refactor: migrate database layer to Prisma ORM

2026-02-07 02:26:00 +08:00
parent 1eb8abb447
commit 2dc6bf16ec
15 changed files with 875 additions and 854 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -75,3 +75,5 @@ dist/

 # NestJS
 .nest-cli.json
+
+/generated/prisma
--- a/.npmrc
+++ b/.npmrc
@@ -1,4 +1,3 @@
-only-built-dependencies[]=better-sqlite3
 only-built-dependencies[]=esbuild
 only-built-dependencies[]=@nestjs/core
 only-built-dependencies[]=unrs-resolver
--- a/package.json
+++ b/package.json
@@ -28,14 +28,15 @@
    "@nestjs/passport": "^11.0.5",
    "@nestjs/platform-express": "^11.1.13",
    "@nestjs/serve-static": "^5.0.4",
+    "@prisma/client": "^6.19.2",
    "bcryptjs": "^3.0.3",
-    "better-sqlite3": "^12.6.2",
    "class-transformer": "^0.5.1",
    "class-validator": "^0.14.3",
    "dotenv": "^17.2.3",
    "jsonwebtoken": "^9.0.2",
    "passport": "^0.7.0",
    "passport-jwt": "^4.0.1",
+    "prisma": "^6.19.2",
    "qrcode": "^1.5.4",
    "reflect-metadata": "^0.2.2",
    "rxjs": "^7.8.2"
@@ -44,7 +45,6 @@
    "@nestjs/cli": "^11.0.0",
    "@nestjs/schematics": "^11.0.0",
    "@nestjs/testing": "^11.1.13",
-    "@types/better-sqlite3": "^7.6.13",
    "@types/express": "^5.0.6",
    "@types/jest": "^30.0.0",
    "@types/jsonwebtoken": "^9.0.10",
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -29,12 +29,12 @@ importers:
      '@nestjs/serve-static':
        specifier: ^5.0.4
        version: 5.0.4(@nestjs/common@11.1.13(class-transformer@0.5.1)(class-validator@0.14.3)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.13)(express@5.2.1)
+      '@prisma/client':
+        specifier: ^6.19.2
+        version: 6.19.2(prisma@6.19.2(typescript@5.9.3))(typescript@5.9.3)
      bcryptjs:
        specifier: ^3.0.3
        version: 3.0.3
-      better-sqlite3:
-        specifier: ^12.6.2
-        version: 12.6.2
      class-transformer:
        specifier: ^0.5.1
        version: 0.5.1
@@ -53,6 +53,9 @@ importers:
      passport-jwt:
        specifier: ^4.0.1
        version: 4.0.1
+      prisma:
+        specifier: ^6.19.2
+        version: 6.19.2(typescript@5.9.3)
      qrcode:
        specifier: ^1.5.4
        version: 1.5.4
@@ -72,9 +75,6 @@ importers:
      '@nestjs/testing':
        specifier: ^11.1.13
        version: 11.1.13(@nestjs/common@11.1.13(class-transformer@0.5.1)(class-validator@0.14.3)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.13)(@nestjs/platform-express@11.1.13)
-      '@types/better-sqlite3':
-        specifier: ^7.6.13
-        version: 7.6.13
      '@types/express':
        specifier: ^5.0.6
        version: 5.0.6
@@ -896,6 +896,36 @@ packages:
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    engines: {node: ^12.20.0 || ^14.18.0 || >=16.0.0}

+  '@prisma/client@6.19.2':
+    resolution: {integrity: sha512-gR2EMvfK/aTxsuooaDA32D8v+us/8AAet+C3J1cc04SW35FPdZYgLF+iN4NDLUgAaUGTKdAB0CYenu1TAgGdMg==}
+    engines: {node: '>=18.18'}
+    peerDependencies:
+      prisma: '*'
+      typescript: '>=5.1.0'
+    peerDependenciesMeta:
+      prisma:
+        optional: true
+      typescript:
+        optional: true
+
+  '@prisma/config@6.19.2':
+    resolution: {integrity: sha512-kadBGDl+aUswv/zZMk9Mx0C8UZs1kjao8H9/JpI4Wh4SHZaM7zkTwiKn/iFLfRg+XtOAo/Z/c6pAYhijKl0nzQ==}
+
+  '@prisma/debug@6.19.2':
+    resolution: {integrity: sha512-lFnEZsLdFLmEVCVNdskLDCL8Uup41GDfU0LUfquw+ercJC8ODTuL0WNKgOKmYxCJVvFwf0OuZBzW99DuWmoH2A==}
+
+  '@prisma/engines-version@7.1.1-3.c2990dca591cba766e3b7ef5d9e8a84796e47ab7':
+    resolution: {integrity: sha512-03bgb1VD5gvuumNf+7fVGBzfpJPjmqV423l/WxsWk2cNQ42JD0/SsFBPhN6z8iAvdHs07/7ei77SKu7aZfq8bA==}
+
+  '@prisma/engines@6.19.2':
+    resolution: {integrity: sha512-TTkJ8r+uk/uqczX40wb+ODG0E0icVsMgwCTyTHXehaEfb0uo80M9g1aW1tEJrxmFHeOZFXdI2sTA1j1AgcHi4A==}
+
+  '@prisma/fetch-engine@6.19.2':
+    resolution: {integrity: sha512-h4Ff4Pho+SR1S8XerMCC12X//oY2bG3Iug/fUnudfcXEUnIeRiBdXHFdGlGOgQ3HqKgosTEhkZMvGM9tWtYC+Q==}
+
+  '@prisma/get-platform@6.19.2':
+    resolution: {integrity: sha512-PGLr06JUSTqIvztJtAzIxOwtWKtJm5WwOG6xpsgD37Rc84FpfUBGLKz65YpJBGtkRQGXTYEFie7pYALocC3MtA==}
+
  '@sinclair/typebox@0.34.48':
    resolution: {integrity: sha512-kKJTNuK3AQOrgjjotVxMrCn1sUJwM76wMszfq1kdU4uYVJjvEWuFQ6HgvLt4Xz3fSmZlTOxJ/Ie13KnIcWQXFA==}

@@ -905,6 +935,9 @@ packages:
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    resolution: {integrity: sha512-36/hTbH2uaWuGVERyC6da9YwGWnzUZXuPro/F2LfsdOsLnCojz/iSH8MxUt/FD2S5XBSVPhmArFUXcpCQ2Hkiw==}

+  '@standard-schema/spec@1.1.0':
+    resolution: {integrity: sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==}
+
  '@tokenizer/inflate@0.4.1':
    resolution: {integrity: sha512-2mAv+8pkG6GIZiF1kNg1jAjh27IDxEPKwdGul3snfztFerfPGI1LjDezZp3i7BElXompqEtPmoPx6c2wgtWsOA==}
    engines: {node: '>=18'}
@@ -939,9 +972,6 @@ packages:
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-  '@types/better-sqlite3@7.6.13':
-    resolution: {integrity: sha512-NMv9ASNARoKksWtsq/SHakpYAYnhBrQgGD8zkLYk/jaK8jUGn08CfEdTRgYhMypUQAfzSP8W6gNLe0q19/t4VA==}
-
  '@types/body-parser@1.19.6':
    resolution: {integrity: sha512-HLFeCYgz89uk22N5Qg3dvGvsv46B8GLvKKo1zKG4NybA8U2DiEO3w9lqGg29t/tfLRJpJ6iQxnVw4OnB7MoM9g==}

@@ -1334,13 +1364,6 @@ packages:
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    hasBin: true

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-    engines: {node: 20.x || 22.x || 23.x || 24.x || 25.x}
-
-  bindings@1.5.0:
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-
  bl@4.1.0:
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@@ -1387,6 +1410,14 @@ packages:
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    engines: {node: '>= 0.8'}

+  c12@3.1.0:
+    resolution: {integrity: sha512-uWoS8OU1MEIsOv8p/5a82c3H31LsWVR5qiyXVfBNOzfffjUWtPnhAb4BYI2uG2HfGmZmFjCtui5XNWaps+iFuw==}
+    peerDependencies:
+      magicast: ^0.3.5
+    peerDependenciesMeta:
+      magicast:
+        optional: true
+
  call-bind-apply-helpers@1.0.2:
    resolution: {integrity: sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==}
    engines: {node: '>= 0.4'}
@@ -1425,9 +1456,6 @@ packages:
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    engines: {node: '>= 14.16.0'}

-  chownr@1.1.4:
-    resolution: {integrity: sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==}
-
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    engines: {node: '>=6.0'}
@@ -1436,6 +1464,12 @@ packages:
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    engines: {node: '>=8'}

+  citty@0.1.6:
+    resolution: {integrity: sha512-tskPPKEs8D2KPafUypv2gxwJP8h/OaJmC82QQGGDQcHvXX43xF2VDACcJVmZ0EuSxkpO9Kc4MlrA3q0+FG58AQ==}
+
+  citty@0.2.0:
+    resolution: {integrity: sha512-8csy5IBFI2ex2hTVpaHN2j+LNE199AgiI7y4dMintrr8i0lQiFn+0AWMZrWdHKIgMOer65f8IThysYhoReqjWA==}
+
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@@ -1511,6 +1545,9 @@ packages:
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    engines: {'0': node >= 6.0}

+  confbox@0.2.4:
+    resolution: {integrity: sha512-ysOGlgTFbN2/Y6Cg3Iye8YKulHw+R2fNXHrgSmXISQdMnomY6eNDprVdW9R5xBguEqI954+S6709UyiO7B+6OQ==}
+
  consola@3.4.2:
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    engines: {node: ^14.18.0 || >=16.10.0}
@@ -1573,10 +1610,6 @@ packages:
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    engines: {node: '>=0.10.0'}

-  decompress-response@6.0.0:
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-    engines: {node: '>=10'}
-
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    peerDependencies:
@@ -1585,9 +1618,9 @@ packages:
      babel-plugin-macros:
        optional: true

-  deep-extend@0.6.0:
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-    engines: {node: '>=4.0.0'}
+  deepmerge-ts@7.1.5:
+    resolution: {integrity: sha512-HOJkrhaYsweh+W+e74Yn7YStZOilkoPb6fycpwNLKzSPtruFs48nYis0zy5yJz1+ktUhHxoRDJ27RQAWLIJVJw==}
+    engines: {node: '>=16.0.0'}

  deepmerge@4.3.1:
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@@ -1596,6 +1629,9 @@ packages:
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+  defu@6.1.4:
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+
  delayed-stream@1.0.0:
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    engines: {node: '>=0.4.0'}
@@ -1604,9 +1640,8 @@ packages:
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    engines: {node: '>= 0.8'}

-  detect-libc@2.1.2:
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-    engines: {node: '>=8'}
+  destr@2.0.5:
+    resolution: {integrity: sha512-ugFTXCtDZunbzasqBxrK93Ik/DRYsO6S/fedkWEMKqt04xZ4csmnmwGDBAb07QWNaGMAmnTIemsYZCksjATwsA==}

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@@ -1651,6 +1686,9 @@ packages:
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+  effect@3.18.4:
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+
  electron-to-chromium@1.5.286:
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@@ -1664,13 +1702,14 @@ packages:
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+  empathic@2.0.0:
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+    engines: {node: '>=14'}
+
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    engines: {node: '>= 0.8'}

-  end-of-stream@1.4.5:
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-
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@@ -1750,10 +1789,6 @@ packages:
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    engines: {node: '>= 0.8.0'}

-  expand-template@2.0.3:
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-    engines: {node: '>=6'}
-
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    engines: {node: ^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0}
@@ -1762,6 +1797,13 @@ packages:
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    engines: {node: '>= 18'}

+  exsolve@1.0.8:
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+
+  fast-check@3.23.2:
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+    engines: {node: '>=8.0.0'}
+
  fast-deep-equal@3.1.3:
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-  file-uri-to-path@1.0.0:
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-
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@@ -1823,9 +1862,6 @@ packages:
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-
  fs-extra@10.1.0:
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    engines: {node: '>=12'}
@@ -1871,8 +1907,9 @@ packages:
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-  github-from-package@0.0.0:
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+  giget@2.0.0:
+    resolution: {integrity: sha512-L5bGsVkxJbJgdnwyuheIunkGatUF/zssUoxxjACCseZYAVbaqdh9Tsmmlkl8vYan09H7sbvKt4pS8GqKLBrEzA==}
+    hasBin: true

  glob-to-regexp@0.4.1:
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@@ -1956,9 +1993,6 @@ packages:
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-  ini@1.3.8:
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-
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    engines: {node: '>= 0.10'}
@@ -2155,6 +2189,10 @@ packages:
      node-notifier:
        optional: true

+  jiti@2.6.1:
+    resolution: {integrity: sha512-ekilCSN1jwRvIbgeg/57YFh8qQDNbwDb9xT/qu2DAHbFFZUicIl4ygVaAvzveMhMVr3LnpSKTNnwt8PoOfmKhQ==}
+    hasBin: true
+
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@@ -2333,10 +2371,6 @@ packages:
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    engines: {node: '>=6'}

-  mimic-response@3.1.0:
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-    engines: {node: '>=10'}
-
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    engines: {node: 20 || >=22}
@@ -2355,9 +2389,6 @@ packages:
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    engines: {node: '>=16 || 14 >=14.17'}

-  mkdirp-classic@0.5.3:
-    resolution: {integrity: sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==}
-
  mkdirp@0.5.6:
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    hasBin: true
@@ -2373,9 +2404,6 @@ packages:
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    engines: {node: ^18.17.0 || >=20.5.0}

-  napi-build-utils@2.0.0:
-    resolution: {integrity: sha512-GEbrYkbfF7MoNaoh2iGG84Mnf/WZfB0GdGEsM8wz7Expx/LlWf5U8t9nvJKXSp3qr5IsEbK04cBGhol/KwOsWA==}
-
  napi-postinstall@0.3.4:
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    engines: {node: ^12.20.0 || ^14.18.0 || >=16.0.0}
@@ -2391,16 +2419,15 @@ packages:
  neo-async@2.6.2:
    resolution: {integrity: sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==}

-  node-abi@3.87.0:
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-    engines: {node: '>=10'}
-
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+  node-fetch-native@1.6.7:
+    resolution: {integrity: sha512-g9yhqoedzIUm0nTnTqAQvueMPVOuIY16bqgAJJC8XOOubYFNwz6IER9qs0Gq2Xd0+CecCKFjtdDTMA4u4xG06Q==}
+
  node-int64@0.4.0:
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@@ -2415,6 +2442,11 @@ packages:
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    engines: {node: '>=8'}

+  nypm@0.6.5:
+    resolution: {integrity: sha512-K6AJy1GMVyfyMXRVB88700BJqNUkByijGJM8kEHpLdcAt+vSQAVfkWWHYzuRXHSY6xA2sNc5RjTj0p9rE2izVQ==}
+    engines: {node: '>=18'}
+    hasBin: true
+
  object-assign@4.1.1:
    resolution: {integrity: sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==}
    engines: {node: '>=0.10.0'}
@@ -2423,6 +2455,9 @@ packages:
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    engines: {node: '>= 0.4'}

+  ohash@2.0.11:
+    resolution: {integrity: sha512-RdR9FQrFwNBNXAr4GixM8YaRZRJ5PUWbKYbE5eOsrwAjJW0q2REGcf79oYPsLyskQCZG1PLN+S/K1V00joZAoQ==}
+
  on-finished@2.4.1:
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    engines: {node: '>= 0.8'}
@@ -2507,9 +2542,15 @@ packages:
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    engines: {node: '>=8'}

+  pathe@2.0.3:
+    resolution: {integrity: sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==}
+
  pause@0.0.1:
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+  perfect-debounce@1.0.0:
+    resolution: {integrity: sha512-xCy9V055GLEqoFaHoC1SoLIaLmWctgCUaBaWxDZ7/Zx4CTyX7cJQLJOok/orfjZAh9kEYpjJa4d0KcJmCbctZA==}
+
  picocolors@1.1.1:
    resolution: {integrity: sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==}

@@ -2533,6 +2574,9 @@ packages:
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    engines: {node: '>=8'}

+  pkg-types@2.3.0:
+    resolution: {integrity: sha512-SIqCzDRg0s9npO5XQ3tNZioRY1uK06lA41ynBC1YmFTmnY6FjUjVt6s4LoADmwoig1qqD0oK8h1p/8mlMx8Oig==}
+
  pluralize@8.0.0:
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    engines: {node: '>=4'}
@@ -2541,11 +2585,6 @@ packages:
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    engines: {node: '>=10.13.0'}

-  prebuild-install@7.1.3:
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-    engines: {node: '>=10'}
-    hasBin: true
-
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    engines: {node: '>=14'}
@@ -2555,17 +2594,27 @@ packages:
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    engines: {node: ^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0}

+  prisma@6.19.2:
+    resolution: {integrity: sha512-XTKeKxtQElcq3U9/jHyxSPgiRgeYDKxWTPOf6NkXA0dNj5j40MfEsZkMbyNpwDWCUv7YBFUl7I2VK/6ALbmhEg==}
+    engines: {node: '>=18.18'}
+    hasBin: true
+    peerDependencies:
+      typescript: '>=5.1.0'
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
  proxy-addr@2.0.7:
    resolution: {integrity: sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==}
    engines: {node: '>= 0.10'}

-  pump@3.0.3:
-    resolution: {integrity: sha512-todwxLMY7/heScKmntwQG8CXVkWUOdYxIvY2s0VWAAMh/nd8SoYiRaKjlr7+iCs984f2P8zvrfWcDDYVb73NfA==}
-
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    engines: {node: '>=6'}

+  pure-rand@6.1.0:
+    resolution: {integrity: sha512-bVWawvoZoBYpp6yIoQtQXHZjmz35RSVHnUOTefl8Vcjr8snTPY1wnpSPMWekcFwbxI6gtmT7rSYPFvz71ldiOA==}
+
  pure-rand@7.0.1:
    resolution: {integrity: sha512-oTUZM/NAZS8p7ANR3SHh30kXB+zK2r2BPcEn/awJIbOvq82WoMN4p62AWWp3Hhw50G0xMsw1mhIBLqHw64EcNQ==}

@@ -2589,9 +2638,8 @@ packages:
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    engines: {node: '>= 0.10'}

-  rc@1.2.8:
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-    hasBin: true
+  rc9@2.1.2:
+    resolution: {integrity: sha512-btXCnMmRIBINM2LDZoEmOogIZU7Qe7zn4BpomSKZ/ykbLObuBdvG+mFq11DL6fjH1DRwHhrlgtYWG96bJiC7Cg==}

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@@ -2718,12 +2766,6 @@ packages:
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    engines: {node: '>=14'}

-  simple-concat@1.0.1:
-    resolution: {integrity: sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q==}
-
-  simple-get@4.0.1:
-    resolution: {integrity: sha512-brv7p5WgH0jmQJr1ZDDfKDOSeWWg+OVypG99A/5vYGPqJ6pxiaHLy8nxtFjBA7oMa01ebA9gfh1uMCFqOuXxvA==}
-
  slash@3.0.0:
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    engines: {node: '>=8'}
@@ -2796,10 +2838,6 @@ packages:
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    engines: {node: '>=6'}

-  strip-json-comments@2.0.1:
-    resolution: {integrity: sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==}
-    engines: {node: '>=0.10.0'}
-
  strip-json-comments@3.1.1:
    resolution: {integrity: sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==}
    engines: {node: '>=8'}
@@ -2836,13 +2874,6 @@ packages:
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    engines: {node: '>=6'}

-  tar-fs@2.1.4:
-    resolution: {integrity: sha512-mDAjwmZdh7LTT6pNleZ05Yt65HC3E+NiQzl672vQG38jIrehtJk/J3mNwIg+vShQPcLF/LV7CMnDW6vjj6sfYQ==}
-
-  tar-stream@2.2.0:
-    resolution: {integrity: sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==}
-    engines: {node: '>=6'}
-
  terser-webpack-plugin@5.3.16:
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    engines: {node: '>= 10.13.0'}
@@ -2868,6 +2899,10 @@ packages:
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    engines: {node: '>=8'}

+  tinyexec@1.0.2:
+    resolution: {integrity: sha512-W/KYk+NFhkmsYpuHq5JykngiOCnxeVL8v8dFnqxSD8qEEdRfXk1SDM6JzNqcERbcGYj9tMrDQBYV9cjgnunFIg==}
+    engines: {node: '>=18'}
+
  tmpl@1.0.5:
    resolution: {integrity: sha512-3f0uOEAQwIqGuWW2MVzYg8fV/QNnc/IpuJNG837rLuczAaLVHslWHZQj4IGiEl5Hs3kkbhwL9Ab7Hrsmuj+Smw==}

@@ -2947,9 +2982,6 @@ packages:
    engines: {node: '>=18.0.0'}
    hasBin: true

-  tunnel-agent@0.6.0:
-    resolution: {integrity: sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==}
-
  type-detect@4.0.8:
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    engines: {node: '>=4'}
@@ -3994,6 +4026,41 @@ snapshots:

  '@pkgr/core@0.2.9': {}

+  '@prisma/client@6.19.2(prisma@6.19.2(typescript@5.9.3))(typescript@5.9.3)':
+    optionalDependencies:
+      prisma: 6.19.2(typescript@5.9.3)
+      typescript: 5.9.3
+
+  '@prisma/config@6.19.2':
+    dependencies:
+      c12: 3.1.0
+      deepmerge-ts: 7.1.5
+      effect: 3.18.4
+      empathic: 2.0.0
+    transitivePeerDependencies:
+      - magicast
+
+  '@prisma/debug@6.19.2': {}
+
+  '@prisma/engines-version@7.1.1-3.c2990dca591cba766e3b7ef5d9e8a84796e47ab7': {}
+
+  '@prisma/engines@6.19.2':
+    dependencies:
+      '@prisma/debug': 6.19.2
+      '@prisma/engines-version': 7.1.1-3.c2990dca591cba766e3b7ef5d9e8a84796e47ab7
+      '@prisma/fetch-engine': 6.19.2
+      '@prisma/get-platform': 6.19.2
+
+  '@prisma/fetch-engine@6.19.2':
+    dependencies:
+      '@prisma/debug': 6.19.2
+      '@prisma/engines-version': 7.1.1-3.c2990dca591cba766e3b7ef5d9e8a84796e47ab7
+      '@prisma/get-platform': 6.19.2
+
+  '@prisma/get-platform@6.19.2':
+    dependencies:
+      '@prisma/debug': 6.19.2
+
  '@sinclair/typebox@0.34.48': {}

  '@sinonjs/commons@3.0.1':
@@ -4004,6 +4071,8 @@ snapshots:
    dependencies:
      '@sinonjs/commons': 3.0.1

+  '@standard-schema/spec@1.1.0': {}
+
  '@tokenizer/inflate@0.4.1':
    dependencies:
      debug: 4.4.3
@@ -4047,10 +4116,6 @@ snapshots:
    dependencies:
      '@babel/types': 7.29.0

-  '@types/better-sqlite3@7.6.13':
-    dependencies:
-      '@types/node': 25.2.1
-
  '@types/body-parser@1.19.6':
    dependencies:
      '@types/connect': 3.4.38
@@ -4460,15 +4525,6 @@ snapshots:

  bcryptjs@3.0.3: {}

-  better-sqlite3@12.6.2:
-    dependencies:
-      bindings: 1.5.0
-      prebuild-install: 7.1.3
-
-  bindings@1.5.0:
-    dependencies:
-      file-uri-to-path: 1.0.0
-
  bl@4.1.0:
    dependencies:
      buffer: 5.7.1
@@ -4533,6 +4589,21 @@ snapshots:

  bytes@3.1.2: {}

+  c12@3.1.0:
+    dependencies:
+      chokidar: 4.0.3
+      confbox: 0.2.4
+      defu: 6.1.4
+      dotenv: 16.6.1
+      exsolve: 1.0.8
+      giget: 2.0.0
+      jiti: 2.6.1
+      ohash: 2.0.11
+      pathe: 2.0.3
+      perfect-debounce: 1.0.0
+      pkg-types: 2.3.0
+      rc9: 2.1.2
+
  call-bind-apply-helpers@1.0.2:
    dependencies:
      es-errors: 1.3.0
@@ -4564,12 +4635,16 @@ snapshots:
    dependencies:
      readdirp: 4.1.2

-  chownr@1.1.4: {}
-
  chrome-trace-event@1.0.4: {}

  ci-info@4.4.0: {}

+  citty@0.1.6:
+    dependencies:
+      consola: 3.4.2
+
+  citty@0.2.0: {}
+
  cjs-module-lexer@2.2.0: {}

  class-transformer@0.5.1: {}
@@ -4643,6 +4718,8 @@ snapshots:
      readable-stream: 3.6.2
      typedarray: 0.0.6

+  confbox@0.2.4: {}
+
  consola@3.4.2: {}

  content-disposition@1.0.1: {}
@@ -4687,13 +4764,9 @@ snapshots:

  decamelize@1.2.0: {}

-  decompress-response@6.0.0:
-    dependencies:
-      mimic-response: 3.1.0
-
  dedent@1.7.1: {}

-  deep-extend@0.6.0: {}
+  deepmerge-ts@7.1.5: {}

  deepmerge@4.3.1: {}

@@ -4701,11 +4774,13 @@ snapshots:
    dependencies:
      clone: 1.0.4

+  defu@6.1.4: {}
+
  delayed-stream@1.0.0: {}

  depd@2.0.0: {}

-  detect-libc@2.1.2: {}
+  destr@2.0.5: {}

  detect-newline@3.1.0: {}

@@ -4742,6 +4817,11 @@ snapshots:

  ee-first@1.1.1: {}

+  effect@3.18.4:
+    dependencies:
+      '@standard-schema/spec': 1.1.0
+      fast-check: 3.23.2
+
  electron-to-chromium@1.5.286: {}

  emittery@0.13.1: {}
@@ -4750,11 +4830,9 @@ snapshots:

  emoji-regex@9.2.2: {}

-  encodeurl@2.0.0: {}
+  empathic@2.0.0: {}

-  end-of-stream@1.4.5:
-    dependencies:
-      once: 1.4.0
+  encodeurl@2.0.0: {}

  enhanced-resolve@5.19.0:
    dependencies:
@@ -4850,8 +4928,6 @@ snapshots:

  exit-x@0.2.2: {}

-  expand-template@2.0.3: {}
-
  expect@30.2.0:
    dependencies:
      '@jest/expect-utils': 30.2.0
@@ -4894,6 +4970,12 @@ snapshots:
    transitivePeerDependencies:
      - supports-color

+  exsolve@1.0.8: {}
+
+  fast-check@3.23.2:
+    dependencies:
+      pure-rand: 6.1.0
+
  fast-deep-equal@3.1.3: {}

  fast-json-stable-stringify@2.1.0: {}
@@ -4915,8 +4997,6 @@ snapshots:
    transitivePeerDependencies:
      - supports-color

-  file-uri-to-path@1.0.0: {}
-
  fill-range@7.1.1:
    dependencies:
      to-regex-range: 5.0.1
@@ -4977,8 +5057,6 @@ snapshots:

  fresh@2.0.0: {}

-  fs-constants@1.0.0: {}
-
  fs-extra@10.1.0:
    dependencies:
      graceful-fs: 4.2.11
@@ -5024,7 +5102,14 @@ snapshots:
    dependencies:
      resolve-pkg-maps: 1.0.0

-  github-from-package@0.0.0: {}
+  giget@2.0.0:
+    dependencies:
+      citty: 0.1.6
+      consola: 3.4.2
+      defu: 6.1.4
+      node-fetch-native: 1.6.7
+      nypm: 0.6.5
+      pathe: 2.0.3

  glob-to-regexp@0.4.1: {}

@@ -5114,8 +5199,6 @@ snapshots:

  inherits@2.0.4: {}

-  ini@1.3.8: {}
-
  ipaddr.js@1.9.1: {}

  is-arrayish@0.2.1: {}
@@ -5493,6 +5576,8 @@ snapshots:
      - supports-color
      - ts-node

+  jiti@2.6.1: {}
+
  js-tokens@4.0.0: {}

  js-yaml@3.14.2:
@@ -5642,8 +5727,6 @@ snapshots:

  mimic-fn@2.1.0: {}

-  mimic-response@3.1.0: {}
-
  minimatch@10.1.2:
    dependencies:
      '@isaacs/brace-expansion': 5.0.1
@@ -5660,8 +5743,6 @@ snapshots:

  minipass@7.1.2: {}

-  mkdirp-classic@0.5.3: {}
-
  mkdirp@0.5.6:
    dependencies:
      minimist: 1.2.8
@@ -5680,8 +5761,6 @@ snapshots:

  mute-stream@2.0.0: {}

-  napi-build-utils@2.0.0: {}
-
  napi-postinstall@0.3.4: {}

  natural-compare@1.4.0: {}
@@ -5690,16 +5769,14 @@ snapshots:

  neo-async@2.6.2: {}

-  node-abi@3.87.0:
-    dependencies:
-      semver: 7.7.4
-
  node-abort-controller@3.1.1: {}

  node-emoji@1.11.0:
    dependencies:
      lodash: 4.17.23

+  node-fetch-native@1.6.7: {}
+
  node-int64@0.4.0: {}

  node-releases@2.0.27: {}
@@ -5710,10 +5787,18 @@ snapshots:
    dependencies:
      path-key: 3.1.1

+  nypm@0.6.5:
+    dependencies:
+      citty: 0.2.0
+      pathe: 2.0.3
+      tinyexec: 1.0.2
+
  object-assign@4.1.1: {}

  object-inspect@1.13.4: {}

+  ohash@2.0.11: {}
+
  on-finished@2.4.1:
    dependencies:
      ee-first: 1.1.1
@@ -5800,8 +5885,12 @@ snapshots:

  path-type@4.0.0: {}

+  pathe@2.0.3: {}
+
  pause@0.0.1: {}

+  perfect-debounce@1.0.0: {}
+
  picocolors@1.1.1: {}

  picomatch@2.3.1: {}
@@ -5816,25 +5905,16 @@ snapshots:
    dependencies:
      find-up: 4.1.0

+  pkg-types@2.3.0:
+    dependencies:
+      confbox: 0.2.4
+      exsolve: 1.0.8
+      pathe: 2.0.3
+
  pluralize@8.0.0: {}

  pngjs@5.0.0: {}

-  prebuild-install@7.1.3:
-    dependencies:
-      detect-libc: 2.1.2
-      expand-template: 2.0.3
-      github-from-package: 0.0.0
-      minimist: 1.2.8
-      mkdirp-classic: 0.5.3
-      napi-build-utils: 2.0.0
-      node-abi: 3.87.0
-      pump: 3.0.3
-      rc: 1.2.8
-      simple-get: 4.0.1
-      tar-fs: 2.1.4
-      tunnel-agent: 0.6.0
-
  prettier@3.8.1: {}

  pretty-format@30.2.0:
@@ -5843,18 +5923,24 @@ snapshots:
      ansi-styles: 5.2.0
      react-is: 18.3.1

+  prisma@6.19.2(typescript@5.9.3):
+    dependencies:
+      '@prisma/config': 6.19.2
+      '@prisma/engines': 6.19.2
+    optionalDependencies:
+      typescript: 5.9.3
+    transitivePeerDependencies:
+      - magicast
+
  proxy-addr@2.0.7:
    dependencies:
      forwarded: 0.2.0
      ipaddr.js: 1.9.1

-  pump@3.0.3:
-    dependencies:
-      end-of-stream: 1.4.5
-      once: 1.4.0
-
  punycode@2.3.1: {}

+  pure-rand@6.1.0: {}
+
  pure-rand@7.0.1: {}

  qrcode@1.5.4:
@@ -5880,12 +5966,10 @@ snapshots:
      iconv-lite: 0.7.2
      unpipe: 1.0.0

-  rc@1.2.8:
+  rc9@2.1.2:
    dependencies:
-      deep-extend: 0.6.0
-      ini: 1.3.8
-      minimist: 1.2.8
-      strip-json-comments: 2.0.1
+      defu: 6.1.4
+      destr: 2.0.5

  react-is@18.3.1: {}

@@ -6030,14 +6114,6 @@ snapshots:

  signal-exit@4.1.0: {}

-  simple-concat@1.0.1: {}
-
-  simple-get@4.0.1:
-    dependencies:
-      decompress-response: 6.0.0
-      once: 1.4.0
-      simple-concat: 1.0.1
-
  slash@3.0.0: {}

  source-map-support@0.5.13:
@@ -6101,8 +6177,6 @@ snapshots:

  strip-final-newline@2.0.0: {}

-  strip-json-comments@2.0.1: {}
-
  strip-json-comments@3.1.1: {}

  strtok3@10.3.4:
@@ -6147,21 +6221,6 @@ snapshots:

  tapable@2.3.0: {}

-  tar-fs@2.1.4:
-    dependencies:
-      chownr: 1.1.4
-      mkdirp-classic: 0.5.3
-      pump: 3.0.3
-      tar-stream: 2.2.0
-
-  tar-stream@2.2.0:
-    dependencies:
-      bl: 4.1.0
-      end-of-stream: 1.4.5
-      fs-constants: 1.0.0
-      inherits: 2.0.4
-      readable-stream: 3.6.2
-
  terser-webpack-plugin@5.3.16(webpack@5.104.1):
    dependencies:
      '@jridgewell/trace-mapping': 0.3.31
@@ -6184,6 +6243,8 @@ snapshots:
      glob: 7.2.3
      minimatch: 3.1.2

+  tinyexec@1.0.2: {}
+
  tmpl@1.0.5: {}

  to-regex-range@5.0.1:
@@ -6268,10 +6329,6 @@ snapshots:
    optionalDependencies:
      fsevents: 2.3.3

-  tunnel-agent@0.6.0:
-    dependencies:
-      safe-buffer: 5.2.1
-
  type-detect@4.0.8: {}

  type-fest@0.21.3: {}
--- a/prisma.config.ts
+++ b/prisma.config.ts
@@ -0,0 +1,15 @@
+import "dotenv/config";
+import { defineConfig } from "prisma/config";
+import path from "path";
+
+export default defineConfig({
+  schema: "prisma/schema.prisma",
+  migrations: {
+    path: "prisma/migrations",
+  },
+  datasource: {
+    url:
+      process.env["DATABASE_URL"] ||
+      "file:" + path.join(process.cwd(), "data/database.sqlite"),
+  },
+});
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -0,0 +1,42 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id        Int      @id @default(autoincrement())
+  username  String   @unique
+  password  String
+  name      String
+  email     String?
+  role      String   @default("user")
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+  serials   Serial[]
+}
+
+model Company {
+  id          Int      @id @default(autoincrement())
+  companyName String   @unique
+  isActive    Boolean  @default(true)
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+  serials     Serial[]
+}
+
+model Serial {
+  id          Int      @id @default(autoincrement())
+  serialNumber String  @unique
+  companyName String
+  validUntil  DateTime?
+  isActive    Boolean  @default(true)
+  createdBy   Int?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+  user        User?    @relation(fields: [createdBy], references: [id])
+  company     Company? @relation(fields: [companyName], references: [companyName])
+}
--- a/scripts/init-db.ts
+++ b/scripts/init-db.ts
@@ -1,91 +1,44 @@
-import Database from 'better-sqlite3';
-import bcrypt from 'bcryptjs';
-import path from 'path';
-import fs from 'fs';
+import { PrismaClient } from "@prisma/client";
+import bcrypt from "bcryptjs";

-const dbPath = path.join(process.cwd(), 'data/database.sqlite');
-const dbDir = path.dirname(dbPath);
-
-if (!fs.existsSync(dbDir)) {
-  fs.mkdirSync(dbDir, { recursive: true });
-}
-
-const db = new Database(dbPath, { verbose: console.log });
-
-const createTables = (): void => {
-  db.exec(`
-    CREATE TABLE IF NOT EXISTS users (
-      id INTEGER PRIMARY KEY AUTOINCREMENT,
-      username TEXT UNIQUE NOT NULL,
-      password TEXT NOT NULL,
-      name TEXT NOT NULL,
-      email TEXT,
-      role TEXT DEFAULT 'user',
-      created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-      updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
-    )
-  `);
-
-  db.exec(`
-    CREATE TABLE IF NOT EXISTS companies (
-      id INTEGER PRIMARY KEY AUTOINCREMENT,
-      company_name TEXT UNIQUE NOT NULL,
-      is_active BOOLEAN BOOLEAN DEFAULT 1,
-      created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-      updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
-    )
-  `);
-
-  db.exec(`
-    CREATE TABLE IF NOT EXISTS serials (
-      id INTEGER PRIMARY KEY AUTOINCREMENT,
-      serial_number TEXT UNIQUE NOT NULL,
-      company_name TEXT NOT NULL,
-      valid_until DATETIME,
-      is_active BOOLEAN DEFAULT 1,
-      created_by INTEGER,
-      created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-      updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-      FOREIGN KEY (created_by) REFERENCES users (id),
-      FOREIGN KEY (company_name) REFERENCES companies (company_name)
-    )
-  `);
-
-  db.exec('CREATE INDEX IF NOT EXISTS idx_company_name_companies ON companies (company_name)');
-  db.exec('CREATE INDEX IF NOT EXISTS idx_serial_number ON serials (serial_number)');
-  db.exec('CREATE INDEX IF NOT EXISTS idx_company_name_serials ON serials (company_name)');
-  db.exec('CREATE INDEX IF NOT EXISTS idx_created_by ON serials (created_by)');
-
-  console.log('数据库表创建完成');
-};
+const prisma = new PrismaClient({
+  log: ["query", "error", "warn"],
+});

 const createDefaultUser = async (): Promise<void> => {
-  const username = 'admin';
-  const password = 'Beifan@2026';
-  const name = '系统管理员';
+  const username = "admin";
+  const password = "Beifan@2026";
+  const name = "系统管理员";

-  const user = db.prepare('SELECT * FROM users WHERE username = ?').get(username);
+  const user = await prisma.user.findUnique({
+    where: { username },
+  });

  if (!user) {
    const hashedPassword = await bcrypt.hash(password, 10);

-    db.prepare(
-      'INSERT INTO users (username, password, name, email, role) VALUES (?, ?, ?, ?, ?)'
-    ).run(username, hashedPassword, name, 'admin@example.com', 'admin');
+    await prisma.user.create({
+      data: {
+        username,
+        password: hashedPassword,
+        name,
+        email: "admin@example.com",
+        role: "admin",
+      },
+    });

-    console.log('默认管理员用户创建完成:');
-    console.log('用户名:', username);
-    console.log('密码:', password);
+    console.log("默认管理员用户创建完成:");
+    console.log("用户名:", username);
+    console.log("密码:", password);
  } else {
-    console.log('默认管理员用户已存在');
+    console.log("默认管理员用户已存在");
  }
 };

 const initDatabase = async (): Promise<void> => {
-  createTables();
  await createDefaultUser();
-  db.close();
-  console.log('数据库连接已关闭');
+  await prisma.$disconnect();
+  console.log("数据库连接已关闭");
 };

 initDatabase();
--- a/src/auth/auth.guard.ts
+++ b/src/auth/auth.guard.ts
@@ -1,7 +1,12 @@
-import { Injectable, CanActivate, ExecutionContext, UnauthorizedException } from '@nestjs/common';
-import { JwtService } from '@nestjs/jwt';
-import { DatabaseService } from '../database/database.service';
-import { AuthUser } from '../types';
+import {
+  Injectable,
+  CanActivate,
+  ExecutionContext,
+  UnauthorizedException,
+} from "@nestjs/common";
+import { JwtService } from "@nestjs/jwt";
+import { DatabaseService } from "../database/database.service";
+import { AuthUser } from "../types";

@Injectable()
 export class AuthGuard implements CanActivate {
@@ -12,32 +17,42 @@ export class AuthGuard implements CanActivate {

  async canActivate(context: ExecutionContext): Promise<boolean> {
    const request = context.switchToHttp().getRequest();
-    const authHeader = request.headers['authorization'];
-    const token = authHeader && authHeader.split(' ')[1];
+    const authHeader = request.headers["authorization"];
+    const token = authHeader && authHeader.split(" ")[1];

    if (!token) {
-      throw new UnauthorizedException('访问令牌缺失');
+      throw new UnauthorizedException("访问令牌缺失");
    }

    try {
-      const decoded = this.jwtService.verify(token) as { userId: number; username: string; role: string };
+      const decoded = this.jwtService.verify(token) as {
+        userId: number;
+        username: string;
+        role: string;
+      };

-      const user = await this.dbService.get<AuthUser>(
-        'SELECT id, username, name, role FROM users WHERE id = ?',
-        [decoded.userId]
-      );
+      const prisma = this.dbService.getPrisma();
+      const user = await prisma.user.findUnique({
+        where: { id: decoded.userId },
+        select: {
+          id: true,
+          username: true,
+          name: true,
+          role: true,
+        },
+      });

      if (!user) {
-        throw new UnauthorizedException('用户不存在');
+        throw new UnauthorizedException("用户不存在");
      }

-      request.user = user;
+      request.user = user as AuthUser;
      return true;
    } catch (error) {
-      if (error.name === 'TokenExpiredError') {
-        throw new UnauthorizedException('令牌已过期');
+      if (error.name === "TokenExpiredError") {
+        throw new UnauthorizedException("令牌已过期");
      }
-      throw new UnauthorizedException('无效的令牌');
+      throw new UnauthorizedException("无效的令牌");
    }
  }
 }
--- a/src/auth/auth.service.ts
+++ b/src/auth/auth.service.ts
@@ -1,8 +1,8 @@
-import { Injectable, UnauthorizedException } from '@nestjs/common';
-import { JwtService } from '@nestjs/jwt';
-import * as bcrypt from 'bcryptjs';
-import { DatabaseService } from '../database/database.service';
-import { User, AuthUser } from '../types';
+import { Injectable, UnauthorizedException } from "@nestjs/common";
+import { JwtService } from "@nestjs/jwt";
+import * as bcrypt from "bcryptjs";
+import { DatabaseService } from "../database/database.service";
+import { User, AuthUser } from "../types";

@Injectable()
 export class AuthService {
@@ -12,23 +12,30 @@ export class AuthService {
  ) {}

  async validateUser(username: string, password: string) {
-    const user = await this.dbService.get<User>('SELECT * FROM users WHERE username = ?', [username]);
+    const prisma = this.dbService.getPrisma();
+    const user = await prisma.user.findUnique({
+      where: { username },
+    });

    if (!user) {
-      throw new UnauthorizedException('用户名或密码错误');
+      throw new UnauthorizedException("用户名或密码错误");
    }

    const isValidPassword = await bcrypt.compare(password, user.password);

    if (!isValidPassword) {
-      throw new UnauthorizedException('用户名或密码错误');
+      throw new UnauthorizedException("用户名或密码错误");
    }

-    return user;
+    return user as User;
  }

  async login(user: User) {
-    const payload = { userId: user.id, username: user.username, role: user.role };
+    const payload = {
+      userId: user.id,
+      username: user.username,
+      role: user.role,
+    };
    const token = this.jwtService.sign(payload);

    return {
@@ -39,74 +46,81 @@ export class AuthService {
        name: user.name,
        email: user.email,
        role: user.role,
-        createdAt: user.created_at,
+        createdAt: user.createdAt,
      },
    };
  }

  async getProfile(userId: number) {
-    const user = await this.dbService.get<User>(
-      'SELECT id, username, name, email, role, created_at FROM users WHERE id = ?',
-      [userId],
+    const prisma = this.dbService.getPrisma();
+    const user = await prisma.user.findUnique({
+      where: { id: userId },
+      select: {
+        id: true,
+        username: true,
+        name: true,
+        email: true,
+        role: true,
+        createdAt: true,
+      },
+    });
+
+    if (!user) {
+      throw new UnauthorizedException("用户不存在");
+    }
+
+    return user;
+  }
+
+  async changePassword(
+    userId: number,
+    currentPassword: string,
+    newPassword: string,
+  ) {
+    const prisma = this.dbService.getPrisma();
+    const user = await prisma.user.findUnique({
+      where: { id: userId },
+      select: { password: true },
+    });
+
+    if (!user) {
+      throw new UnauthorizedException("用户不存在");
+    }
+
+    const isValidPassword = await bcrypt.compare(
+      currentPassword,
+      user.password,
    );

-    if (!user) {
-      throw new UnauthorizedException('用户不存在');
-    }
-
-    return {
-      id: user.id,
-      username: user.username,
-      name: user.name,
-      email: user.email,
-      role: user.role,
-      createdAt: user.created_at,
-    };
-  }
-
-  async changePassword(userId: number, currentPassword: string, newPassword: string) {
-    const user = await this.dbService.get<Pick<User, 'password'>>('SELECT password FROM users WHERE id = ?', [
-      userId,
-    ]);
-
-    if (!user) {
-      throw new UnauthorizedException('用户不存在');
-    }
-
-    const isValidPassword = await bcrypt.compare(currentPassword, user.password);
-
    if (!isValidPassword) {
-      throw new UnauthorizedException('当前密码错误');
+      throw new UnauthorizedException("当前密码错误");
    }

    const hashedPassword = await bcrypt.hash(newPassword, 10);

-    await this.dbService.run('UPDATE users SET password = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?', [
-      hashedPassword,
-      userId,
-    ]);
+    await prisma.user.update({
+      where: { id: userId },
+      data: { password: hashedPassword },
+    });

-    return { message: '密码修改成功' };
+    return { message: "密码修改成功" };
  }

  async updateProfile(userId: number, name: string, email: string | null) {
-    await this.dbService.run(
-      'UPDATE users SET name = ?, email = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?',
-      [name, email, userId],
-    );
+    const prisma = this.dbService.getPrisma();
+    const updatedUser = await prisma.user.update({
+      where: { id: userId },
+      data: { name, email },
+      select: {
+        id: true,
+        username: true,
+        name: true,
+        email: true,
+        role: true,
+        createdAt: true,
+      },
+    });

-    const updatedUser = await this.dbService.get<User>(
-      'SELECT id, username, name, email, role, created_at FROM users WHERE id = ?',
-      [userId],
-    );
-
-    return {
-      id: updatedUser!.id,
-      username: updatedUser!.username,
-      name: updatedUser!.name,
-      email: updatedUser!.email,
-      role: updatedUser!.role,
-      createdAt: updatedUser!.created_at,
-    };
+    return updatedUser;
  }
 }
--- a/src/companies/companies.service.ts
+++ b/src/companies/companies.service.ts
@@ -1,313 +1,324 @@
-import { Injectable } from '@nestjs/common';
-import { DatabaseService } from '../database/database.service';
+import { Injectable } from "@nestjs/common";
+import { DatabaseService } from "../database/database.service";

@Injectable()
 export class CompaniesService {
  constructor(private dbService: DatabaseService) {}

  async findAll(page: number, limit: number, search: string) {
+    const prisma = this.dbService.getPrisma();
    const offset = (page - 1) * limit;

-    let query = `SELECT c.company_name, c.created_at as first_created, c.updated_at as last_created, c.is_active, (SELECT COUNT(*) FROM serials s WHERE s.company_name = c.company_name) as serial_count, (SELECT COUNT(*) FROM serials s WHERE s.company_name = c.company_name AND s.is_active = 1) as active_count FROM companies c`;
-    let countQuery = 'SELECT COUNT(*) as total FROM companies';
-    let params: any[] = [];
-
-    if (search) {
-      query += ' WHERE c.company_name LIKE ?';
-      countQuery += ' WHERE company_name LIKE ?';
-      params.push(`%${search}%`);
+    const where = search
+      ? {
+          companyName: { contains: search },
        }
+      : undefined;

-    query += ' ORDER BY c.updated_at DESC LIMIT ? OFFSET ?';
-    params.push(parseInt(limit.toString()), parseInt(offset.toString()));
-
-    const [companies, countResult] = await Promise.all([
-      this.dbService.all(query, params),
-      this.dbService.get<{ total: number }>(countQuery, params.slice(0, -2))
+    const [companies, total] = await Promise.all([
+      prisma.company.findMany({
+        where,
+        include: {
+          serials: true,
+        },
+        orderBy: { updatedAt: "desc" },
+        skip: offset,
+        take: limit,
+      }),
+      prisma.company.count({ where }),
    ]);

-    const total = countResult?.total || 0;
    const totalPages = Math.ceil(total / limit);

    return {
-      message: '获取企业列表成功',
+      message: "获取企业列表成功",
      data: companies.map((company: any) => ({
-        companyName: company.company_name,
-        firstCreated: company.first_created,
-        lastCreated: company.last_created,
-        serialCount: company.serial_count,
-        activeCount: company.active_count,
-        status: company.is_active ? 'active' : 'disabled'
+        companyName: company.companyName,
+        firstCreated: company.createdAt,
+        lastCreated: company.updatedAt,
+        serialCount: company.serials.length,
+        activeCount: company.serials.filter((s: any) => s.isActive).length,
+        status: company.isActive ? "active" : "disabled",
      })),
      pagination: {
        page: parseInt(page.toString()),
        limit: parseInt(limit.toString()),
        total,
-        totalPages
-      }
+        totalPages,
+      },
    };
  }

  async findOne(companyName: string, page: number, limit: number) {
+    const prisma = this.dbService.getPrisma();
    const offset = (page - 1) * limit;

-    const companyInfo = await this.dbService.get('SELECT * FROM companies WHERE company_name = ?', [companyName]);
+    const company = await prisma.company.findUnique({
+      where: { companyName },
+      include: {
+        serials: {
+          include: {
+            user: {
+              select: { name: true },
+            },
+          },
+          orderBy: { createdAt: "desc" },
+        },
+      },
+    });

-    if (!companyInfo) {
-      throw new Error('企业不存在');
+    if (!company) {
+      throw new Error("企业不存在");
    }

-    const serialStats = await this.dbService.get(`
-      SELECT COUNT(*) as serial_count,
-             SUM(CASE WHEN is_active = 1 THEN 1 ELSE 0 END) as active_count,
-             SUM(CASE WHEN is_active = 0 THEN 1 ELSE 0 END) as disabled_count,
-             SUM(CASE WHEN valid_until IS NOT NULL AND valid_until <= datetime('now') THEN 1 ELSE 0 END) as expired_count
-      FROM serials
-      WHERE company_name = ?
-    `, [companyName]);
+    const now = new Date();
+    const serialCount = company.serials.length;
+    const activeCount = company.serials.filter(
+      (s) => s.isActive && (!s.validUntil || s.validUntil > now),
+    ).length;
+    const disabledCount = company.serials.filter((s) => !s.isActive).length;
+    const expiredCount = company.serials.filter(
+      (s) => s.validUntil && s.validUntil <= now,
+    ).length;

-    const serials = await this.dbService.all(`
-      SELECT s.*, u.name as created_by_name
-      FROM serials s
-      LEFT JOIN users u ON s.created_by = u.id
-      WHERE s.company_name = ?
-      ORDER BY s.created_at DESC
-      LIMIT ? OFFSET ?
-    `, [companyName, parseInt(limit.toString()), parseInt(offset.toString())]);
+    const monthlyStatsMap = new Map<string, number>();

-    const stats = await this.dbService.all<{ month: string; count: number }>(`
-      SELECT strftime('%Y-%m', created_at) as month, 
-             COUNT(*) as count
-      FROM serials
-      WHERE company_name = ?
-      GROUP BY strftime('%Y-%m', created_at)
-      ORDER BY month DESC
-      LIMIT 12
-    `, [companyName]);
+    for (let i = 11; i >= 0; i--) {
+      const date = new Date(now.getFullYear(), now.getMonth() - i, 1);
+      const monthKey = date.toISOString().slice(0, 7);
+      const count = company.serials.filter((s) => {
+        const createdAt = new Date(s.createdAt);
+        return (
+          createdAt.getFullYear() === date.getFullYear() &&
+          createdAt.getMonth() === date.getMonth()
+        );
+      }).length;
+
+      if (count > 0) {
+        monthlyStatsMap.set(monthKey, count);
+      }
+    }
+
+    const paginatedSerials = company.serials.slice(offset, offset + limit);

    return {
-      message: '获取企业详情成功',
+      message: "获取企业详情成功",
      data: {
        companyName: companyName,
-        serialCount: serialStats?.serial_count || 0,
-        activeCount: serialStats?.active_count || 0,
-        disabledCount: serialStats?.disabled_count || 0,
-        expiredCount: serialStats?.expired_count || 0,
-        firstCreated: (companyInfo as any).created_at,
-        lastCreated: (companyInfo as any).updated_at,
-        status: (companyInfo as any).is_active ? 'active' : 'disabled',
-        serials: serials.map((s: any) => ({
-          serialNumber: s.serial_number,
-          validUntil: s.valid_until,
-          isActive: s.is_active,
-          createdAt: s.created_at,
-          createdBy: s.created_by_name
+        serialCount,
+        activeCount,
+        disabledCount,
+        expiredCount,
+        firstCreated: company.createdAt,
+        lastCreated: company.updatedAt,
+        status: company.isActive ? "active" : "disabled",
+        serials: paginatedSerials.map((s) => ({
+          serialNumber: s.serialNumber,
+          validUntil: s.validUntil,
+          isActive: s.isActive,
+          createdAt: s.createdAt,
+          createdBy: s.user?.name,
        })),
-        monthlyStats: stats.map(stat => ({
-          month: stat.month,
-          count: stat.count
-        }))
-      }
+        monthlyStats: Array.from(monthlyStatsMap.entries()).map(
+          ([month, count]) => ({ month, count }),
+        ),
+      },
    };
  }

  async update(companyName: string, newCompanyName: string) {
-    const existingCompany = await this.dbService.get(
-      'SELECT COUNT(*) as count FROM serials WHERE company_name = ?',
-      [companyName]
-    );
+    const prisma = this.dbService.getPrisma();
+    const existingCompany = await prisma.serial.count({
+      where: { companyName },
+    });

-    if (!existingCompany || (existingCompany as any).count === 0) {
-      throw new Error('企业不存在');
+    if (existingCompany === 0) {
+      throw new Error("企业不存在");
    }

-    const duplicateCompany = await this.dbService.get(
-      'SELECT COUNT(*) as count FROM serials WHERE company_name = ?',
-      [newCompanyName]
-    );
+    const duplicateCompany = await prisma.serial.count({
+      where: { companyName: newCompanyName },
+    });

-    if (duplicateCompany && (duplicateCompany as any).count > 0) {
-      throw new Error('企业名称已存在');
+    if (duplicateCompany > 0) {
+      throw new Error("企业名称已存在");
    }

-    this.dbService.run(
-      'UPDATE serials SET company_name = ?, updated_at = CURRENT_TIMESTAMP WHERE company_name = ?',
-      [newCompanyName, companyName]
-    );
+    await prisma.serial.updateMany({
+      where: { companyName },
+      data: { companyName: newCompanyName },
+    });

    return {
-      message: '企业名称更新成功',
+      message: "企业名称更新成功",
      data: {
        oldCompanyName: companyName,
-        newCompanyName
-      }
+        newCompanyName,
+      },
    };
  }

  async delete(companyName: string) {
-    const existingCompany = await this.dbService.get(
-      'SELECT * FROM companies WHERE company_name = ?',
-      [companyName]
-    );
+    const prisma = this.dbService.getPrisma();
+    const existingCompany = await prisma.company.findUnique({
+      where: { companyName },
+    });

    if (!existingCompany) {
-      throw new Error('企业不存在');
+      throw new Error("企业不存在");
    }

-    this.dbService.run('BEGIN TRANSACTION');
+    const deleteResult = await prisma.$transaction(async (tx) => {
+      const serialDeleteCount = await tx.serial.deleteMany({
+        where: { companyName },
+      });

-    try {
-      const serialDeleteResult = this.dbService.run(
-        'DELETE FROM serials WHERE company_name = ?',
-        [companyName]
-      );
+      await tx.company.delete({
+        where: { companyName },
+      });

-      const companyDeleteResult = this.dbService.run(
-        'DELETE FROM companies WHERE company_name = ?',
-        [companyName]
-      );
-
-      if (companyDeleteResult.changes === 0) {
-        this.dbService.run('ROLLBACK');
-        throw new Error('企业不存在');
-      }
-
-      this.dbService.run('COMMIT');
+      return serialDeleteCount.count;
+    });

    return {
-        message: '企业已完全删除，所有相关序列号已删除',
+      message: "企业已完全删除，所有相关序列号已删除",
      data: {
        companyName: companyName,
-          deletedSerialCount: serialDeleteResult.changes,
-          deletedCompanyCount: companyDeleteResult.changes
-        }
+        deletedSerialCount: deleteResult,
+        deletedCompanyCount: 1,
+      },
    };
-    } catch (error) {
-      this.dbService.run('ROLLBACK');
-      throw error;
-    }
  }

  async deleteSerial(companyName: string, serialNumber: string) {
-    const serial = await this.dbService.get(
-      'SELECT * FROM serials WHERE serial_number = ? AND company_name = ?',
-      [serialNumber.toUpperCase(), companyName]
-    );
+    const prisma = this.dbService.getPrisma();
+    const serial = await prisma.serial.findFirst({
+      where: {
+        serialNumber: serialNumber.toUpperCase(),
+        companyName,
+      },
+    });

    if (!serial) {
-      throw new Error('序列号不存在或不属于该企业');
+      throw new Error("序列号不存在或不属于该企业");
    }

-    await this.dbService.run(
-      'DELETE FROM serials WHERE serial_number = ? AND company_name = ?',
-      [serialNumber.toUpperCase(), companyName]
-    );
+    await prisma.serial.delete({
+      where: { serialNumber: serialNumber.toUpperCase() },
+    });

    return {
-      message: '序列号已成功删除',
+      message: "序列号已成功删除",
      data: {
        serialNumber: serialNumber.toUpperCase(),
-        companyName
-      }
+        companyName,
+      },
    };
  }

  async revoke(companyName: string) {
-    const existingCompany = await this.dbService.get(
-      'SELECT COUNT(*) as count FROM serials WHERE company_name = ?',
-      [companyName]
-    );
+    const prisma = this.dbService.getPrisma();
+    const existingCompany = await prisma.serial.count({
+      where: { companyName },
+    });

-    if (!existingCompany || (existingCompany as any).count === 0) {
-      throw new Error('企业不存在');
+    if (existingCompany === 0) {
+      throw new Error("企业不存在");
    }

-    await this.dbService.run(
-      'UPDATE serials SET is_active = 0, updated_at = CURRENT_TIMESTAMP WHERE company_name = ?',
-      [companyName]
-    );
+    await prisma.serial.updateMany({
+      where: { companyName },
+      data: { isActive: false },
+    });

    return {
-      message: '企业已吊销，所有序列号已失效',
+      message: "企业已吊销，所有序列号已失效",
      data: {
-        companyName: companyName
-      }
+        companyName: companyName,
+      },
    };
  }

  async getStats() {
-    const companyCount = await this.dbService.get<{ count: number }>('SELECT COUNT(*) as count FROM companies');
-    const serialCount = await this.dbService.get<{ count: number }>('SELECT COUNT(*) as count FROM serials');
-    const activeCount = await this.dbService.get<{ count: number }>(`
-      SELECT COUNT(*) as count FROM serials 
-      WHERE is_active = 1 AND (valid_until IS NULL OR valid_until > datetime('now'))
-    `);
-
-    const monthlyStats = await this.dbService.all<{ month: string; company_count: number; serial_count: number }>(`
-      SELECT strftime('%Y-%m', created_at) as month,
-             COUNT(DISTINCT company_name) as company_count,
-             COUNT(*) as serial_count
-      FROM serials
-      WHERE created_at >= strftime('%Y-%m-%d', datetime('now', '-12 months'))
-      GROUP BY strftime('%Y-%m', created_at)
-      ORDER BY month ASC
-    `);
-
-    const recentCompanies = await this.dbService.all<{ company_name: string; last_created: string; is_active: number }>(`
-      SELECT c.company_name, c.created_at as last_created, c.is_active
-      FROM companies c
-      ORDER BY c.updated_at DESC
-      LIMIT 10
-    `);
-
-    const recentSerials = await this.dbService.all<{ serial_number: string; company_name: string; is_active: number; created_at: string }>(`
-      SELECT s.serial_number, s.company_name, s.is_active, s.created_at
-      FROM serials s
-      ORDER BY s.created_at DESC
-      LIMIT 10
-    `);
-
-    let finalMonthlyStats = monthlyStats;
-    if (monthlyStats.length === 0) {
-      finalMonthlyStats = [];
+    const prisma = this.dbService.getPrisma();
    const now = new Date();
+
+    const [companies, serials, recentCompanies, recentSerials] =
+      await Promise.all([
+        prisma.company.findMany(),
+        prisma.serial.findMany({
+          include: {
+            company: true,
+          },
+        }),
+        prisma.company.findMany({
+          orderBy: { updatedAt: "desc" },
+          take: 10,
+        }),
+        prisma.serial.findMany({
+          orderBy: { createdAt: "desc" },
+          take: 10,
+        }),
+      ]);
+
+    const companyCount = companies.length;
+    const serialCount = serials.length;
+    const activeCount = serials.filter(
+      (s) => s.isActive && (!s.validUntil || s.validUntil > now),
+    ).length;
+    const inactiveCount = serialCount - activeCount;
+
+    const monthlyStats: Array<{
+      month: string;
+      company_count: number;
+      serial_count: number;
+    }> = [];
+    const nowYear = now.getFullYear();
+    const nowMonth = now.getMonth();
+
    for (let i = 11; i >= 0; i--) {
-        const date = new Date(now.getFullYear(), now.getMonth() - i, 1);
-        const month = date.toISOString().substr(0, 7);
-        finalMonthlyStats.push({
-          month,
-          company_count: 0,
-          serial_count: 0
+      const date = new Date(nowYear, nowMonth - i, 1);
+      const monthStr = date.toISOString().slice(0, 7);
+      const monthSerials = serials.filter((s) => {
+        const createdAt = new Date(s.createdAt);
+        return (
+          createdAt.getFullYear() === date.getFullYear() &&
+          createdAt.getMonth() === date.getMonth()
+        );
+      });
+      const uniqueCompanies = new Set(monthSerials.map((s) => s.companyName));
+
+      if (monthSerials.length > 0) {
+        monthlyStats.push({
+          month: monthStr,
+          company_count: uniqueCompanies.size,
+          serial_count: monthSerials.length,
        });
      }
    }

    return {
-      message: '获取统计数据成功',
+      message: "获取统计数据成功",
      data: {
        overview: {
-          totalCompanies: companyCount?.count || 0,
-          totalSerials: serialCount?.count || 0,
-          activeSerials: activeCount?.count || 0,
-          inactiveSerials: (serialCount?.count || 0) - (activeCount?.count || 0)
+          totalCompanies: companyCount,
+          totalSerials: serialCount,
+          activeSerials: activeCount,
+          inactiveSerials: inactiveCount,
        },
-        monthlyStats: finalMonthlyStats.map(stat => ({
-          month: stat.month,
-          company_count: stat.company_count,
-          serial_count: stat.serial_count
+        monthlyStats,
+        recentCompanies: recentCompanies.map((c) => ({
+          companyName: c.companyName,
+          lastCreated: c.updatedAt,
+          status: c.isActive ? "active" : "disabled",
        })),
-        recentCompanies: recentCompanies.map(c => ({
-          companyName: c.company_name,
-          lastCreated: c.last_created,
-          status: c.is_active ? 'active' : 'disabled'
+        recentSerials: recentSerials.map((s) => ({
+          serialNumber: s.serialNumber,
+          companyName: s.companyName,
+          isActive: s.isActive,
+          createdAt: s.createdAt,
        })),
-        recentSerials: recentSerials.map(s => ({
-          serialNumber: s.serial_number,
-          companyName: s.company_name,
-          isActive: !!s.is_active,
-          createdAt: s.created_at
-        }))
-      }
+      },
    };
  }
 }
--- a/src/database/database.service.ts
+++ b/src/database/database.service.ts
@@ -1,59 +1,25 @@
-import { Injectable, OnModuleInit, OnModuleDestroy } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import Database from 'better-sqlite3';
-import * as path from 'path';
-import * as fs from 'fs';
+import { Injectable, OnModuleInit, OnModuleDestroy } from "@nestjs/common";
+import { PrismaClient } from "@prisma/client";

@Injectable()
 export class DatabaseService implements OnModuleInit, OnModuleDestroy {
-  private db: Database.Database;
-  private dbPath: string;
+  private prisma: PrismaClient;

-  constructor(private configService: ConfigService) {}
-
-  onModuleInit() {
-    this.dbPath = this.configService.get<string>('DB_PATH', path.join(process.cwd(), 'data/database.sqlite'));
-    const dbDir = path.dirname(this.dbPath);
-    
-    if (!fs.existsSync(dbDir)) {
-      fs.mkdirSync(dbDir, { recursive: true });
+  constructor() {
+    this.prisma = new PrismaClient({
+      log: ["query", "error", "warn"],
+    });
  }

-    this.db = new Database(this.dbPath, { verbose: console.log });
+  onModuleInit() {
+    this.prisma.$connect();
  }

  onModuleDestroy() {
-    this.db.close();
+    this.prisma.$disconnect();
  }

-  get<T = any>(sql: string, params: any[] = []): T | undefined {
-    try {
-      const stmt = this.db.prepare(sql);
-      return stmt.get(params) as T | undefined;
-    } catch (error) {
-      console.error('数据库查询错误:', error);
-      throw error;
-    }
-  }
-
-  all<T = any>(sql: string, params: any[] = []): T[] {
-    try {
-      const stmt = this.db.prepare(sql);
-      return stmt.all(params) as T[];
-    } catch (error) {
-      console.error('数据库查询错误:', error);
-      throw error;
-    }
-  }
-
-  run(sql: string, params: any[] = []): { id: number; changes: number } {
-    try {
-      const stmt = this.db.prepare(sql);
-      const result = stmt.run(params);
-      return { id: result.lastInsertRowid as number, changes: result.changes };
-    } catch (error) {
-      console.error('数据库操作错误:', error);
-      throw error;
-    }
+  getPrisma() {
+    return this.prisma;
  }
 }
--- a/src/database/database.ts
+++ b/src/database/database.ts
@@ -1,56 +0,0 @@
-import Database from 'better-sqlite3';
-import path from 'path';
-import fs from 'fs';
-
-class DatabaseWrapper {
-  private db: Database.Database;
-  private dbPath: string;
-
-  constructor() {
-    this.dbPath = process.env.DB_PATH || path.join(process.cwd(), 'data/database.sqlite');
-    const dbDir = path.dirname(this.dbPath);
-    
-    if (!fs.existsSync(dbDir)) {
-      fs.mkdirSync(dbDir, { recursive: true });
-    }
-    
-    this.db = new Database(this.dbPath, { verbose: console.log });
-  }
-
-  get<T = any>(sql: string, params: any[] = []): T | undefined {
-    try {
-      const stmt = this.db.prepare(sql);
-      return stmt.get(params) as T | undefined;
-    } catch (error) {
-      console.error('数据库查询错误:', error);
-      throw error;
-    }
-  }
-
-  all<T = any>(sql: string, params: any[] = []): T[] {
-    try {
-      const stmt = this.db.prepare(sql);
-      return stmt.all(params) as T[];
-    } catch (error) {
-      console.error('数据库查询错误:', error);
-      throw error;
-    }
-  }
-
-  run(sql: string, params: any[] = []): { id: number; changes: number } {
-    try {
-      const stmt = this.db.prepare(sql);
-      const result = stmt.run(params);
-      return { id: result.lastInsertRowid as number, changes: result.changes };
-    } catch (error) {
-      console.error('数据库操作错误:', error);
-      throw error;
-    }
-  }
-
-  close(): void {
-    this.db.close();
-  }
-}
-
-export default new DatabaseWrapper();
--- a/src/serials/serials.service.ts
+++ b/src/serials/serials.service.ts
@@ -1,235 +1,281 @@
-import { Injectable } from '@nestjs/common';
-import { DatabaseService } from '../database/database.service';
-import * as QRCode from 'qrcode';
-import { Serial, SerialListItem } from './dto';
+import { Injectable } from "@nestjs/common";
+import { DatabaseService } from "../database/database.service";
+import * as QRCode from "qrcode";
+import { Serial, SerialListItem } from "./dto";

@Injectable()
 export class SerialsService {
  constructor(private dbService: DatabaseService) {}

-  async generate(companyName: string, quantity: number, validDays: number, userId: number, serialPrefix?: string): Promise<SerialListItem[]> {
+  async generate(
+    companyName: string,
+    quantity: number,
+    validDays: number,
+    userId: number,
+    serialPrefix?: string,
+  ): Promise<SerialListItem[]> {
+    const prisma = this.dbService.getPrisma();
    const validUntil = new Date();
    validUntil.setDate(validUntil.getDate() + validDays);

-    const existingCompany = await this.dbService.get('SELECT * FROM companies WHERE company_name = ?', [companyName]);
+    const existingCompany = await prisma.company.findUnique({
+      where: { companyName },
+    });
    if (!existingCompany) {
-      await this.dbService.run('INSERT INTO companies (company_name, is_active) VALUES (?, 1)', [companyName]);
+      await prisma.company.create({
+        data: { companyName, isActive: true },
+      });
    }

    const serials: SerialListItem[] = [];
-    const prefix = serialPrefix ? serialPrefix.toUpperCase().replace(/[^A-Z0-9]/g, '') : 'BF' + new Date().getFullYear().toString().substr(2);
+    const prefix = serialPrefix
+      ? serialPrefix.toUpperCase().replace(/[^A-Z0-9]/g, "")
+      : "BF" + new Date().getFullYear().toString().substr(2);

    for (let i = 0; i < quantity; i++) {
-      const randomPart = Math.floor(Math.random() * 1000000).toString().padStart(6, '0');
+      const randomPart = Math.floor(Math.random() * 1000000)
+        .toString()
+        .padStart(6, "0");
      const serialNumber = `${prefix}${randomPart}`;

-      await this.dbService.run(
-        'INSERT INTO serials (serial_number, company_name, valid_until, created_by) VALUES (?, ?, ?, ?)',
-        [serialNumber, companyName, validUntil.toISOString().slice(0, 19).replace('T', ' '), userId]
-      );
+      await prisma.serial.create({
+        data: {
+          serialNumber,
+          companyName,
+          validUntil,
+          createdBy: userId,
+          isActive: true,
+        },
+      });

      serials.push({
        serialNumber,
        companyName,
        validUntil: validUntil.toISOString(),
        isActive: true,
-        createdAt: new Date().toISOString()
+        createdAt: new Date().toISOString(),
      });
    }

    return serials;
  }

-  async generateQRCode(serialNumber: string, baseUrl?: string, requestHost?: string, protocol?: string) {
-    const serial = await this.dbService.get<{ serial_number: string; company_name: string; is_active: number; valid_until: string | null }>(
-      'SELECT s.*, u.name as created_by_name FROM serials s LEFT JOIN users u ON s.created_by = u.id WHERE s.serial_number = ?',
-      [serialNumber.toUpperCase()]
-    );
+  async generateQRCode(
+    serialNumber: string,
+    baseUrl?: string,
+    requestHost?: string,
+    protocol?: string,
+  ) {
+    const prisma = this.dbService.getPrisma();
+    const serial = await prisma.serial.findUnique({
+      where: { serialNumber: serialNumber.toUpperCase() },
+      include: {
+        user: {
+          select: { name: true },
+        },
+      },
+    });

    if (!serial) {
-      throw new Error('序列号不存在');
+      throw new Error("序列号不存在");
    }

-    if (!serial.is_active) {
-      throw new Error('序列号已被禁用');
+    if (!serial.isActive) {
+      throw new Error("序列号已被禁用");
    }

-    if (serial.valid_until && new Date(serial.valid_until) < new Date()) {
-      throw new Error('序列号已过期');
+    if (serial.validUntil && new Date(serial.validUntil) < new Date()) {
+      throw new Error("序列号已过期");
    }

    if (!baseUrl) {
      baseUrl = `${protocol}://${requestHost}/query.html`;
    }

-    const queryUrl = baseUrl.includes('?') 
-      ? `${baseUrl}&serial=${serial.serial_number}`
-      : `${baseUrl}?serial=${serial.serial_number}`;
+    const queryUrl = baseUrl.includes("?")
+      ? `${baseUrl}&serial=${serial.serialNumber}`
+      : `${baseUrl}?serial=${serial.serialNumber}`;

    const qrCodeData = await QRCode.toDataURL(queryUrl, {
      width: 200,
      color: {
-        dark: '#165DFF',
-        light: '#ffffff'
-      }
+        dark: "#165DFF",
+        light: "#ffffff",
+      },
    });

    return {
-      message: '二维码生成成功',
+      message: "二维码生成成功",
      qrCodeData,
      queryUrl,
-      serialNumber: serial.serial_number,
-      companyName: serial.company_name,
-      validUntil: serial.valid_until
+      serialNumber: serial.serialNumber,
+      companyName: serial.companyName,
+      validUntil: serial.validUntil,
    };
  }

  async query(serialNumber: string) {
-    const serial = await this.dbService.get<{ serial_number: string; company_name: string; valid_until: string | null; is_active: number; created_at: string; created_by_name: string }>(
-      'SELECT s.*, u.name as created_by_name FROM serials s LEFT JOIN users u ON s.created_by = u.id WHERE s.serial_number = ?',
-      [serialNumber.toUpperCase()]
-    );
+    const prisma = this.dbService.getPrisma();
+    const serial = await prisma.serial.findUnique({
+      where: { serialNumber: serialNumber.toUpperCase() },
+      include: {
+        user: {
+          select: { name: true },
+        },
+      },
+    });

    if (!serial) {
-      throw new Error('序列号不存在');
+      throw new Error("序列号不存在");
    }

-    if (serial.valid_until && new Date(serial.valid_until) < new Date()) {
-      throw new Error('序列号已过期');
+    if (serial.validUntil && new Date(serial.validUntil) < new Date()) {
+      throw new Error("序列号已过期");
    }

    return {
-      message: '查询成功',
+      message: "查询成功",
      serial: {
-        serialNumber: serial.serial_number,
-        companyName: serial.company_name,
-        validUntil: serial.valid_until,
-        status: serial.is_active ? 'active' : 'disabled',
-        isActive: !!serial.is_active,
-        createdAt: serial.created_at,
-        createdBy: serial.created_by_name
-      }
+        serialNumber: serial.serialNumber,
+        companyName: serial.companyName,
+        validUntil: serial.validUntil,
+        status: serial.isActive ? "active" : "disabled",
+        isActive: serial.isActive,
+        createdAt: serial.createdAt,
+        createdBy: serial.user?.name,
+      },
    };
  }

  async findAll(page: number, limit: number, search: string) {
+    const prisma = this.dbService.getPrisma();
    const offset = (page - 1) * limit;

-    let query = 'SELECT s.*, u.name as created_by_name FROM serials s LEFT JOIN users u ON s.created_by = u.id';
-    let countQuery = 'SELECT COUNT(*) as total FROM serials s';
-    let params: any[] = [];
-
-    if (search) {
-      query += ' WHERE s.serial_number LIKE ? OR s.company_name LIKE ?';
-      countQuery += ' WHERE s.serial_number LIKE ? OR s.company_name LIKE ?';
-      const searchParam = `%${search}%`;
-      params.push(searchParam, searchParam);
+    const where = search
+      ? {
+          OR: [
+            { serialNumber: { contains: search } },
+            { companyName: { contains: search } },
+          ],
        }
+      : undefined;

-    query += ' ORDER BY s.created_at DESC LIMIT ? OFFSET ?';
-    params.push(parseInt(limit.toString()), parseInt(offset.toString()));
-
-    const [serials, countResult] = await Promise.all([
-      this.dbService.all(query, params),
-      this.dbService.get<{ total: number }>(countQuery, params.slice(0, -2))
+    const [serials, total] = await Promise.all([
+      prisma.serial.findMany({
+        where,
+        include: {
+          user: {
+            select: { name: true },
+          },
+        },
+        orderBy: { createdAt: "desc" },
+        skip: offset,
+        take: limit,
+      }),
+      prisma.serial.count({ where }),
    ]);

-    const total = countResult?.total || 0;
    const totalPages = Math.ceil(total / limit);

    return {
-      message: '获取序列号列表成功',
-      data: serials.map((s: any) => ({
-        serialNumber: s.serial_number,
-        companyName: s.company_name,
-        validUntil: s.valid_until,
-        isActive: s.is_active,
-        createdAt: s.created_at,
-        createdBy: s.created_by_name
+      message: "获取序列号列表成功",
+      data: serials.map((s) => ({
+        serialNumber: s.serialNumber,
+        companyName: s.companyName,
+        validUntil: s.validUntil,
+        isActive: s.isActive,
+        createdAt: s.createdAt,
+        createdBy: s.user?.name,
      })),
      pagination: {
        page: parseInt(page.toString()),
        limit: parseInt(limit.toString()),
        total,
-        totalPages
-      }
+        totalPages,
+      },
    };
  }

-  async update(serialNumber: string, updateData: { companyName?: string; validUntil?: string; isActive?: boolean }) {
-    const existingSerial = await this.dbService.get<{ is_active: number }>('SELECT * FROM serials WHERE serial_number = ?', [serialNumber.toUpperCase()]);
+  async update(
+    serialNumber: string,
+    updateData: {
+      companyName?: string;
+      validUntil?: string;
+      isActive?: boolean;
+    },
+  ) {
+    const prisma = this.dbService.getPrisma();
+    const existingSerial = await prisma.serial.findUnique({
+      where: { serialNumber: serialNumber.toUpperCase() },
+    });

    if (!existingSerial) {
-      throw new Error('序列号不存在');
+      throw new Error("序列号不存在");
    }

-    const updateFields: string[] = [];
-    const params: any[] = [];
-
+    const updateFields: any = {};
    if (updateData.companyName !== undefined) {
-      updateFields.push('company_name = ?');
-      params.push(updateData.companyName);
+      updateFields.companyName = updateData.companyName;
    }
-
    if (updateData.validUntil !== undefined) {
-      updateFields.push('valid_until = ?');
-      params.push(updateData.validUntil);
+      updateFields.validUntil = new Date(updateData.validUntil);
    }
-
    if (updateData.isActive !== undefined) {
-      updateFields.push('is_active = ?');
-      params.push(updateData.isActive ? 1 : 0);
+      updateFields.isActive = updateData.isActive;
    }

-    if (updateFields.length === 0) {
-      throw new Error('没有提供更新字段');
+    if (Object.keys(updateFields).length === 0) {
+      throw new Error("没有提供更新字段");
    }

-    updateFields.push('updated_at = CURRENT_TIMESTAMP');
-    params.push(serialNumber.toUpperCase());
-
-    await this.dbService.run(
-      `UPDATE serials SET ${updateFields.join(', ')} WHERE serial_number = ?`,
-      params
-    );
-
-    const updatedSerial = await this.dbService.get('SELECT s.*, u.name as created_by_name FROM serials s LEFT JOIN users u ON s.created_by = u.id WHERE s.serial_number = ?', [serialNumber.toUpperCase()]);
+    const updatedSerial = await prisma.serial.update({
+      where: { serialNumber: serialNumber.toUpperCase() },
+      data: updateFields,
+      include: {
+        user: {
+          select: { name: true },
+        },
+      },
+    });

    return {
-      message: '序列号更新成功',
+      message: "序列号更新成功",
      serial: {
-        serialNumber: (updatedSerial as any).serial_number,
-        companyName: (updatedSerial as any).company_name,
-        validUntil: (updatedSerial as any).valid_until,
-        isActive: (updatedSerial as any).is_active,
-        createdAt: (updatedSerial as any).created_at,
-        updatedAt: (updatedSerial as any).updated_at,
-        createdBy: (updatedSerial as any).created_by_name
-      }
+        serialNumber: updatedSerial.serialNumber,
+        companyName: updatedSerial.companyName,
+        validUntil: updatedSerial.validUntil,
+        isActive: updatedSerial.isActive,
+        createdAt: updatedSerial.createdAt,
+        updatedAt: updatedSerial.updatedAt,
+        createdBy: updatedSerial.user?.name,
+      },
    };
  }

  async revoke(serialNumber: string) {
-    const existingSerial = await this.dbService.get<{ is_active: number }>('SELECT * FROM serials WHERE serial_number = ?', [serialNumber.toUpperCase()]);
+    const prisma = this.dbService.getPrisma();
+    const existingSerial = await prisma.serial.findUnique({
+      where: { serialNumber: serialNumber.toUpperCase() },
+    });

    if (!existingSerial) {
-      throw new Error('序列号不存在');
+      throw new Error("序列号不存在");
    }

-    if (!existingSerial.is_active) {
-      throw new Error('序列号已被吊销');
+    if (!existingSerial.isActive) {
+      throw new Error("序列号已被吊销");
    }

-    await this.dbService.run(
-      'UPDATE serials SET is_active = 0, updated_at = CURRENT_TIMESTAMP WHERE serial_number = ?',
-      [serialNumber.toUpperCase()]
-    );
+    await prisma.serial.update({
+      where: { serialNumber: serialNumber.toUpperCase() },
+      data: { isActive: false },
+    });

    return {
-      message: '序列号已吊销',
+      message: "序列号已吊销",
      data: {
-        serialNumber: serialNumber.toUpperCase()
-      }
+        serialNumber: serialNumber.toUpperCase(),
+      },
    };
  }
 }
--- a/src/types/index.d.ts
+++ b/src/types/index.d.ts
@@ -4,42 +4,42 @@ export interface User {
  password: string;
  name: string;
  email: string | null;
-  role: 'admin' | 'user';
-  created_at: string;
-  updated_at: string;
+  role: "admin" | "user";
+  createdAt: Date;
+  updatedAt: Date;
 }

 export interface Company {
  id: number;
-  company_name: string;
-  is_active: boolean;
-  created_at: string;
-  updated_at: string;
+  companyName: string;
+  isActive: boolean;
+  createdAt: Date;
+  updatedAt: Date;
 }

 export interface Serial {
  id: number;
-  serial_number: string;
-  company_name: string;
-  valid_until: string | null;
-  is_active: boolean;
-  created_by: number | null;
-  created_at: string;
-  updated_at: string;
-  created_by_name?: string;
+  serialNumber: string;
+  companyName: string;
+  validUntil: Date | null;
+  isActive: boolean;
+  createdBy: number | null;
+  createdAt: Date;
+  updatedAt: Date;
+  createdByName?: string;
 }

 export interface AuthUser {
  id: number;
  username: string;
  name: string;
-  role: 'admin' | 'user';
+  role: "admin" | "user";
 }

 export interface JWTPayload {
  userId: number;
  username: string;
-  role: 'admin' | 'user';
+  role: "admin" | "user";
 }

 export interface LoginRequest {
@@ -105,7 +105,7 @@ export interface LoginResponse {
    username: string;
    name: string;
    email: string | null;
-    role: 'admin' | 'user';
+    role: "admin" | "user";
  };
 }

@@ -124,7 +124,7 @@ export interface CompanyListItem {
  lastCreated: string;
  serialCount: number;
  activeCount: number;
-  status: 'active' | 'disabled';
+  status: "active" | "disabled";
 }

 export interface CompanyDetail {
@@ -135,7 +135,7 @@ export interface CompanyDetail {
  expiredCount: number;
  firstCreated: string;
  lastCreated: string;
-  status: 'active' | 'disabled';
+  status: "active" | "disabled";
  serials: SerialListItem[];
  monthlyStats: MonthlyStat[];
 }
@@ -154,7 +154,20 @@ export interface StatsOverview {

 export interface StatsResponse {
  overview: StatsOverview;
-  monthlyStats: Array<{ month: string; company_count: number; serial_count: number }>;
-  recentCompanies: Array<{ companyName: string; lastCreated: string; status: 'active' | 'disabled' }>;
-  recentSerials: Array<{ serialNumber: string; companyName: string; isActive: boolean; createdAt: string }>;
+  monthlyStats: Array<{
+    month: string;
+    company_count: number;
+    serial_count: number;
+  }>;
+  recentCompanies: Array<{
+    companyName: string;
+    lastCreated: string;
+    status: "active" | "disabled";
+  }>;
+  recentSerials: Array<{
+    serialNumber: string;
+    companyName: string;
+    isActive: boolean;
+    createdAt: string;
+  }>;
 }
--- a/src/utils/database.ts
+++ b/src/utils/database.ts
@@ -1,56 +0,0 @@
-import Database from 'better-sqlite3';
-import path from 'path';
-import fs from 'fs';
-
-class DatabaseWrapper {
-  private db: Database.Database;
-  private dbPath: string;
-
-  constructor() {
-    this.dbPath = process.env.DB_PATH || path.join(process.cwd(), 'data/database.sqlite');
-    const dbDir = path.dirname(this.dbPath);
-    
-    if (!fs.existsSync(dbDir)) {
-      fs.mkdirSync(dbDir, { recursive: true });
-    }
-    
-    this.db = new Database(this.dbPath, { verbose: console.log });
-  }
-
-  get<T = any>(sql: string, params: any[] = []): T | undefined {
-    try {
-      const stmt = this.db.prepare(sql);
-      return stmt.get(params) as T | undefined;
-    } catch (error) {
-      console.error('数据库查询错误:', error);
-      throw error;
-    }
-  }
-
-  all<T = any>(sql: string, params: any[] = []): T[] {
-    try {
-      const stmt = this.db.prepare(sql);
-      return stmt.all(params) as T[];
-    } catch (error) {
-      console.error('数据库查询错误:', error);
-      throw error;
-    }
-  }
-
-  run(sql: string, params: any[] = []): { id: number; changes: number } {
-    try {
-      const stmt = this.db.prepare(sql);
-      const result = stmt.run(params);
-      return { id: result.lastInsertRowid as number, changes: result.changes };
-    } catch (error) {
-      console.error('数据库操作错误:', error);
-      throw error;
-    }
-  }
-
-  close(): void {
-    this.db.close();
-  }
-}
-
-export default new DatabaseWrapper();