Re-migrate code

services/auth_service.go

@@ -21,12 +21,12 @@ func (s *AuthService) ValidateUser(username string, password string) (*models.Us
 	var user models.User
 	result := database.DB.Where("username = ?", username).First(&user)
 	if result.Error != nil {
-		return nil, fmt.Errorf("验证用户失败: %w", errors.New("用户名或密码错误"))
+		return nil, errors.New("用户名或密码不正确")
 	}
 
 	err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password))
 	if err != nil {
-		return nil, fmt.Errorf("密码验证失败: %w", errors.New("用户名或密码错误"))
+		return nil, errors.New("用户名或密码不正确")
 	}
 
 	return &user, nil