优化

internal/data/system.go

@@ -67,15 +67,18 @@ type menuPO struct {
 func (menuPO) TableName() string { return "sys_base_menus" }
 
 type userAuthorityPO struct {
-	SysUserID               uint `gorm:"primaryKey;column:sys_user_id"`
-	SysAuthorityAuthorityID uint `gorm:"primaryKey;column:sys_authority_authority_id"`
+	// GVA's explicit join model deliberately has no primary key or uniqueness
+	// constraint.  Keep duplicate IDs representable; association replacement
+	// and validation are handled by the service transaction instead.
+	SysUserID               uint `gorm:"column:sys_user_id"`
+	SysAuthorityAuthorityID uint `gorm:"column:sys_authority_authority_id"`
 }
 
 func (userAuthorityPO) TableName() string { return "sys_user_authority" }
 
 type authorityMenuPO struct {
-	SysAuthorityAuthorityID uint `gorm:"primaryKey;column:sys_authority_authority_id"`
-	SysBaseMenuID           uint `gorm:"primaryKey;column:sys_base_menu_id"`
+	SysAuthorityAuthorityID uint `gorm:"column:sys_authority_authority_id"`
+	SysBaseMenuID           uint `gorm:"column:sys_base_menu_id"`
 }
 
 func (authorityMenuPO) TableName() string { return "sys_authority_menus" }