fix bug: fix_add_friend

pkg/common/db/relation/friend_request_model.go

@@ -73,6 +73,7 @@ func (f *FriendRequestGorm) UpdateByMap(
 func (f *FriendRequestGorm) Update(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error) {
 	return utils.Wrap(
 		f.db(ctx).
+			Where("from_user_id = ? AND to_user_id =?", friendRequest.FromUserID, friendRequest.ToUserID).
 			Updates(friendRequest).
 			Error,
 		"",

pkg/common/db/relation/meta_db.go

@@ -33,5 +33,6 @@ func NewMetaDB(db *gorm.DB, table any) *MetaDB {
 }
 
 func (g *MetaDB) db(ctx context.Context) *gorm.DB {
-	return g.DB.WithContext(ctx).Model(g.table)
+	db := g.DB.WithContext(ctx).Model(g.table)
+	return db
 }