Refactor code

internal/rpc/friend/firend.go

@@ -258,7 +258,7 @@ func (s *friendServer) AddFriendResponse(ctx context.Context, req *pbFriend.AddF
 		_, err = imdb.GetFriendRelationshipFromFriend(req.CommID.ToUserID, req.CommID.FromUserID)
 		if err == nil {
 			log.NewWarn(req.CommID.OperationID, "FindFriendRelationshipFromFriend exist", req.CommID.ToUserID, req.CommID.FromUserID)
-		}
+		} else {
 			toInsertFollow := imdb.Friend{OwnerUserID: req.CommID.ToUserID, FriendUserID: req.CommID.FromUserID, OperatorUserID: req.CommID.OpUserID}
 			err = imdb.InsertToFriend(&toInsertFollow)
 			if err != nil {
@@ -267,6 +267,7 @@ func (s *friendServer) AddFriendResponse(ctx context.Context, req *pbFriend.AddF
 			}
 			chat.FriendAddedNotification(req.CommID.OperationID, req.CommID.OpUserID, req.CommID.FromUserID, req.CommID.ToUserID)
 		}
+	}
 
 	chat.FriendApplicationProcessedNotification(req)
 	log.NewInfo(req.CommID.OperationID, "rpc AddFriendResponse ok")