fix: fix the err2

internal/msgtransfer/init.go

@@ -71,7 +71,7 @@ func StartTransfer(config *config.GlobalConfig, prometheusPort int) error {
 		return err
 	}
 
-	if err2 := client.CreateRpcRootNodes(config.GetServiceNames()); err2 != nil {
+	if err := client.CreateRpcRootNodes(config.GetServiceNames()); err != nil {
 		return err
 	}
 	client.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"LoadBalancingPolicy": "%s"}`, "round_robin")))

internal/push/offlinepush/getui/push.go

@@ -92,9 +92,9 @@ func (g *Client) Push(ctx context.Context, userIDs []string, title, content stri
 			for i, v := range s.GetSplitResult() {
 				go func(index int, userIDs []string) {
 					defer wg.Done()
-					if err2 := g.batchPush(ctx, token, userIDs, pushReq); err2 != nil {
-						log.ZError(ctx, "batchPush failed", err2, "index", index, "token", token, "req", pushReq)
-						err = err2
+					if err := g.batchPush(ctx, token, userIDs, pushReq); err != nil {
+						log.ZError(ctx, "batchPush failed", err, "index", index, "token", token, "req", pushReq)
+						err = err
 					}
 				}(i, v.Item)
 			}

pkg/common/db/cache/user.go

@@ -201,13 +201,13 @@ func (u *UserCacheRedis) SetUserStatus(ctx context.Context, userID string, statu
 				Status:      constant.Online,
 				PlatformIDs: []int32{platformID},
 			}
-			jsonData, err2 := json.Marshal(&onlineStatus)
-			if err2 != nil {
-				return errs.Wrap(err2)
+			jsonData, err := json.Marshal(&onlineStatus)
+			if err != nil {
+				return errs.Wrap(err)
 			}
-			_, err2 = u.rdb.HSet(ctx, key, userID, string(jsonData)).Result()
-			if err2 != nil {
-				return errs.Wrap(err2)
+			_, err = u.rdb.HSet(ctx, key, userID, string(jsonData)).Result()
+			if err != nil {
+				return errs.Wrap(err)
 			}
 			u.rdb.Expire(ctx, key, userOlineStatusExpireTime)
 
@@ -281,9 +281,9 @@ func (u *UserCacheRedis) refreshStatusOffline(ctx context.Context, userID string
 func (u *UserCacheRedis) refreshStatusOnline(ctx context.Context, userID string, platformID int32, isNil bool, err error, result, key string) error {
 	var onlineStatus user.OnlineStatus
 	if !isNil {
-		err2 := json.Unmarshal([]byte(result), &onlineStatus)
+		err := json.Unmarshal([]byte(result), &onlineStatus)
 		if err != nil {
-			return errs.Wrap(err2)
+			return errs.Wrap(err)
 		}
 		onlineStatus.PlatformIDs = RemoveRepeatedElementsInList(append(onlineStatus.PlatformIDs, platformID))
 	} else {

pkg/common/db/controller/msg.go

@@ -420,9 +420,9 @@ func (db *commonMsgDatabase) BatchInsertChat2Cache(ctx context.Context, conversa
 		log.ZError(ctx, "db.cache.SetMaxSeq error", err, "conversationID", conversationID)
 		prommetrics.SeqSetFailedCounter.Inc()
 	}
-	err2 := db.cache.SetHasReadSeqs(ctx, conversationID, userSeqMap)
+	err = db.cache.SetHasReadSeqs(ctx, conversationID, userSeqMap)
 	if err != nil {
-		log.ZError(ctx, "SetHasReadSeqs error", err2, "userSeqMap", userSeqMap, "conversationID", conversationID)
+		log.ZError(ctx, "SetHasReadSeqs error", err, "userSeqMap", userSeqMap, "conversationID", conversationID)
 		prommetrics.SeqSetFailedCounter.Inc()
 	}
 	return lastMaxSeq, isNew, errs.Wrap(err)

pkg/rpcclient/notification/group.go

@@ -265,11 +265,11 @@ func (g *GroupNotificationSender) fillOpUser(ctx context.Context, opUser **sdkws
 				AppMangerLevel: constant.AppAdmin,
 			}
 		} else {
-			member, err2 := g.db.TakeGroupMember(ctx, groupID, userID)
-			if err2 == nil {
+			member, err := g.db.TakeGroupMember(ctx, groupID, userID)
+			if err == nil {
 				*opUser = g.groupMemberDB2PB(member, 0)
-			} else if !errs.ErrRecordNotFound.Is(err2) {
-				return err2
+			} else if !errs.ErrRecordNotFound.Is(err) {
+				return err
 			}
 		}
 	}