Update user_center_func.go

rpc/user_center_func.go

@@ -47,7 +47,7 @@ func SendFruitMachineToUser(date string, round uint32, userIds []uint64) error {
 		go func(userId uint64, msg *userProxy.FruitMachine, rspUids []uint64, err error) {
 			buf, _ := json.Marshal(msg)
 			AddRpcLog(MsgFruitMachine, userId, string(buf[:]), rspUids, err)
-		}(0, msg, rspUids, err)
+		}(uint64(len(userIds)), msg, rspUids, err)
 
 		if err != nil {
 			mylogrus.MyLog.Errorf("grpc SendFruitMachine send fail")