diff --git a/internal/api/group/group.go b/internal/api/group/group.go
index 81e3a4ad7..8d95af41a 100644
--- a/internal/api/group/group.go
+++ b/internal/api/group/group.go
@@ -12,6 +12,7 @@ import (
 	"Open_IM/pkg/utils"
 	"context"
 	"github.com/golang/protobuf/ptypes/wrappers"
+	"google.golang.org/grpc"
 
 	"github.com/gin-gonic/gin"
 
@@ -227,8 +228,9 @@ func GetGroupAllMemberList(c *gin.Context) {
 		c.JSON(http.StatusInternalServerError, gin.H{"errCode": 500, "errMsg": errMsg})
 		return
 	}
+	maxSizeOption := grpc.MaxCallRecvMsgSize(1024 * 1024 * constant.GroupRPCRecvSize)
 	client := rpc.NewGroupClient(etcdConn)
-	RpcResp, err := client.GetGroupAllMember(context.Background(), req)
+	RpcResp, err := client.GetGroupAllMember(context.Background(), req, maxSizeOption)
 	if err != nil {
 		log.NewError(req.OperationID, "GetGroupAllMember failed err", err.Error(), req.String())
 		c.JSON(http.StatusInternalServerError, gin.H{"errCode": 500, "errMsg": err.Error()})
diff --git a/internal/rpc/group/group.go b/internal/rpc/group/group.go
index a36da065b..d6d9e2a9f 100644
--- a/internal/rpc/group/group.go
+++ b/internal/rpc/group/group.go
@@ -61,8 +61,8 @@ func (s *groupServer) Run() {
 	log.NewInfo("", "listen network success, ", address, listener)
 	defer listener.Close()
 	//grpc server
-	recvSize := 1024 * 1024 * 30
-	sendSize := 1024 * 1024 * 30
+	recvSize := 1024 * 1024 * constant.GroupRPCRecvSize
+	sendSize := 1024 * 1024 * constant.GroupRPCSendSize
 	var options = []grpc.ServerOption{
 		grpc.MaxRecvMsgSize(recvSize),
 		grpc.MaxSendMsgSize(sendSize),
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index ad5caf19f..25e2fe3dc 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -287,6 +287,11 @@ const (
 	Directly                            = 2 //直接进群
 )
 
+const (
+	GroupRPCRecvSize = 30
+	GroupRPCSendSize = 30
+)
+
 const FriendAcceptTip = "You have successfully become friends, so start chatting"
 
 func GroupIsBanChat(status int32) bool {
diff --git a/pkg/common/db/mongoModel.go b/pkg/common/db/mongoModel.go
index a5e0c37b0..fdecf5e8f 100644
--- a/pkg/common/db/mongoModel.go
+++ b/pkg/common/db/mongoModel.go
@@ -1074,7 +1074,8 @@ func (d *DataBases) GetSuperGroupByUserID(userID string) (UserToSuperGroup, erro
 	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
 	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cUserToSuperGroup)
 	var user UserToSuperGroup
-	return user, c.FindOne(ctx, bson.M{"user_id": userID}).Decode(&user)
+	_ = c.FindOne(ctx, bson.M{"user_id": userID}).Decode(&user)
+	return user, nil
 }
 
 func (d *DataBases) DeleteSuperGroup(groupID string) error {