diff --git a/src/api/group/group.go b/src/api/group/group.go
index e62e5a340..947abf3b6 100644
--- a/src/api/group/group.go
+++ b/src/api/group/group.go
@@ -135,6 +135,10 @@ type GetGroupMemberListReq struct {
 	NextSeq     int32  `json:"nextSeq"`
 	OperationID string `json:"operationID"`
 }
+type getGroupAllMemberReq struct {
+	GroupID     string `json:"groupID"`
+	OperationID string `json:"operationID"`
+}
 
 type MemberResult struct {
 	GroupId  string `json:"groupID"`
@@ -196,6 +200,52 @@ func GetGroupMemberList(c *gin.Context) {
 
 }
 
+func GetGroupAllMember(c *gin.Context) {
+	log.Info("", "", "GetGroupAllMember start....")
+
+	etcdConn := getcdv3.GetConn(config.Config.Etcd.EtcdSchema, strings.Join(config.Config.Etcd.EtcdAddr, ","), config.Config.RpcRegisterName.OpenImGroupName)
+	client := pb.NewGroupClient(etcdConn)
+	defer etcdConn.Close()
+
+	params := getGroupAllMemberReq{}
+	if err := c.BindJSON(&params); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"errCode": 400, "errMsg": err.Error()})
+		return
+	}
+	req := &pb.GetGroupAllMemberReq{
+		GroupID:     params.GroupID,
+		OperationID: params.OperationID,
+		Token:       c.Request.Header.Get("token"),
+	}
+	log.Info(req.Token, req.OperationID, "recv req: ", req.String())
+	RpcResp, err := client.GetGroupAllMember(context.Background(), req)
+	if err != nil {
+		log.Error(req.Token, req.OperationID, "GetGroupAllMember failed, err: ", err.Error())
+		c.JSON(http.StatusInternalServerError, gin.H{"errCode": 500, "errMsg": err.Error()})
+		return
+	}
+
+	type GetGroupMemberListResp struct {
+		ErrorCode int32          `json:"errCode"`
+		ErrorMsg  string         `json:"errMsg"`
+		Data      []MemberResult `json:"data"`
+	}
+
+	var memberListResp GetGroupMemberListResp
+	memberListResp.ErrorMsg = RpcResp.ErrorMsg
+	memberListResp.ErrorCode = RpcResp.ErrorCode
+	for _, v := range RpcResp.MemberList {
+		memberListResp.Data = append(memberListResp.Data,
+			MemberResult{GroupId: req.GroupID,
+				UserId:   v.UserId,
+				Role:     v.Role,
+				JoinTime: uint64(v.JoinTime),
+				Nickname: v.NickName,
+				FaceUrl:  v.FaceUrl})
+	}
+	c.JSON(http.StatusOK, memberListResp)
+}
+
 type groupResult struct {
 	GroupId      string `json:"groupId"`
 	GroupName    string `json:"groupName"`
diff --git a/src/api/open_im_api.go b/src/api/open_im_api.go
index 702a9bde3..8a8d7ec16 100644
--- a/src/api/open_im_api.go
+++ b/src/api/open_im_api.go
@@ -63,6 +63,7 @@ func main() {
 		groupRouterGroup.POST("/get_groups_info", group.GetGroupsInfo)
 		groupRouterGroup.POST("/kick_group", group.KickGroupMember)
 		groupRouterGroup.POST("/get_group_member_list", group.GetGroupMemberList)
+		groupRouterGroup.POST("/get_group_all_member_list", group.GetGroupAllMember)
 		groupRouterGroup.POST("/get_group_members_info", group.GetGroupMembersInfo)
 		groupRouterGroup.POST("/invite_user_to_group", group.InviteUserToGroup)
 		groupRouterGroup.POST("/get_joined_group_list", group.GetJoinedGroupList)