diff --git a/dao/im.go b/dao/im.go
index f5848a5..75212be 100644
--- a/dao/im.go
+++ b/dao/im.go
@@ -265,8 +265,8 @@ func FindGroupByID(group_id int) []Group {
 	return groups
 }
 
-func UpdateGroup(group_id int, groupName, groupInfo, groupIcon string) error {
-	res := DB.Debug().Model(&Group{}).Where("id = ?", group_id).Updates(map[string]interface{}{"group_name": groupName, "group_info": groupInfo, "group_icon": groupIcon})
+func UpdateGroup(group_id int, groupName, groupInfo, groupType, groupIcon string, user_id int) error {
+	res := DB.Debug().Model(&Group{}).Where("id = ? and auth_id = ? ", group_id, user_id).Updates(map[string]interface{}{"group_name": groupName, "group_info": groupInfo, "group_icon": groupIcon, "group_type": groupType})
 	return res.Error
 }
 
diff --git a/handler/im.go b/handler/im.go
index ab7b407..bc872a1 100644
--- a/handler/im.go
+++ b/handler/im.go
@@ -35,6 +35,7 @@ type Message struct {
 }
 
 type CGroup struct {
+	ID         int    `json:"id" form:"id"`
 	Group_name string `json:"group_name" form:"group_name"`
 	Group_info string `json:"group_info" form:"group_info"`
 	Group_type string `json:"group_type" form:"group_type"`
@@ -69,6 +70,7 @@ func SetUpIMGroup(router *gin.Engine) {
 	//拒绝邀请
 	imGroup.POST("/reject_invite", RejectInvite)
 	imGroup.POST("/create_group", CreateGroup)
+	imGroup.POST("/update_group", UpdateGroup)
 	imGroup.POST("/get_group", GetGroups)
 	imGroup.POST("/get_group_req_user", GetFriendRequest)
 	imGroup.GET("/sse_msg", ServerSendMsg)
@@ -120,6 +122,22 @@ func GetGroups(c *gin.Context) {
 
 }
 
+func UpdateGroup(c *gin.Context) {
+	id, _ := c.Get("id")
+	user_id := int(id.(float64))
+	var req CGroup
+	if err := c.ShouldBind(&req); err == nil {
+		err2 := service.UpdateGroupService(req.ID, req.Group_name, req.Group_info, req.Group_type, req.Group_icon, user_id)
+		if err2 == nil {
+			c.JSON(http.StatusOK, gin.H{"code": proto.SuccessCode, "message": "success"})
+		} else {
+			c.JSON(http.StatusOK, gin.H{"error": err2.Error(), "code": proto.OperationFailed, "message": "failed"})
+		}
+	} else {
+		c.JSON(http.StatusOK, gin.H{"error": err.Error(), "code": proto.ParameterError, "message": "failed"})
+	}
+}
+
 func DelFriendOrGroup(c *gin.Context) {
 	var req Message
 	user_id, _ := c.Get("id")
diff --git a/service/imService.go b/service/imService.go
index 6aa1e42..60185c3 100644
--- a/service/imService.go
+++ b/service/imService.go
@@ -258,6 +258,13 @@ func GetFriendList(user_id int) FGRet {
 	return fg
 }
 
+func UpdateGroupService(group_id int, group_name, group_info, group_type, group_icon string, user_id int) error {
+	//更新群聊
+	err := dao.UpdateGroup(group_id, group_name, group_info, group_type, group_icon, user_id)
+	return err
+
+}
+
 func GetFriendRequest(user_id int) []dao.FriendRequest {
 	//获取好友请求
 	users := dao.GetFriendRequest(user_id)