diff --git a/gim/logic.ext.proto b/gim/logic.ext.proto
index 280632f..6c125e9 100644
--- a/gim/logic.ext.proto
+++ b/gim/logic.ext.proto
@@ -184,7 +184,6 @@ message GetGroupResp {
   Group group = 1;
   MemberType member_type = 2;
   GroupUserStatusType group_user_status_type = 3;
-  ProhibitUpdateGroupNameType prohibit_update_group_name_type = 4;
 }
 
 message Group {
@@ -277,9 +276,4 @@ message GetGroupBannedMembersReq {
 }
 message GetGroupBannedMembersResp {
   repeated GroupMember members = 1;
-}
-
-enum ProhibitUpdateGroupNameType {
-  No_Prohibit_Update_Group_Name = 0; // 否-禁止修改群组名称
-  Yes_Prohibit_Update_Group_Name = 1; // 是-禁止修改群组名称
-}
+}
\ No newline at end of file