diff --git a/proto/c2se/backend/member.proto b/proto/c2se/backend/member.proto
index a07611a..f6d352b 100644
--- a/proto/c2se/backend/member.proto
+++ b/proto/c2se/backend/member.proto
@@ -63,11 +63,12 @@ message GetMemberByUsernameResponse {
 
 // subject = bet.beteran.c2se.backend.member.UpdateMember
 message UpdateMemberRequest {
-  optional string site_id = 1;
-  optional string member_level_id = 2;
-  optional string password = 3;
-  optional string mobile_phone_number = 4;
-  optional bet.beteran.member.MemberState state = 5;
+  string id = 1;
+  optional string site_id = 2;
+  optional string member_level_id = 3;
+  optional string password = 4;
+  optional string mobile_phone_number = 5;
+  optional bet.beteran.member.MemberState state = 6;
 }
 
 message UpdateMemberResponse {
diff --git a/proto/ss/member/member.proto b/proto/ss/member/member.proto
index 8a90838..cd95968 100644
--- a/proto/ss/member/member.proto
+++ b/proto/ss/member/member.proto
@@ -69,11 +69,12 @@ message GetMemberByUsernameResponse {
 // subject = bet.beteran.ss.member.UpdateMember
 message UpdateMemberRequest {
   bet.beteran.core.network.Client client = 1;
-  optional string site_id = 2;
-  optional string member_level_id = 3;
-  optional string password = 4;
-  optional string mobile_phone_number = 5;
-  optional bet.beteran.member.MemberState state = 6;
+  string id = 2;
+  optional string site_id = 3;
+  optional string member_level_id = 4;
+  optional string password = 5;
+  optional string mobile_phone_number = 6;
+  optional bet.beteran.member.MemberState state = 7;
 }
 
 message UpdateMemberResponse {