添加向后兼容协议

server/tools/protobuild/cs_proto.proto

@@ -78,7 +78,11 @@ message MFFriendApply
 }
 
 //登录好友服
-message CMLogin
+message CMLoginCommonHead
+{
+    optional int32 server_id = 1; //保留
+}
+message CMLoginOld
 {
     optional string account_id = 3; //账号id
     optional string session_id = 20; //sessionid
@@ -86,6 +90,17 @@ message CMLogin
     optional string avatar_url = 5; //头像
     optional int32 sex = 6; //性别
 }
+message CMLogin
+{
+    optional int32 server_id = 1; //保留(定死传1)
+    optional string reserved2 = 2; //保留
+    optional string account_id = 3; //账号id
+    optional string session_id = 20; //sessionid
+    optional string nickname = 4; //昵称
+    optional int32 proto_version = 5; //协议版本号Constant_e.ProtoVersion
+    optional int32 sex = 6; //性别
+    optional string avatar_url = 7; //头像
+}
 //登录回复
 message SMLogin
 {