diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index 9430ca6..a66b2f6 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -691,7 +691,7 @@ message SMJoinedNotify
     optional int32 map_type = 5; //目前没用到
     optional bool elo_start = 6; //目前没用到
 
-    optional int32 error_code = 7; //错误
+    optional int32 error_code = 7; //错误 1:服务器维护中 2：服务器繁忙请稍后再进入
 }
 
 //地图信息