diff --git a/libraries/mogo-adas-data/src/main/proto/message_pad.proto b/libraries/mogo-adas-data/src/main/proto/message_pad.proto
index b17ebb4f8c..f45721f86c 100644
--- a/libraries/mogo-adas-data/src/main/proto/message_pad.proto
+++ b/libraries/mogo-adas-data/src/main/proto/message_pad.proto
@@ -559,7 +559,7 @@ message CarConfigResp
     string carType = 9; //车辆类型
     string subCarType = 10; //车辆子类型
     string vinCode = 11;//车辆vin码 taxi: 420 bus: 440
-    string cityCode = 12;//城市
+    string cityCode = 12;//城市 bus561开始支持
     reserved 13 to 100;
     int32 mapVersion = 101;//dockVersion解析出版本号，仅用于版本对比，解析失败为-1。例如："MAP-taxi_RoboTaxi_df_2.8.0.3_20220928_test" 解析结果为：20800
     bool isBus = 102;//是否是Bus