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 87008d10c4..ef5eaf508c 100644
--- a/libraries/mogo-adas-data/src/main/proto/message_pad.proto
+++ b/libraries/mogo-adas-data/src/main/proto/message_pad.proto
@@ -6,7 +6,7 @@ import "geometry.proto";
 enum ProtocolVersion
 {
     Defaultver = 0;
-    CurrentVersion = 12; //每次修改proto文件增加1
+    CurrentVersion = 10; //每次修改proto文件增加1
 }
 
 enum MessageType
@@ -141,10 +141,21 @@ message TrackedObject
     string strUuid = 101;//String类型车辆ID
 }
 
+
+message LocalizationInfo{
+  double stamp = 1; //seconds
+  float longitude = 2;
+  float latitude = 3;
+  float alt = 4;
+  float heading = 5;
+}
+
 message BlindAreaData
 {
-    float angleResolution = 1;
-    repeated int32 distances = 2;
+    float angleResolution = 1; //degrees
+    repeated int32 distances = 2; //unit: cm
+    LocalizationInfo localizationInfo = 3;
+    float maxRange = 4;  //unit: m
 }
 
 message TrackedObjects
@@ -617,4 +628,4 @@ message PlanningCmd
 //refer to param_set_cmd.proto for details
 
 //message definition for MsgTypeBackCameraVideo
-//payload:jpeg data 
+//payload:jpeg data