diff --git a/apps/efka/include/message_pb.hrl b/apps/efka/include/message_pb.hrl
index 9698fbb..6aa36e0 100644
--- a/apps/efka/include/message_pb.hrl
+++ b/apps/efka/include/message_pb.hrl
@@ -82,7 +82,8 @@
 -define('DATA_PB_H', true).
 -record(data,
         {service_id = <<>>      :: unicode:chardata() | undefined, % = 1, optional
-         metric = <<>>          :: unicode:chardata() | undefined % = 2, optional
+         device_uuid = <<>>     :: unicode:chardata() | undefined, % = 2, optional
+         metric = <<>>          :: unicode:chardata() | undefined % = 3, optional
         }).
 -endif.
 
diff --git a/message_pb.proto b/message_pb.proto
index c332cc8..57fd56e 100644
--- a/message_pb.proto
+++ b/message_pb.proto
@@ -57,8 +57,9 @@ message ServiceMetrics {
 // 数据传输
 message Data {
     string service_id = 1;
+    string device_uuid = 2;
     // measurement[,tag_key=tag_value...] field_key=field_value[,field_key2=field_value2...] [timestamp]
-    string metric = 2;
+    string metric = 3;
 }
 
 //#{<<"adcode">> => 0,<<"boot_time">> => 18256077,<<"city">> => <<>>,