diff --git a/profile/Profile.proto b/profile/Profile.proto
index 3abdb3a..988c819 100644
--- a/profile/Profile.proto
+++ b/profile/Profile.proto
@@ -36,7 +36,9 @@ service ProfileTask {
     // collect dumped thread snapshot
     rpc collectSnapshot (stream ThreadSnapshot) returns (Commands) {
     }
-
+    // collect bytes profile data from go agent
+    rpc goProfileReport (stream GoProfileData) returns (Commands) {
+    }
     // report profiling task finished
     rpc reportTaskFinish (ProfileTaskFinishReport) returns (Commands) {
     }
@@ -80,3 +82,12 @@ message ProfileTaskFinishReport {
     // profile task
     string taskId = 3;
 }
+
+// profile for go agent
+message GoProfileData{
+    string taskId = 1;
+    // the truly profile data
+    bytes payload = 2;
+    // check last part true or false
+    bool isLast = 3;
+}