diff --git a/apm-network/src/main/proto/TraceSegmentService.proto b/apm-network/src/main/proto/TraceSegmentService.proto
index da9e216db..423b2377e 100644
--- a/apm-network/src/main/proto/TraceSegmentService.proto
+++ b/apm-network/src/main/proto/TraceSegmentService.proto
@@ -6,7 +6,7 @@ option java_package = "org.skywalking.apm.network.trace.proto";
 import "Downstream.proto";
 
 service TraceSegmentService {
-    rpc collect (stream TraceSegmentObject) returns (Downstream) {
+    rpc collect (stream UpstreamSegment) returns (Downstream) {
     }
 }