diff --git a/skywalking-network/src/main/proto/SpanStorageService.proto b/skywalking-network/src/main/proto/SpanStorageService.proto
index 406595112d15ddc4fdde2f9ba34c6eef723a30d3..24fcc07eac1a240a9bf88916fbf503ef0441be49 100644
--- a/skywalking-network/src/main/proto/SpanStorageService.proto
+++ b/skywalking-network/src/main/proto/SpanStorageService.proto
@@ -6,13 +6,13 @@ option java_package = "com.a.eye.skywalking.network.grpc";
 import "Spans.proto";
 
 service SpanStorageService {
-    rpc storageACKSpan(stream AckSpan) returns (SendResult) {
+    rpc storageACKSpan (stream AckSpan) returns (SendResult) {
     };
-    rpc storageRequestSpan(stream RequestSpan) returns (SendResult) {
+    rpc storageRequestSpan (stream RequestSpan) returns (SendResult) {
     };
 }
 
 message SendResult {
     // 0 成功  1 失败
-    int32 result = 1;
+    bool result = 1;
 }