将Storage结果返回值返回为bool

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;
 }