diff --git a/pkg/util/xfieldmask/helloworld.pb.go b/pkg/util/xfieldmask/helloworld.pb_test.go
similarity index 100%
rename from pkg/util/xfieldmask/helloworld.pb.go
rename to pkg/util/xfieldmask/helloworld.pb_test.go
diff --git a/pkg/util/xfieldmask/helloworld.proto b/pkg/util/xfieldmask/helloworld.proto
deleted file mode 100644
index db48b67bdb..0000000000
--- a/pkg/util/xfieldmask/helloworld.proto
+++ /dev/null
@@ -1,47 +0,0 @@
-syntax = "proto3";
-
-option go_package = "github.com/douyu/jupiter/xfieldmask;xfieldmask";
-
-package xfieldmask;
-
-// The greeting service definition.
-service GreeterService {
-  // Sends a hello greeting
-  rpc SayHello (SayHelloRequest) returns (SayHelloResponse) {}
-}
-// The request message containing the user's name.
-message SayHelloRequest {
-  // name ...
-  string name = 1;
-}
-
-// The response message containing the greetings
-message SayHelloResponse {
-  // Data is the data to be sent.
-  message Data {
-    // name of the user
-    string name = 1;
-    // age_number is the age number.
-    uint64 age_number = 2;
-    // sex is the user's sex
-    Sex sex = 3;
-    // metadata is the user's metadata
-    map<string,string> metadata = 4;
-  }
-  // error
-  uint32 error = 1;
-  // msg
-  string msg = 2;
-  // data ...
-  Data data = 3;
-}
-
-// Sex
-enum Sex {
-  // SEX_UNSPECIFIED ...
-  SEX_UNSPECIFIED = 0;
-  // SEX_MALE ...
-  SEX_MALE = 1;
-  // SEX_FEMALE ...
-  SEX_FEMALE = 2;
-}