diff --git a/plugin_test.go b/plugin_test.go
index 7e4ff8ac..41e37684 100644
--- a/plugin_test.go
+++ b/plugin_test.go
@@ -14,11 +14,7 @@ import (
 
 func TestMain(m *testing.M) {
 	fmt.Println("[TestMain] build go plugin")
-	// go tool compile -help
-	// all=: apply to all packages
-	// -N: disable optimizations
-	// -l: disable inlining
-	cmd := exec.Command("go", "build", "-buildmode=plugin", `-gcflags="all=-N -l"`, "-o=examples/debugtalk.so", "examples/plugin/debugtalk.go")
+	cmd := exec.Command("go", "build", "-buildmode=plugin", `-race`, "-o=examples/debugtalk.so", "examples/plugin/debugtalk.go")
 	if err := cmd.Run(); err != nil {
 		panic(err)
 	}