diff --git a/g/encoding/gbinary/gbinary_test.go b/g/encoding/gbinary/gbinary_test.go
index 2cb64a848..cf85fc3c9 100644
--- a/g/encoding/gbinary/gbinary_test.go
+++ b/g/encoding/gbinary/gbinary_test.go
@@ -14,7 +14,7 @@ import (
 )
 
 var testData = map[string]interface{}{
-	"nil":         nil,
+	//"nil":         nil,
 	"int":         int(123),
 	"int8":        int8(-99),
 	"int8.max":    math.MaxInt8,