diff --git a/parser_test.go b/parser_test.go
index 28d3bf4..7bb41be 100644
--- a/parser_test.go
+++ b/parser_test.go
@@ -54,7 +54,7 @@ func (tt *Toutiao) ToDoParser(adstring string) (string, error) {
 		log.Println(result.String())
 		if result.Get("mixed").Exists() {
 			log.Println("this is mixed")
-			log.Println(result.Get("mixed.track_url"))
+			log.Println(result.Get("mixed.track_url").Exists())
 		}
 
 		json.Unmarshal([]byte(data), &v)