diff --git a/utils/file_util.h b/utils/file_util.h
index 206355f821e8be3e8dd7fd42b9ec6440abb15c0b..a75933a79f57d84a90ff14d5a4dababf9d23f7ce 100644
--- a/utils/file_util.h
+++ b/utils/file_util.h
@@ -61,6 +61,7 @@ static void Deleter(struct NameListArg *arg)
         (arg->namelist)[i] = nullptr;
     }
     free(arg->namelist);
+    HILOG_ERROR("arg->namelist is nullptr");
     delete arg;
     arg = nullptr;
 }