hangtong callbcak file update

mobile/callback/refill_hangtong.php

@@ -2,9 +2,7 @@
 
 $content = $_SERVER['post_content'];
 
-$inputs = json_decode($content,true) ?? [];
-foreach ($inputs as $input) {
-    refill\util::push_notify('hangtong',$input);
-}
+$input = json_decode($content,true);
+refill\util::push_notify('hangtong',$input);
 
 echo ('SUCCESS');