The test can be returned normally, and the results are normal, but the official account keeps prompting: "The service provided by this official account is faulty, please try again later."

It took me an entire afternoon, and I had no choice but to come here. Help, help

http://119.45.5.37/wechat/wechat.php

##Return result:

200 OK

Connection: Keep-Alive

Date: Mon, 01 Jun 2020 12:51:08 GMT

X-Powered-By: PHP/5.6.40

Server : Apache/2.4.37 (Win64) PHP/5.6.40

Content-Type: text/html; charset=UTF-8

Content-Length: 353

1591015869 0

#$postStr = isset($GLOBALS[' HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : file_get_contents("php://input");$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);$fromUsername = $postObj->FromUserName;$ toUsername = $postObj->ToUserName;$keyword = trim($postObj->Content);$msgType = $postObj -> MsgType;$time = time();$textTpl = " ; ; ;MsgType> ";$msgType = "text";$contentStr = "Hello";$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);echo $resultStr;