src375af9.js:2838 Uncaught URIError: URI malformed     at decodeURIComponent (<anonymous>)     at Object.showResult (src375af9.js:2838)     at Object.addNewResult (src375af9.js:2614)     at callbackagent?url=https%3A%2F%2Fblog.quietguoguo.com%2F%3Fwechat_official:31     at callbackagent?url=https%3A%2F%2Fblog.quietguoguo.com%2F%3Fwechat_official:33 showResult @ src375af9.js:2838 addNewResult @ src375af9.js:2614 (anonymous) @ callbackagent?url=https%3A%2F%2Fblog.quietguoguo.com%2F%3Fwechat_official:31 (anonymous) @ callbackagent?url=https%3A%2F%2Fblog.quietguoguo.com%2F%3Fwechat_official:33

微信公众号发来的消息解密成功，消息处理完成后发送加密信息给微信公众号保错“该公众号提供的服务出现故障，请稍后重试”，发送明文消息正常。 原始内容： <xml> <ToUserName><![CDATA[os19ow5gXgKrCZPPB8ro41Lp6WiQ]]></ToUserName> <FromUserName><![CDATA[gh_eb1a8d2cd8a4]]></FromUserName> <CreateTime>1588553243</CreateTime> <MsgType><![CDATA[text]]></MsgType> <Content><![CDATA[笨笨的机器人暂时无法理解您的请求，请输入【验证码】查看最新验证消息！]]></Content> <FuncFlag>0</FuncFlag> </xml> 加密内容： <xml> <Encrypt><![CDATA[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]]></Encrypt> <MsgSignature><![CDATA[fbebfd1e026a7bb1bac05774e5f663accea04d60]]></MsgSignature> <TimeStamp>1588553243</TimeStamp> <Nonce><![CDATA[625072188]]></Nonce> </xml>

微信公众号(订阅号)如何判断请求来自微信服务器啊？网上说 HTTP_USER_AGENT 里判断 "MicroMessenger"，但是我看了下 POST 请求只有"Mozilla/4.0" 没有 "MicroMessenger" 啊。