https://developers.weixin.qq.com/doc/aispeech/platform/nlp/translate.html
"message"=>
"500 - \"500 Internal Server Error\\n\\nServer got itself in trouble\"",
"error"=>
"500 Internal Server Error\n" + "\n" + "Server got itself in trouble",
"uri"=>"http://9.141.138.109:80/translate/cn2en",
"json"=>true,
"body"=>{"content"=>"今天很开心"},
"simple"=>true,
