我按照課程上的發(fā)送評(píng)論但是每次控制臺(tái)都會(huì)報(bào)errorsocket?hang?up，代碼和視頻上的講的一樣，請(qǐng)問這是什么原因？

/**
?*?Created?by?hp?on?2017/3/19.
?*/
var?http=require('http');
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var?postData=querystring.stringify({
???'content':'老師講的挺好',
???'cid':348
});
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};
var?req=http.request(options,function(res){
????console.log('status+'+res.statusCode)
????res.on('data',function(chunk){
????????console.log('正在返回')
????});
????res.on('end',function(){
????????console.log('評(píng)論完畢')
????})
});
req.on('error',function(e){
????console.log('error'+?e.message)
});
req.write(postData);
req.end();