fix _http_post
fix _http_post

virqin/sinaweibopy,wandouqiang/sinaweibopy,xingguang2013/sinaweibopy,weixiaofeng1987/test,foolself/sinaweibopy,liujianpc/sinaweibopy,ZhQYuan/sinaweibopy,CodeJuan/sinaweibopy,shengnwen/sinaweibopy,fiona22/sinaweibopy,frankblack7410/sinaweibopy,lynnegithub/sinaweibopy,michaelliao/sinaweibopy,ymero/sinaweibopy,JayYangSS/sinaweibopy,qazmichaelgw/sinaweibopy