通过ws的jssdk 获取到的serverId，然后通过curl 下载图片，无法正常打开？ jssdk 1.6.0 https://github.com/yanxi-com/weixin-js-sdk.git https://api.weixin.qq.com/cgi-bin/media/get?access_token=87_GWFNnxUEmUtysjjJ88IQ8a3fibVjsyFZad_NR17d9omD3dRFHGa6ICMAZz06sS1g3Of_T4v4mwuY5CumnY-9tmnNlK_fdy3LiZBNYV8tn-jN1ZWdsGUAjIsIXm9Fl-r_v3L6YRSBjfQ2BuWDFONeADDNWV&media_id=NhsoN8mf-GjyfDweNQMrTi9C_V3exTYMTsrMJuG0sjwSLaprvi2tmyu9fhyCuu7P https://api.weixin.qq.com/cgi-bin/media/get?access_token=87_GWFNnxUEmUtysjjJ88IQ8a3fibVjsyFZad_NR17d9omD3dRFHGa6ICMAZz06sS1g3Of_T4v4mwuY5CumnY-9tmnNlK_fdy3LiZBNYV8tn-jN1ZWdsGUAjIsIXm9Fl-r_v3L6YRSBjfQ2BuWDFONeADDNWV&media_id=NhsoN8mf-GjyfDweNQMrTgeSt_Eo7U7nCS9I1X17QqWeqtJu3Bnlvq14j3TzBTVw