腾讯云，云点播，小程序上传视频 报 data: {code: 10012, message: "ugc upload | signature verify error"}

小程序代码：https://cloud.tencent.com/document/product/266/18177

签名代码：https://cloud.tencent.com/document/product/266/10638

js代码如下

  getSignature: function (callback) {
    wx.request({
      //url: 'https://xzb.qcloud.com/get_vod_sign',
      //url: "http://192.168.2.29:5000/api/ShortVideo/GetUploadSignature",
      url:"http://localhost:5000/weatherforecast/GetUploadSignature",
      method: 'POST',
      /*data: {
        Action: 'GetVodSignatureV2'
      },*/
      dataType: 'json',
      success: function (res) {
        console.log(res);
        /*if (res.data && res.data.data.signature) {
           console.log("callback:"+res.data.data.signature)
           callback(res.data.data.signature);
         } else {
           return '获取签名失败';
         }*/