fix: 处理海报兼容问题

src/components/sharePic.vue

@@ -159,6 +159,16 @@ export default {
         }
       });
     },
+    randomString(e) {
+      e = e || 10;
+      let t = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';
+      let a = t.length;
+      let n = '';
+      for (let i = 0; i < e; i++) {
+        n += t.charAt(Math.floor(Math.random() * a));
+      }
+      return n;
+    },
     async createAndUploadPic(sharePicData) {
       this.sharePicData = sharePicData;
       let endTime = sharePicData.endTime ? sharePicData.endTime.split(' ')[0] : '';
@@ -176,9 +186,10 @@ export default {
           width: 1080,
           height: 1920,
           useCORS: true,
-          scale: 3,
+          scale: 1,
           allowTaint: false
         }).then(function(canvas) {
+          canvas.name = `${_this.randomString}`.jpeg;
           canvas.toBlob(
             blob => {
               const observable = upload(blob, null, token);