Merge branch 'dev/v4.9.71_wmh' of qmx/jy into feature/v4.9.71

src/web/staticres/common-module/active/exchange/exchange.js

@@ -199,7 +199,6 @@ var exchangeV = new Vue({
             }
             _this.$toast('二维码已成功保存至相册')
           } catch (e) {
-            _this.$toast('二维码保存失败')
           }
         }
         img.onerror = function () {