订单结算修改，增加限时折扣

uni_modules/wmf-code/components/w-qrcode/w-qrcode.vue

@@ -1,6 +1,7 @@
 <template>
 	<view @longtap.stop="longtap">
 		<canvas 
+		class="canvas"
 			:width="info.destWidth" 
 			:height="info.destHeight" 
 			:canvas-id="item.id" 
@@ -173,4 +174,9 @@
 		}
 	}
 </script>
-<!-- #endif -->
+<!-- #endif -->
+ <style scoped>
+.canvas{
+	opacity: 0;
+}
+</style>