样式调整以及定时器销毁处理

 import router from '../router/router';
 
+let timer;
+
 Component({
   properties: {
     product: {
@@ -17,7 +19,7 @@ Component({
     });
     //放大缩小循环动画
     var next = true;
-    setInterval(function () {
+    timer = setInterval(function () {
       if (next) {
         animation.scale(1.05).step()   
         next = !next;
@@ -30,6 +32,10 @@ Component({
       })
     }.bind(this), 400)
   },
+  detached: function() {
+    clearInterval(timer);
+  },
+
   methods: {
     onClick() {
       router.go('detail', {

@@ -107,5 +107,10 @@ page {
 }
 
 .my-draw-code-text {
-  font-size: 26rpx;
+  font-family: PingFangSC-Medium;
+  font-weight: bold;
+  font-size: 28rpx;
+  color: #444444;
+  letter-spacing: 0;
+  text-align: center;
 }
\ No newline at end of file