支付宝小程序、微信小程序输出到不同dist目录；一些小调整

miniprogram/src/pages/residents/code.css

@@ -15,7 +15,7 @@
 
 #myQrcode {
   display: block;
-  margin: 0 auto;
+  margin: 30px auto;
 }
 
 #show-text {

miniprogram/src/pages/residents/code.vue

@@ -2,7 +2,7 @@
   <view id="codeView" :style="{ display: isShow }">
     <view id="user-text"><text>{{ userText }}</text></view>
     <view id="time-text"><text>{{ time }}</text></view>
-    <canvas type="2d" style="width: 70vw; height: 70vw;" id="myQrcode"></canvas>
+    <canvas type="2d" style="width: 250px; height: 250px;" id="myQrcode"></canvas>
     <view id="show-text"><text :style="{ color: showTextColor }">{{ showText }}</text></view>
     <view id="small-text"><text>下拉可刷新</text></view>
   </view>
@@ -40,6 +40,7 @@ export default {
     console.log('onHide')
     clearInterval(this.timeInterval);
     this.isShow = 'none'
+    this.time = ''
   },
 
   onPullDownRefresh() {
@@ -47,6 +48,7 @@ export default {
     Taro.showNavigationBarLoading();
     clearInterval(this.timeInterval);
     this.isShow = 'none'
+    this.time = ''
     this.userInfo = Taro.getStorageSync("userInfo");
     if (!this.userInfo) {
       Taro.redirectTo({
@@ -112,7 +114,7 @@ export default {
             canvas: canvas,
             canvasId: 'myQrcode',
             width: 260,
-            padding: 30,
+            padding: 0,
             background: '#ffffff',
             foreground: foreground,
             text: text,