feat 增加返回按钮

src/views/bestcovered/index.vue

@@ -11,7 +11,10 @@
       class="footer-box"
     >
       <div class="btn-box">
-        <div class="btn">
+        <div
+          class="btn"
+          @click="handleNavBack"
+        >
           <span>开始训练</span>
         </div>
       </div>
@@ -25,7 +28,7 @@ export default {
   data() {
     return {
       url: '',
-      showBtn: false,
+      showBtn: true,
       content: '',
       timer: null,
       yunOrderNo: '',
@@ -59,6 +62,13 @@ export default {
         });
       }, 1000);
     },
+    handleNavBack() {
+      if (window._miniprogram) {
+        this.$rocNative.WXInstance.miniProgram.navigateBack();
+      } else {
+        this.$toast('请在小程序中查看');
+      }
+    },
   },
 };
 </script>