修改返回物理键隐藏大图

packages/components/ShowPicture/showpicture.vue

@@ -173,10 +173,14 @@ export default {
 
   mounted () {
     this.$el.setAttribute('vum-show-picture', '')
+     if (window.history && window.history.pushState) {
+      window.addEventListener('popstate', this.hide, false);//false阻止默认事件
+    }
   },
 
   destroyed () {
     document.body.removeChild(this.$el)
+    window.removeEventListener('popstate', this.hide, false);//false阻止默认事件
   },
 
   methods: {