Merge pull request '修复了返回黑屏' (#327) from xbx into master

Reviewed-on: http://git.luyuan.tk/luyuan/deming/pulls/327

pages/zhibo/index.nvue

@@ -346,6 +346,13 @@ export default {
       });
       return false;  
   },
+  onShow(){
+    if(this.url != '' && this.url){
+      let url = this.url
+      this.url = ""
+      this.url = url
+    }
+  },
   onLoad(a) {
   
     this.url = a.url;