Merge branch 'hotfix/pwa' into 'gray'

Hotfix/pwa



See merge request !1491

@@ -69,7 +69,7 @@ const precacheFile = [{
     };
 })).concat(config.precachePage.map(page => {
     return {
-        url: page
+        url: page + '?t=' + qs.t
     };
 })).concat(config.precacheCdnStaticFile.map(file => {
     return {
@@ -116,7 +116,7 @@ workboxSW.router.registerRoute(args => {
         }
 
         // navigate 请求失败后，返回网络异常页面
-        return caches.match('offline.html');
+        return caches.match('offline.html?t=' + qs.t);
     });
 });