offline-png

@@ -11,8 +11,7 @@ const config = {
         // /^https:\/\/(.*)static\.yhbimg\.com/i
     ],
     precachePage: [
-        '/offline.html',
-        'https://cdn.yoho.cn/pwa/404.png'
+        '/offline.html'
     ],
     precacheStaticFile: [
         '/index.css',
@@ -21,6 +20,9 @@ const config = {
         '/font/iconfont.woff',
         '/common.offline.js',
         '/common.offline.css'
+    ],
+    precacheCdnStaticFile: [
+        'https://cdn.yoho.cn/pwa/404.png'
     ]
 };
 const qs = parseQs(self.location.search.substr(1));
@@ -52,6 +54,10 @@ const precacheFile = [{
     return {
         url: page
     };
+})).concat(config.precacheCdnStaticFile.map(file => {
+    return {
+        url: file
+    };
 }));
 
 // 预加载文件