From a3b4e2709d12ff7d0130f03035ca39eea8d7751d Mon Sep 17 00:00:00 2001
From: softcup <softcup@gmail.com>
Date: Fri, 28 Mar 2014 11:52:11 +0800
Subject: [PATCH] fixed appCache.update error. InvalidStateError: Failed to
 execute 'update' on 'ApplicationCache': there is no application cache to
 update.

---
 app/index.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/index.html b/app/index.html
index a3cfb14c..23138db0 100644
--- a/app/index.html
+++ b/app/index.html
@@ -31,7 +31,11 @@
         scheduleUpdate = function (delay) {
           clearTimeout(updateTimeout);
           updateTimeout = setTimeout(function () {
-            appCache.update();
+            try {
+              appCache.update();
+            } catch (ex) {
+              console.log('appCache.update: ' + ex);
+            }
           }, delay || 300000);
         },
         attach = function () {