Cocos2d-Html5 resources dowload problem

Hello
Thanks for your reading my description
I am developing Html5 Games by cocos2d-js
my game works very good on my local pc
But after setting on online server, it has one problem because network speed
if network speed is very slowly, resources don’t download exactly
and my game doesn’t work

So I want to know how can i fix resource download issue in cocos2d-html5
Please help me, bro
Regards