Iphone7 too hot and very unfluency

Help & Support
1

I download the app，and then build it。
But when the app runs on Iphone7 and Iphone6s, the app is very unfluency and the iphone become too hot

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2

What do you mean by download app? Do you have a link to your project?

3

publish => download => ios dowload
http://119.29.222.114/COS/index.html

4

I don’t have an iPhone to test with but tried it on my Android Samsung S7 and it loads.

I recommend connecting it to Safari dev tools to see if there are any errors.