How long will Apple's "customized version" hold back the decline in performance in China?

Apple is trying to bring more third-party partners into its alliance.

In the early morning of June 14, Apple held the Apple World Developers Conference (WWDC), at which Apple launched a new iOS 10 system, which was stolen by many third-party applications from China.

Behind the launch of Apple's "China Custom Edition" system, Apple is facing a downturn in the performance of the Chinese market. How much change can opening up more third-party applications bring to Apple's performance in the Chinese market?