1.Application Optimization.
2.Fix known bugs.

1. Modify BUG

1. Application optimization.
2. Fix known problems.

1.Application optimization.
2.Fix known issues.

1.Application optimization.
2.Fix known issues.

1.Application optimization.
2.Fix known issues.

1.Fix known issues.
2.Optimize the application.

1.Fix known issues.
2.Optimize the application.

1.Fix known issues.
2.Optimize the application.

1.Fix known issues.
2.Optimize the application.

1. Application optimization.
2. Modify known bugs.

1. Repair the discovered BUG.
2. Application optimization.

1.Fix known bugs.

1.Support new device models.
2.Client multi-language optimization.

1.Client function optimization.

1. Client optimization

1. The device of the new solution supports button photography
2. Compatible with systems above IOS13.0

1.Bug fixes and performance improvements..

1.Client optimization.

1.Client optimization.

Revision:
1. Optimizing Multilingualism
2. Supporting new solutions
3. Optimizing Playing Video in 13.0 System

1.Client optimization.

1.Client optimization.

1.Client optimization.

1.Client optimization.