1, Fix force close issue when adding remotes.

1, Fit for iOS 13 2, Fix the issue that can't fetch Wi-Fi name.

1, Fix some translation issue when registering.

1, Fit for new iOS system 2,Optimize restore flow

1, Fix some stability issues.

1, Add doorbell alarm

1, Optimize translation of some strings

1, Change Infrared device into IR Box 2, Performance optimization.

1, Fix the issue of adding IR box 2, Fix the notification of lock

1, Update some protocols for some devices

1, Optimize the adding flow for gateway version lock

1, Fix the state issue of savekey switches

1, Modify the entrance of AP Link

1, Fix the bug of central AC controller.

1, Fit for iOS12 2, Fix the bug that failed to add switches

1, Update EZVIZ SDK and support sound and AP connect methods.

1, Add a new smart gas stove.

1, Optimize Savekey switches

1, Fix the switch issue and so on

1, Fix issues of Savekey Switch

1, Fit for iPhoneX 2, Fix bug of LED light

1, support gateway lock

1, Optimize the connection issue of lock; 2, Translate door notification of some languages.

1, Fit for iPhoneX 2, Update camera SDK 3, Add wifi connect method for wall socket.

1, Fit for iPhoneX 2, Fix issues on control page