This update: 1. Add a white list. All new devices are selected by default. 2. Optimize scenario execution logic (with the latest host) and add scenario execution logic test. 3. Unified scene selection interface. 4. Modify the error handling of some equipment. 5. When the networking status is not completed, some states are allowed to force the next step. 6. Optimize the pop-up effect of modal view. 7. Add fault tolerance processing in the program.

1. Add judgment and switching function to support cloud mode switching. 2. Open the mqtt connection. 3. Optimize the file management of downloading and upgrading files, and enhance the processing of special characters. 4. Modify the upper limit of single write amount of ifttt list data. 5. After sending the host response of distribution network information, return to the upper level interface. 6. Return to the root interface after the factory is restored, and remove the current gateway record in the gateway list to be compatible with the old host. 7. Modify the text prompt. 8. Modify the timing sorting logic.

1，Fixed the problem that the search host could not be broadcast in a higher version of the operating system.