The new firmware is suit for FI9821W V2.

System firmware version: 1.4.1.9
App firmware version: 2.11.2.8
Plug-in version: 2.0.2.10


Improvements:
1) Protect all the characters involved in the code decryption, username, password;
2) Fixed the bug that visitor and operator can brower to Settings interface if not install the plug in.

