新增：
安全管理功能，手势进入自由选择
优化：
界面风格更新，交互更加流畅
1.Change the app name to "SmartLockBT";
2.Update some characters;
修复bug
修复bug
Easy4key can implement bluetooth unlock,it is a eKey of your smartlock.
You can use it to access or share a access code to your friends.