修改我的页面，设置页面样式，优化重新登录逻辑

lib/pages/setting/setting_page.dart

@@ -130,7 +130,7 @@ class SettingPage extends StatelessWidget {
                     );
                   },),
 
-                  TDCell(arrow: true, title: '退出登录', titleWidget: Text(
+                  TDCell(arrow: true, titleWidget: Text(
                     "账号注销",
                     style: TextStyle(
                       color: const Color.fromRGBO(248, 85, 66, 1),
@@ -145,7 +145,7 @@ class SettingPage extends StatelessWidget {
                           double> animation,
                           Animation<double> secondaryAnimation) {
                         return TDAlertDialog(
-                            title: '是否退出当前账号？',
+                            title: '是否注销当前账号？',
                             buttonWidget: Container(
                               padding: EdgeInsetsGeometry.only(top: 16.w,
                                   right: 30.w,