修改手机号登录指引的链接

lib/ui/pages/login_phone_page.dart

@@ -476,7 +476,7 @@ class LoginPhonePage extends StatelessWidget {
                     ..onTap = () {
                       router.push(
                         '/link',
-                        extra: {'url': 'https://bxr.banxiaoer.net/apps/privacysettings.html', 'title': '隐私保障'},
+                        extra: {'url': 'https://bxr.banxiaoer.net/apps/phoneGuide.html', 'title': '手机号登录指引'},
                       );
                     },
                 ),