导航文案修改

lib/utils/captcha_util.dart

@@ -11,7 +11,7 @@ abstract class CaptchaUtil {
     return await Navigator.push(context, PageRouteBuilder(
       pageBuilder: (context, animation, secondaryAnimation) {
         final CustomController customController = CustomController.loadRequest(
-            requestedUrl: Uri.parse(uri), title: 'Captcha');
+            requestedUrl: Uri.parse(uri), title: '验证码');
         customController.setJavaScriptChannels(JavaScriptChannel(
           name: 'H5CallFlutterInterface',
           callback: (message) async {