code refactor

src/mobile-main.js

@@ -128,8 +128,6 @@ new Vue({
             if (event.key === 'Escape' || event.key === 'Esc' || event.keyCode === 27 || event.which === 27) {
                 if (document.querySelectorAll('.modal-in').length > 0) {
                     app.dialog.close();
-                    app.sheet.close();
-                    app.popup.close();
                     return false;
                 }
             }