屏幕截屏
diff --git a/www/js/qrcode.js b/www/js/qrcode.js
index 2b06b32..016f2d7 100644
--- a/www/js/qrcode.js
+++ b/www/js/qrcode.js
@@ -26,6 +26,8 @@
                e.preventDefault();
                app.backTo();
             }, false);
+
+        window.plugins.preventscreenshot.disable(function(ret){}, function(ret){});
     },
     loadQrcode: function() {
         $.showLoading("加载中");