diff --git a/js/javascript.js b/js/javascript.js
index 578c121..aedfd99 100644
--- a/js/javascript.js
+++ b/js/javascript.js
@@ -235,5 +235,11 @@ jQuery(function($){
 		$(this).removeClass('active');
 	    $('.head .head-btn').removeClass('cur');
 	    $('.head .nav').removeClass('active');
-	});
+	});
+	
+	// 显示隐藏二维码
+	$('.serve-survey .openImg').hover(function(){
+		$('.serve-survey .openEwm').toggleClass('cur');
+	});
+	
 })