diff --git a/js/start.js b/js/start.js
index de14b6e..c35d378 100644
--- a/js/start.js
+++ b/js/start.js
@@ -200,9 +200,18 @@ function nav(num) {
 //console.log(num);
 	$('.mui-tab-item span .img').each(function(a) {
 		if (num == a) {
-			$(this).attr('src', 'http://img.zgqlg.com.cn/static/app2/img/nav_' + a + '_1.png?version='+localStorage.getItem('version'));
+			if(a == 2){
+				$(this).attr('src', './img/2_1.png');
+			}else{
+				$(this).attr('src', 'http://img.zgqlg.com.cn/static/app2/img/nav_' + a + '_1.png?version='+localStorage.getItem('version'));
+			}
 		} else {
-			$(this).attr('src', 'http://img.zgqlg.com.cn/static/app2/img/nav_' + a + '_0.png?version='+localStorage.getItem('version'));
+			if(a == 2){
+				$(this).attr('src', './img/2_0.png');
+			}else{
+				$(this).attr('src', 'http://img.zgqlg.com.cn/static/app2/img/nav_' + a + '_0.png?version='+localStorage.getItem('version'));
+			}
+			
 		}
 	})