diff --git a/pages/cart/cart/cart.js b/pages/cart/cart/cart.js
index 586e425..b7887ce 100644
--- a/pages/cart/cart/cart.js
+++ b/pages/cart/cart/cart.js
@@ -2209,7 +2209,10 @@ Page({
 
         car[a].zh_map = null;
         car[a].ladder_map = null;
-        car[a].need_list = [];
+
+        var txt = "requestData[" + a + "].need_list";
+        //car[a].need_list = [];
+        th.setData({[txt]:[]});
 
 
         var item = car[a].goods,