diff --git a/components/diy_pingd_buy/diy_pingd_buy.js b/components/diy_pingd_buy/diy_pingd_buy.js
index 837b4e1..6957bd9 100644
--- a/components/diy_pingd_buy/diy_pingd_buy.js
+++ b/components/diy_pingd_buy/diy_pingd_buy.js
@@ -222,7 +222,7 @@ Component({
     bind_bnerr3: function (e) {
       var _errImg = e.target.dataset.errorimg;
       var _Img = e.target.dataset.img;
-      if (_Img != undefined) {
+      if (_errImg != undefined) {
         var _errObj = {};
         _errObj[_errImg] = "/public/images/default_goods_image_240.gif";
         this.setData(_errObj) //注意这里的赋值方式,只是将数据列表中的此项图片路径值替换掉 ;