diff --git a/components/diy_advertising/diy_advertising.js b/components/diy_advertising/diy_advertising.js
index c0245df..b2a4786 100644
--- a/components/diy_advertising/diy_advertising.js
+++ b/components/diy_advertising/diy_advertising.js
@@ -33,9 +33,8 @@ Component({
       //宽高比
       var ratio = imgwidth / imgheight;
       //计算的高度值
-      var viewHeight = 715 / ratio;
+      var viewHeight = 750 / ratio;
       var hei=this.data.max_sw_height;
-
       if (hei< viewHeight) {
           this.setData({ max_sw_height: viewHeight });
        }