diff --git a/components/diy_advertising/diy_advertising.js b/components/diy_advertising/diy_advertising.js
index 2fabf60..17bda28 100644
--- a/components/diy_advertising/diy_advertising.js
+++ b/components/diy_advertising/diy_advertising.js
@@ -50,7 +50,7 @@ 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) {