diff --git a/src/view/yl.vue b/src/view/yl.vue
index 92244bf..c24ed2a 100644
--- a/src/view/yl.vue
+++ b/src/view/yl.vue
@@ -377,7 +377,7 @@ const change = (name, index) => {
 .left_bg {
   width:642px;
   box-sizing: border-box;
-  width: 100%;
+  height:100%;
   padding-left:50px;
   margin-right:28px;
   background-image: url(@/assets/images/left_bg.png);