修改化验辅检收起图标

src/css/indexHorizontal.less

@@ -107,15 +107,12 @@
     top: 0px;
     right: 0px;
     cursor: pointer;
-    line-height: 10px;
+    line-height: 20px;
     box-shadow: -2px 0px 15px 0px #fff;
-    i {
-        width: 20px;
-        height: 2px;
+    img {
         display: inline-block;
         position: relative;
-        top: 0px;
-        background: url('../images/collapse.png') center center no-repeat;
+        top: 2px;
     }
 }
 .itemAllBox{

src/js/indexHorizontalDom.js

@@ -88,7 +88,7 @@ function renderMultRecommendInfo(icon, className,title,data, hasInfo, type, posi
             <h4>${data[i].title}:</h4>
             <div class="itemAll">
                 ${childrenNodeItemStrAll}
-                <span class="slideup"><i></i></span>
+                <span class="slideup"><img src="${collapseImg}"></span>
             </div>
         </div>`