no message

pages/mall/search-list/index.js

@@ -97,9 +97,11 @@ Page({
       util.showToast('请输入要搜索的关键字')
       return
     }
-    if(!util.isEmpty(this.data.form.searchKey) && rearchStringList.indexOf(this.data.form.searchKey) < 0){
-      rearchStringList.splice(0, 0, this.data.form.searchKey)
+    var index = rearchStringList.indexOf(this.data.form.searchKey)
+    if(index >= 0){
+      rearchStringList.splice(index, 1)
     }
+    rearchStringList.unshift(this.data.form.searchKey)
     if(rearchStringList.length > 24){
       rearchStringList.slice(0, 24)
     }