diff --git a/app/store/logic/WorkbenchLogic.php b/app/store/logic/WorkbenchLogic.php
index 61058280..fdc3a700 100644
--- a/app/store/logic/WorkbenchLogic.php
+++ b/app/store/logic/WorkbenchLogic.php
@@ -904,7 +904,9 @@ class WorkbenchLogic extends BaseLogic
                 'SUM(collect_num) as collect',
                 'ROUND((COUNT(distinct(pay_uid))-1)/COUNT(distinct(uid)),2) as changes',
                 'COUNT(distinct(pay_uid))-1 as repeats'
-            ])->group('product_id')->order('pay', ' desc')->limit(20)->select()->toArray();
+            ])->group('product_id')->order('pay', 'desc')
+            ->limit(20)
+            ->select()->toArray();
         foreach ($list as $key => &$item) {
             $find = StoreProduct::where('id', $item['product_id'])->field('store_name,image')->find();
             $item['store_name'] = $find['store_name'];