diff --git a/Application/Admin/Controller/MarketPercentageController.class.php b/Application/Admin/Controller/MarketPercentageController.class.php
index ab5443d27..122320e12 100644
--- a/Application/Admin/Controller/MarketPercentageController.class.php
+++ b/Application/Admin/Controller/MarketPercentageController.class.php
@@ -632,19 +632,25 @@ class MarketPercentageController extends ThinkController
             $data['time'] = strtotime($data['timestart']);
             $data['create_time'] = time();
 
-            $is_save = M("tax_radio","tab_")->add($data);
+            $is_hav = M("tax_radio","tab_")
+                ->where(['time'=>strtotime($data['timestart'])])
+                ->find();
 
-            if ($is_save) {
-                $this->success("保存成功",U("index"));
+            if ($is_hav) {
+                $is_save = M("tax_radio","tab_")
+                    ->where(['time'=>strtotime($data['timestart'])])
+                    ->save($data);
             } else {
-                $this->error("保存失败");
+                $is_save = M("tax_radio","tab_")->add($data);
             }
 
+            $this->success("保存成功",U("index"));
+
         } else {
 
             $data = M("tax_radio","tab_")
                 ->field("tax_radio,time timestart")
-                ->order("time DESC")
+                ->order("create_time DESC")
                 ->find();
 
             $data['timestart'] = Date("Y-m",$data['timestart']);