日期格式修改

Application/Admin/Controller/PartnerController.class.php

@@ -377,8 +377,12 @@ class PartnerController extends ThinkController
             if (empty($data)) {
                 $this->error('数据异常', U('lists'));
             }
-            $data['contract_start_time'] = date('Y-m-d', $data['contract_start_time']);
-            $data['contract_end_time'] = date('Y-m-d', $data['contract_end_time']);
+            if ($data['contract_start_time']) {
+                $data['contract_start_time'] = date('Y-m-d', $data['contract_start_time']);
+            }
+            if ($data['contract_end_time']) {
+                $data['contract_end_time'] = date('Y-m-d', $data['contract_end_time']);
+            }
             $data['channel_rate'] *= 100;//存的是小数，显示百分比
             $data['invoice_rate'] *= 100;//存的是小数，显示百分比
 //            dd($data);