diff --git a/app/controller/merchant/system/Merchant.php b/app/controller/merchant/system/Merchant.php
index 7a30d73f..4f3af27e 100644
--- a/app/controller/merchant/system/Merchant.php
+++ b/app/controller/merchant/system/Merchant.php
@@ -147,6 +147,9 @@ class Merchant extends BaseController
         $delivery = $repository->get($this->request->merId()) + systemConfig(['tx_map_key']);
         $data = array_merge($data,$delivery);
         $data['sys_bases_status'] = systemConfig('sys_bases_status') === '0' ? 0 : 1;
+        if (!empty($data['mer_certificate']) && !is_array($data['mer_certificate'])) {
+            $data['mer_certificate'] = explode(',', $data['mer_certificate']);
+        }
 
         return app('json')->success($data);
     }