diff --git a/app/controller/api/store/merchant/Merchant.php b/app/controller/api/store/merchant/Merchant.php
index 15152888..64630419 100644
--- a/app/controller/api/store/merchant/Merchant.php
+++ b/app/controller/api/store/merchant/Merchant.php
@@ -169,8 +169,13 @@ class Merchant extends BaseController
             if ($sys_bases_status && empty($data['mer_certificate']))
                 return app('json')->fail('店铺资质不可为空');
 
+            $merCertificate = merchantConfig($id, 'mer_certificate');
+            if (!is_array($merCertificate)) {
+                $merCertificate = explode( ',', $merCertificate);
+            }
+            $merCertificate[0] = $data['mer_certificate'];
             app()->make(ConfigValueRepository::class)->setFormData([
-                'mer_certificate' => $data['mer_certificate']
+                'mer_certificate' => $merCertificate
             ], $id);
             unset($data['mer_certificate']);
 
@@ -222,6 +227,8 @@ class Merchant extends BaseController
         }
 
         $data = Db::name('merchant')->where('mer_id',$id)->find();
+        $data['mer_certificate'] = merchantConfig($id, 'mer_certificate');
+        $data['mer_certificate'] = $data['mer_certificate'][0] ?? '';
         // $append = ['merchantCategory', 'merchantType', 'mer_certificate'];
         // if ($merchant['is_margin'] == -10)
         //     $append[] = 'refundMarginOrder';