diff --git a/app/controller/api/store/merchant/Merchant.php b/app/controller/api/store/merchant/Merchant.php
index 99aa81fc..465e1f4e 100644
--- a/app/controller/api/store/merchant/Merchant.php
+++ b/app/controller/api/store/merchant/Merchant.php
@@ -159,6 +159,10 @@ class Merchant extends BaseController
                 'lat',
                 ['delivery_way',[2]],
             ]);
+
+            // 如果手机号不存在，则使用入驻时的手机号
+            $data['service_phone'] = empty($data['service_phone'])?$merchant['mer_phone']:$data['service_phone'];
+
             $validate->check($data);
             $sys_bases_status = systemConfig('sys_bases_status') === '0' ? 0 : 1;
             if ($sys_bases_status && empty($data['mer_certificate']))