diff --git a/Application/Admin/Controller/PromoteCompanyController.class.php b/Application/Admin/Controller/PromoteCompanyController.class.php
index 91efcf099..007454ea5 100644
--- a/Application/Admin/Controller/PromoteCompanyController.class.php
+++ b/Application/Admin/Controller/PromoteCompanyController.class.php
@@ -604,6 +604,8 @@ WHERE old_change_promote_id in ({$promoteData})";
         } else {
             if ($id) {
                 if ($delete) {
+                    $useingService = M('promote_company')->where(['service_agreement_show'=>$id])->find();
+                    if (!empty($useingService)) return $this->error('有正在使用该服务协议的公司，无法删除');
                     $result = M('service_agreement', 'tab_')->where(['id'=>$id])->delete();
                     return $result ? $this->success('删除完成') : $this->error('删除失败');
                 }