💄 style(contracts): fix formatting issue

- remove unnecessary blank line after delete contract API call

src/client/admin/pages/Contracts.tsx

@@ -153,7 +153,7 @@ const Contracts: React.FC = () => {
     onError: () => {
       message.error('删除失败，请重试');
     }
-  );
+  });
   
   // 提交表单
   const handleSubmit = async () => {