diff --git a/api/controller_front/user.js b/api/controller_front/user.js
index 9b59c6b..5b49f44 100644
--- a/api/controller_front/user.js
+++ b/api/controller_front/user.js
@@ -374,6 +374,7 @@ module.exports = {
       const body = ctx.getBody();
       const { sn_code, deliver_config } = body;
 
+
       if (!sn_code) {
         return ctx.fail('请提供设备SN码');
       }
@@ -399,9 +400,14 @@ module.exports = {
       }
 
       // 更新 pla_account 表的 deliver_config 和 auto_deliver 字段
+
+      // 查出来合并原来的字段，如何没传就不覆盖
+      const original_deliver_config = user.deliver_config || {};
+      const new_deliver_config = { ...original_deliver_config, ...deliver_config };
+
       await pla_account.update(
         {
-          deliver_config: deliver_config,
+          deliver_config: new_deliver_config,
           auto_deliver: deliver_config.auto_delivery ? 1 : 0
         },
         { where: { id: user.id } }