diff --git a/api/controller_front/user.js b/api/controller_front/user.js
index f2f9ae5..4366fa0 100644
--- a/api/controller_front/user.js
+++ b/api/controller_front/user.js
@@ -402,21 +402,52 @@ 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
+      // 获取原有配置
       const original_deliver_config = user.deliver_config || {};
-      const new_deliver_config = { ...original_deliver_config, ...deliver_config };
+      
+      // 深度合并配置（只覆盖传入的字段，保留原有的其他字段）
+      const deepMerge = (target, source) => {
+        const result = { ...target };
+        Object.keys(source).forEach(key => {
+          const sourceValue = source[key];
+          const targetValue = target[key];
+          
+          // 如果源值是对象且目标值也是对象，递归合并（排除数组）
+          if (sourceValue && typeof sourceValue === 'object' && !Array.isArray(sourceValue) &&
+              targetValue && typeof targetValue === 'object' && !Array.isArray(targetValue)) {
+            result[key] = deepMerge(targetValue, sourceValue);
+          } else {
+            // 否则直接覆盖
+            result[key] = sourceValue;
+          }
+        });
+        return result;
+      };
+      
+      const new_deliver_config = deepMerge(original_deliver_config, deliver_config);
+
+      // 处理 auto_deliver 字段（支持 auto_deliver 和 auto_delivery 两种字段名）
+      let auto_deliver_value = 0;
+      if (deliver_config.auto_deliver !== undefined) {
+        auto_deliver_value = deliver_config.auto_deliver ? 1 : 0;
+      } else if (deliver_config.auto_delivery !== undefined) {
+        auto_deliver_value = deliver_config.auto_delivery ? 1 : 0;
+      } else {
+        // 如果没有传入 auto_deliver，保持原有值
+        auto_deliver_value = user.auto_deliver || 0;
+      }
 
       await pla_account.update(
         {
           deliver_config: new_deliver_config,
-          auto_deliver: deliver_config.auto_delivery ? 1 : 0
+          auto_deliver: auto_deliver_value
         },
         { where: { id: user.id } }
       );
 
       console.log('[保存投递配置成功]', {
         sn_code,
-        auto_delivery: deliver_config.auto_delivery,
+        auto_deliver: auto_deliver_value,
         timestamp: new Date().toISOString()
       });