diff --git a/app/api/endpoints/order.py b/app/api/endpoints/order.py
index 5767486..a575d41 100644
--- a/app/api/endpoints/order.py
+++ b/app/api/endpoints/order.py
@@ -1,3 +1,4 @@
+from app.core.account import AccountManager
 from fastapi import APIRouter, Depends
 from sqlalchemy.orm import Session
 from typing import List, Optional
@@ -432,6 +433,19 @@ async def complete_order(
         else:
             order.status = OrderStatus.COMPLETED  # 无需支付，直接完成
             
+            # 只有在订单完成状态时才进行分账
+            # 计算配送员分账金额
+            deliveryman_share = order.original_amount * settings.ORDER_DELIVERYMAN_SHARE_RATIO
+            
+            # 使用账户管理器处理分账
+            account_manager = AccountManager(db)
+            account_manager.change_balance(
+                user_id=order.deliveryman_user_id,
+                amount=deliveryman_share,
+                description=f"订单 {orderid} 配送费分账",
+                transaction_id=orderid
+            )
+            
         # 保存完成图片
         if complete_data.images:
             order.complete_images = ",".join(complete_data.images)
@@ -513,4 +527,4 @@ async def pickup_order(
         )
     except Exception as e:
         db.rollback()
-        return error_response(code=500, message=f"操作失败: {str(e)}") 
\ No newline at end of file
+        return error_response(code=500, message=f"操作失败: {str(e)}")
\ No newline at end of file
diff --git a/app/core/config.py b/app/core/config.py
index a1ff059..e0fc5cc 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -12,6 +12,7 @@ class Settings(BaseSettings):
     ORDER_BASE_PRICE: float = 3.0  # 基础费用
     ORDER_EXTRA_PACKAGE_PRICE: float = 0.5  # 额外包裹费用
     ORDER_EXTRA_PACKAGE_THRESHOLD: int = 5  # 额外收费阈值
+    ORDER_DELIVERYMAN_SHARE_RATIO: float = 0.8  # 配送员分账比例
 
     # JWT 配置
     SECRET_KEY: str = "s10GmiRMmplfYWXYZLSsE3X36Ld4gVZxHgAcdqFGC20v3llv7UdOeWLBEEP3e40p"
@@ -66,4 +67,4 @@ class Settings(BaseSettings):
         env_file = ".env"
         extra = "allow"  # 允许额外的环境变量
 
-settings = Settings() 
\ No newline at end of file
+settings = Settings()
\ No newline at end of file