diff --git a/app/api/endpoints/community_set.py b/app/api/endpoints/community_set.py
index 0460a64..2416b96 100644
--- a/app/api/endpoints/community_set.py
+++ b/app/api/endpoints/community_set.py
@@ -15,15 +15,15 @@ router = APIRouter()
 # 请求和响应模型
 class CommunitySetCreate(BaseModel):
     set_name: str = Field(..., min_length=1, max_length=100, description="集合名称")
-    user_id: int = Field(..., description="用户ID")
+    user_id: Optional[int] = Field(None, description="用户ID")
 class CommunitySetUpdate(BaseModel):
     set_name: str = Field(..., min_length=1, max_length=100, description="集合名称")
-    user_id: int = Field(..., description="用户ID")
+    user_id: Optional[int] = Field(None, description="用户ID")
 
 class CommunitySetInfo(BaseModel):
     id: int
     set_name: str
-    user_id: int
+    user_id: Optional[int] = None
     create_time: datetime
     update_time: datetime
     user_name: Optional[str] = None
@@ -101,7 +101,7 @@ async def get_all_community_sets(
     """管理员获取所有社区集合"""
 
     # 获取所有社区集合, join 社区名字和 用户名字
-    sets = db.query(CommunitySet, UserDB.nickname.label("user_name")).join(UserDB, CommunitySet.user_id == UserDB.userid).offset(skip).limit(limit).all()
+    sets = db.query(CommunitySet, UserDB.nickname.label("user_name")).outerjoin(UserDB, CommunitySet.user_id == UserDB.userid).offset(skip).limit(limit).all()
 
     results = []
     for set in sets:
diff --git a/app/api/endpoints/order_additional_fee.py b/app/api/endpoints/order_additional_fee.py
index df39c03..a3d2f88 100644
--- a/app/api/endpoints/order_additional_fee.py
+++ b/app/api/endpoints/order_additional_fee.py
@@ -19,6 +19,7 @@ from app.core.config import settings
 from app.core.qcloud import qcloud_manager
 from fastapi import BackgroundTasks
 from app.core.mpmessage import sent_order_status_change_message
+from app.api.endpoints.order import calculate_delivery_share
 
 router = APIRouter()
 
@@ -163,6 +164,13 @@ async def accept_additional_fee(
     if order:
         order.additional_fee_amount += float(fee_request.additional_fee_amount)
         order.final_amount += float(fee_request.additional_fee_amount)
+
+        # 重新计算配送员配送费用
+        deliveryman = db.query(UserDB).filter(
+            UserDB.userid == order.deliveryman_user_id
+        ).first()
+        if deliveryman:
+            order.delivery_share = calculate_delivery_share(order, deliveryman)
     
     try:
         db.commit()
diff --git a/app/models/community_set.py b/app/models/community_set.py
index 7f1f225..23f019c 100644
--- a/app/models/community_set.py
+++ b/app/models/community_set.py
@@ -9,6 +9,6 @@ class CommunitySet(Base):
 
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
     set_name = Column(String(100), nullable=False, comment="集合名称")
-    user_id = Column(Integer, ForeignKey("users.userid"), nullable=False, comment="创建用户ID")
+    user_id = Column(Integer, nullable=True, comment="创建用户ID")
     create_time = Column(DateTime, default=datetime.datetime.now, comment="创建时间")
     update_time = Column(DateTime, default=datetime.datetime.now, onupdate=datetime.datetime.now, comment="更新时间")
\ No newline at end of file