diff --git a/backend/app/core/database.py b/backend/app/core/database.py
index a86b607..789c23c 100644
--- a/backend/app/core/database.py
+++ b/backend/app/core/database.py
@@ -25,7 +25,7 @@ Base = declarative_base()
 
 def get_db():
     """获取数据库会话"""
-    db = SessionLocal()
+    db = SessionLocal(expire_on_commit=False)
     try:
         yield db
     finally:
diff --git a/backend/app/routers/users.py b/backend/app/routers/users.py
index 6236bf9..edfbde9 100644
--- a/backend/app/routers/users.py
+++ b/backend/app/routers/users.py
@@ -5,7 +5,7 @@ from sqlalchemy.orm import Session
 from app.core.database import get_db
 from app.core.auth import get_current_user
 from app.models.models import User, Collection
-from app.schemas.schemas import UserResponse
+from app.schemas.schemas import UserResponse, UserUpdate
 
 router = APIRouter(prefix="/api", tags=["用户"])
 
@@ -29,47 +29,42 @@ def get_current_user_info(
         "f99_93_updated_at": current_user.f99_93_updated_at.isoformat() if current_user.f99_93_updated_at else None
     }
 
-@router.put("/users/me")
+@router.put("/users/me", response_model=UserResponse)
 def update_current_user(
-    username: Optional[str] = None,
-    email: Optional[str] = None,
-    phone: Optional[str] = None,
-    avatar: Optional[str] = None,
-    address: Optional[str] = None,
-    bio: Optional[str] = None,
+    user_update: UserUpdate,
     current_user: User = Depends(get_current_user),
     db: Session = Depends(get_db)
 ):
     """更新当前用户信息"""
-    # 通过user_id重新获取用户，确保在当前session中
-    user = db.query(User).filter(User.f99_90_id == current_user.f99_90_id).first()
+    import logging
+    logger = logging.getLogger(__name__)
+    
+    # 获取用户ID
+    user_id = current_user.f99_90_id
+    logger.info(f"Updating user {user_id}, data={user_update.model_dump()}")
+    
+    # 在当前session中重新查询用户
+    user = db.query(User).filter(User.f99_90_id == user_id).first()
     if not user:
         raise HTTPException(status_code=404, detail="用户不存在")
     
     # 更新字段
-    if username:
-        user.f01_01_name = username
-    if email:
-        user.email = email
-    if phone:
-        user.phone = phone
-    if avatar:
-        user.avatar = avatar
-    if address:
-        user.address = address
-    if bio:
-        user.bio = bio
+    update_data = user_update.model_dump(exclude_unset=True)
+    for field, value in update_data.items():
+        if field == 'f01_01_name':
+            user.f01_01_name = value
+        elif field == 'username':
+            pass  # skip, already handled as f01_01_name
+        elif hasattr(user, field):
+            setattr(user, field, value)
     
+    # 强制刷新以确保更新被提交
+    db.flush()
     db.commit()
     db.refresh(user)
+    logger.info(f"After commit, user email={user.email}")
     
-    return {
-        "id": user.f99_90_id,
-        "username": user.f01_01_name,
-        "email": user.email,
-        "phone": user.phone,
-        "role": user.role
-    }
+    return user
 
 # ============ 管理员用户管理 ============
 
diff --git a/config/VERSION b/config/VERSION
index 5732dde..b36f410 100644
--- a/config/VERSION
+++ b/config/VERSION
@@ -2,7 +2,7 @@
 # Version Configuration for Zodiac Collection Management System
 
 # 当前版本号 (语义化版本：主版本。次版本.修订版)
-VERSION=1.1.1
+VERSION=1.1.2
 
 # 版本代号 (可选)
 VERSION_CODENAME="新生"