fix: 修复管理员修改用户角色不生效的问题

backend/app/routers/users.py

@@ -1,6 +1,6 @@
 # 用户管理路由
 from typing import Optional
-from fastapi import APIRouter, Depends, HTTPException, status, Query
+from fastapi import APIRouter, Depends, HTTPException, status, Query, Body
 from sqlalchemy.orm import Session
 from app.core.database import get_db
 from app.core.auth import get_current_user
@@ -161,10 +161,10 @@ def get_user_collection_count(
 @admin_router.put("/{user_id}")
 def update_user(
     user_id: str,
-    username: Optional[str] = None,
-    email: Optional[str] = None,
-    role: Optional[str] = None,
-    password: Optional[str] = None,
+    username: Optional[str] = Body(None),
+    email: Optional[str] = Body(None),
+    role: Optional[str] = Body(None),
+    password: Optional[str] = Body(None),
     current_user: User = Depends(get_current_user),
     db: Session = Depends(get_db)
 ):
@@ -181,7 +181,7 @@ def update_user(
         user.f01_01_name = username
     if email:
         user.email = email
-    if role:
+    if role is not None:
         user.role = role
     
     # 更新密码

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=1.2.1
+VERSION=1.1.11
 
 # 版本代号 (可选)
 VERSION_CODENAME="新生"