diff --git a/.hub/jupyter_config_backup.py b/.hub/jupyter_config_backup.py
index c84c4d0..314d5eb 100644
--- a/.hub/jupyter_config_backup.py
+++ b/.hub/jupyter_config_backup.py
@@ -1,101 +1,32 @@
-"""
-按组挂载 Git 资源（只读） + 自动建用户加组
-资源路径 /home/zhangyi/jupyter-collection
-控制文件 /home/zhangyi/jupyter-collection/.hub/resource_map.ini
-"""
-
-import os, grp, pwd, shutil, subprocess, configparser
+import shutil, configparser
 from pathlib import Path
-from jupyterhub.spawner import Spawner
 
-# ---------- 路径常量 ----------
-SHARED_ROOT = Path("/home/zhangyi/jupyter-collection")          # Git 资源仓库
-USER_HOME   = Path("/home/jupyter-{username}")    # 用户家目录模板
-CTRL_FILE   = SHARED_ROOT / ".hub" / "resource_map.ini"  # 组-资源-用户映射
+# 仓库在host上的地址
+SHARED_ROOT = Path("/home/zhangyi/jupyter-collection")
+CTRL_FILE   = SHARED_ROOT / ".hub" / "resource_map.ini"
 
-# ---------- 工具：读控制表 ----------
-def load_ctrl():
-    """返回 (组->资源, 组->用户) 两个 dict"""
+def load_map():
     cfg = configparser.ConfigParser()
     cfg.read(CTRL_FILE)
-    res_map = {g: [r.strip() for r in v.split(",")] for g, v in cfg.items("map")}
-    usr_map = {g: [u.strip() for u in v.split(",")] for g, v in cfg.items("users")}
-    return res_map, usr_map
+    # 用户名 -> [res1, res2, ...]
+    return {u: [r.strip() for r in v.split(",")]
+            for u, v in cfg.items("users")}
 
-# ========== 最早钩子：预创建家目录 ==========
-def ensure_homedir(spawner):
-    """systemd 启动前保证目录存在且属主正确"""
+def copy_resources(spawner):
     username = spawner.user.name
-    user_dir = Path(str(USER_HOME).format(username=username))
-    if not user_dir.exists():
-        user_dir.mkdir(mode=0o700, parents=True)
-    shutil.chown(user_dir, user=username, group=username)
+    shared   = Path(spawner.environment.get("HOME", f"/home/jupyter-{username}")) / "shared"
 
-c.Spawner.pre_spawn_hook = ensure_homedir
-
-# ========== 认证后钩子：自动建用户+加组 ==========
-def ensure_user_and_groups(authenticator, handler, authentication):
-    username = authentication['name']
-    res_map, usr_map = load_ctrl()
-    wanted_groups = [g for g, users in usr_map.items() if username in users]
-    if not wanted_groups:
-        return authentication
-
-    for g in wanted_groups:                      # 确保组存在
-        subprocess.run(["groupadd", "-f", g], check=False)
-
-    if subprocess.run(["id", "-u", username], capture_output=True).returncode != 0:
-        subprocess.run([
-            "useradd", "-m", "-s", "/bin/bash",
-            "-d", str(USER_HOME).format(username=username), username
-        ], check=False)
-
-    for g in wanted_groups:                      # 加组
-        subprocess.run(["usermod", "-aG", g, username], check=False)
-
-    return authentication
-
-c.Authenticator.post_auth_hook = ensure_user_and_groups
-
-# ========== spawn 钩子：清 shared + 只读挂载 ==========
-
-def prepare_user(spawner):
-    username = spawner.user.name
-    user_dir = Path(str(USER_HOME).format(username=username))
-
-    # ① 确保家目录 700 + 属主正确（首次/后续都适用）
-    user_dir.mkdir(mode=0o700, parents=True, exist_ok=True)
-    shutil.chown(user_dir, user=username, group=username)
-
-    # ② 只清 shared，保留用户其它文件
-    shared = user_dir / "shared"
+    # 清空或新建 shared
     if shared.exists():
         shutil.rmtree(shared)
     shared.mkdir(parents=True, exist_ok=True)
-    shutil.chown(shared, user=username, group=username)
 
-    # 读取控制表
-    res_map, _ = load_ctrl()
+    # 按 ini 拷贝资源
+    for res in load_map().get(username, []):
+        src = SHARED_ROOT / res
+        dst = shared / res
+        if src.is_dir():
+            shutil.copytree(src, dst, dirs_exist_ok=True)
 
-    # 获取用户系统组
-    try:
-        pwnam = pwd.getpwnam(username)
-        gid_list = os.getgrouplist(username, pwnam.pw_gid)
-    except (KeyError, OSError):
-        return
-    user_groups = {grp.getgrgid(g).gr_name for g in gid_list}
-
-    # 组装 bind_mounts（SystemdSpawner 语法）
-    bind_list = []
-    for grp_name in user_groups:
-        for res in res_map.get(grp_name, []):
-            res_path = SHARED_ROOT / res
-            if res_path.is_dir():
-                bind_list.append({
-                    'source': str(res_path),
-                    'target': str(shared / res),
-                    'read-only': True,
-                })
-    spawner.bind_mounts = bind_list
-
-c.Spawner.pre_spawn_hook = prepare_user
\ No newline at end of file
+# ========== 用户容器启动完成后执行 ==========
+c.Spawner.post_spawn_hook = copy_resources
\ No newline at end of file
diff --git a/.hub/resource_map.ini b/.hub/resource_map.ini
index 259c6a0..68e94ee 100644
--- a/.hub/resource_map.ini
+++ b/.hub/resource_map.ini
@@ -1,12 +1,8 @@
-# 第一个表定义了不同的组别可读取的资源路径名称
-# <组名> = <路径名>, <路径名>
-[map]
-PrincipleOfGeophysics = geophysics_basic
-GeophysicalInversion = geophysics_basic, geophysics_advanced
-jupyterhub-admins = geophysics_basic, geophysics_advanced
-
-# 第二个表定义了每个组内的用户 用逗号区分
+# 这个表定义了每个用户的权限 即能拿到哪些文件夹 逗号分隔
 [users]
-jupyterhub-admins = zhangyi
-PrincipleOfGeophysics = student1, student2, student3
-GeophysicalInversion = student4, student5
\ No newline at end of file
+zhangyi = geophysics_basic, geophysics_advanced
+student1 = geophysics_basic
+student2 = geophysics_basic
+student3 = geophysics_basic
+student4 = geophysics_basic, geophysics_advanced
+student5 = geophysics_basic, geophysics_advanced
\ No newline at end of file