diff --git a/data/computercraft/lua/rom/programs/pkg.lua b/data/computercraft/lua/rom/programs/pkg.lua
index adc3457..7b75f57 100644
--- a/data/computercraft/lua/rom/programs/pkg.lua
+++ b/data/computercraft/lua/rom/programs/pkg.lua
@@ -28,7 +28,7 @@ local pkg_config = {
   repo_url = "https://example.com/leonos/packages", -- 包仓库URL
   local_pkg_dir = "/packages",                     -- 本地包存储目录
   installed_db = "/packages/installed.json",       -- 已安装包数据库
-  cache_dir = "/rom/cache"                          -- 缓存目录
+  cache_dir = "/packages/cache"                     -- 缓存目录
 }
 
 -- 确保必要的目录存在
diff --git a/installer.lua b/installer.lua
index 0245f11..122dce7 100644
--- a/installer.lua
+++ b/installer.lua
@@ -145,6 +145,11 @@ end
 ok()
 
 bullet("Creating directories...")
+-- 确保缓存目录存在
+local cache_dir = "/packages/cache"
+if not fs.exists(cache_dir) then
+  fs.makeDir(cache_dir)
+end
 for i=#to_dl, 1, -1 do
   local v = to_dl[i]
   if v.type == "tree" then