diff --git a/data/computercraft/lua/bios.lua b/data/computercraft/lua/bios.lua
index 5199833..59beb2d 100644
--- a/data/computercraft/lua/bios.lua
+++ b/data/computercraft/lua/bios.lua
@@ -1,4 +1,4 @@
-_G._HOST = _G._HOST .. " (LeonOS 1.0.1)"  
+_G._HOST = _G._HOST .. " (LeonOS 1.0.2)"  
 local fs = rawget(_G, "fs")
 
 _G._RC_ROM_DIR = _RC_ROM_DIR or (...) and fs.exists("/leonos") and "/leonos" or "/rom"
@@ -32,7 +32,7 @@ local rc = {
   _VERSION = {
     major = 1,
     minor = 0,  
-    patch = 1
+    patch = 2
   },
   queueEvent  = pull(os, "queueEvent"),
   startTimer  = pull(os, "startTimer"),
diff --git a/data/computercraft/lua/rom/programs/catos.lua b/data/computercraft/lua/rom/programs/catos.lua
deleted file mode 100644
index 113aa5e..0000000
--- a/data/computercraft/lua/rom/programs/catos.lua
+++ /dev/null
@@ -1,68 +0,0 @@
--- CatOS web installer: wget run https://catos.cpolar.cn/install.lua
--- This CatOS installer is for LeonOS
--- Require
-fs = require("fs")
-http = require("http")
-term = require("term")
-colors = require("colors")
-textutils = require("textutils")
--- Main
-local SITE = "https://catos.cpolar.cn"
-textutils.coloredPrint("You are going to install CatOS to your computer.")
-textutils.coloredPrint("We suggest you backup the files before install the CatOS.")
-textutils.coloredPrint(colors.yellow, "Are you sure? (y/n)")
-local confirm = term.read()
-if confirm ~= "y" then
-  print("Installation cancelled.")
-  return
-end
-local function http_get(url)
-	local r = http.get(url)
-	if not r then error("request failed: " .. url) end
-	local s = r.readAll() or ""; r.close(); return s
-end
-
-local function write_file(path, content)
-	local dir = fs.getDir(path)
-	if dir ~= "" and not fs.exists(dir) then fs.makeDir(dir) end
-	local h = fs.open(path, "w")
-	if not h then error("cannot write: " .. path) end
-	h.write(content or "")
-	h.close()
-end
-
-term.setBackgroundColor(colors.black)
-term.setTextColor(colors.white)
-term.clear()
-term.setCursorPos(1,1)
-print("CatOS installer - fetching manifest...")
-local manifest_json = http_get(SITE .. "/repo/catos-manifest.json")
-local ok, manifest = pcall(textutils.unserializeJSON, manifest_json)
-if not ok or type(manifest) ~= "table" then error("invalid manifest") end
-
-local base = manifest.base or "/root"
-local files = manifest.files or {}
-local total = #files
-local i = 0
-for _, rel in ipairs(files) do
-	i = i + 1
-	-- black overlay with progress
-	local w,h = term.getSize()
-	term.setBackgroundColor(colors.black)
-	term.setTextColor(colors.white)
-	term.setCursorPos(1,1); term.clearLine()
-	print(string.format("Installing CatOS [%d/%d] %s", i, total, rel))
-	-- draw progress bar at line 3
-	local pct = math.floor((i-1)/math.max(1,total) * (w-2))
-	term.setCursorPos(1,3)
-	term.clearLine()
-	term.write("[")
-	term.write(string.rep("#", pct))
-	term.write(string.rep("-", (w-2)-pct))
-	term.write("]")
-	local content = http_get(SITE .. base .. "/" .. rel)
-	write_file(rel, content)
-end
-
-term.setCursorPos(1,5)
-print("CatOS installed. Type 'restart' to complete the installation.")
diff --git a/data/computercraft/lua/rom/programs/pkg.lua b/data/computercraft/lua/rom/programs/pkg.lua
index 9f9ac98..a66e2b4 100644
--- a/data/computercraft/lua/rom/programs/pkg.lua
+++ b/data/computercraft/lua/rom/programs/pkg.lua
@@ -29,7 +29,7 @@ local pkg_config = {
   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 = "/packages/cache",                    -- 缓存目录
-  github_api_url = "https://raw.githubusercontent.com" -- GitHub API基础URL
+  github_api_url = "https://gh.catmak.name/https://raw.githubusercontent.com" -- GitHub API基础URL
 }
 
 -- 创建新包
diff --git a/installer.lua b/installer.lua
index be0075a..51f9a64 100644
--- a/installer.lua
+++ b/installer.lua
@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "1.0.1"
+local INSTALLER_VERSION = "1.0.2"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer ("..INSTALLER_VERSION..")...")
@@ -193,11 +193,13 @@ term.at(1, pby).write((" "):rep((term.getSize())))
 term.at(okx, oky)
 ok()
 
+bullet("Downloading startup file...")
 assert(io.open(
  fs.exists("/startup.lua") and "/unbios-rc.lua" or "/startup.lua", "w"))
   :write(dl(
    "https://gh.catmak.name/https://raw.githubusercontent.com/Leonmmcoset/LeonOS/refs/heads/main/unbios.lua"
   )):close()
+ok()
 
 tu.coloredPrint(colors.yellow, "Your computer will restart in 3 seconds.")
 local _, y = term.getCursorPos()