diff --git a/main.py b/main.py
index 79d3ab1..664f5ea 100644
--- a/main.py
+++ b/main.py
@@ -1,15 +1,12 @@
 import asyncio
 import getpass
-import traceback
 from pathlib import Path
-from shutil import move
-from time import sleep
 
-from aiohttp import ClientTimeout
-from httpwrapper import AsyncClientConfig, BaseAsyncClient
 from jsoner import json_read_async, json_write_async
 
+from functions import move_ipa
 from models import UdidInfo
+from wrapper import IPAToolClient
 
 CACHE_DIR = Path("cache")
 CACHE_DIR.mkdir(exist_ok=True)
@@ -18,121 +15,7 @@ APPS_DIR = Path("apps")
 APPS_DIR.mkdir(exist_ok=True)
 
 
-def move_ipa(from_path: str, to_path: str):
-    while True:
-        try:
-            move(from_path, to_path)
-            return
-        except Exception:
-            traceback.print_exc()
-            sleep(10)
-
-
-class IPAToolClient(BaseAsyncClient):
-    def __init__(self, host: str, port: int):
-        super().__init__(
-            f"http://{host}:{port}",
-            config=AsyncClientConfig(timeout=ClientTimeout(300)),
-        )
-
-    async def auth(self, user: str, pswd: str) -> bool:
-        r = await self._post(
-            "/auth/login",
-            params={
-                "user": user,
-                "pswd": pswd,
-                "keychain": pswd,
-            },
-        )
-        if r.status != 200:
-            return False
-        json_data = await r.json()
-        if isinstance(json_data, bool):
-            return json_data
-        return False
-
-    async def auth_check(self, user: str) -> bool:
-        r = await self._post("/auth/check", params={"user": user})
-        if r.status != 200:
-            return False
-        json_data = await r.json()
-        if isinstance(json_data, bool):
-            return json_data
-        return False
-
-    async def app_info(self, query: str, limit: int, keychain: str) -> dict:
-        r = await self._post(
-            "/app/search",
-            params={
-                "query": query,
-                "limit": limit,
-                "keychain": keychain,
-            },
-        )
-        if r.status != 200:
-            return {}
-        json_data = await r.json()
-        if isinstance(json_data, dict):
-            return json_data
-        return {}
-
-    async def app_upload(self, output_path: str, save_path: str):
-        r = await self._get(
-            "/app/upload",
-            params={
-                "pswd": "81928192",
-                "output_path": output_path,
-            },
-        )
-        if r.status != 200:
-            return False
-        try:
-            content = await r.read()
-            with open(save_path, "wb") as f:
-                f.write(content)
-            return True
-        except Exception:
-            traceback.print_exc()
-            return False
-
-    async def app_download(
-        self,
-        bundle_id: str,
-        output_path: str,
-        keychain: str,
-    ) -> bool:
-        r = await self._post(
-            "/app/download",
-            params={
-                "keychain": keychain,
-                "bundle_id": bundle_id,
-                "output_path": output_path,
-            },
-        )
-        if r.status != 200:
-            return False
-        json_data = await r.json()
-        if isinstance(json_data, dict):
-            return json_data.get("success", False)
-        return False
-
-    async def app_delete(self, output_path: str) -> bool:
-        r = await self._delete(
-            "/app/delete",
-            params={
-                "pswd": "81928192",
-                "output_path": output_path,
-            },
-        )
-        if r.status != 200:
-            return False
-        json_data = await r.json()
-        if isinstance(json_data, bool):
-            return json_data
-        return False
-
-
-async def __main(client: IPAToolClient, udid: str, info: UdidInfo):
+async def __main(client: IPAToolClient, udid: str, info: UdidInfo) -> bool:
     output_path = f"{info.app_name}.ipa"
     await client.app_delete(output_path)
 
@@ -174,7 +57,6 @@ async def _main(client: IPAToolClient, udid: str, info: UdidInfo) -> bool:
             print(udid, "already have version", version)
             return False
         print(udid, "new version", version)
-        # await json_write_async(cache_file, {"version": version})
         if await __main(client, udid, info):
             await json_write_async(cache_file, {"version": version})