diff --git a/src/db/__init__.py b/src/db/__init__.py
index 7acbd18..0b0c34b 100644
--- a/src/db/__init__.py
+++ b/src/db/__init__.py
@@ -7,16 +7,19 @@
 
 
 import os
+from urllib.request import urlretrieve
 from src.config import Config
 
 database = Config.database
 
 if database == 'sqlite':
     import sqlite3 as operator
-    from src.utils.t_download import download
 
     if not os.path.exists('./src/db/data.sqlite'):
-        download('https://static.rtast.cn/data.sqlite')
+        print('Downloading database file. Please wait...')
+        file_url = 'https://static.rtast.cn/data.sqlite'
+        urlretrieve(file_url, './src/db/data.sqlite')
+        print('Download database file successfully.')
     from src.db.db import SQLite as Database
 elif 'redis' in database:
     import redis as operator
diff --git a/src/utils/t_download.py b/src/utils/t_download.py
deleted file mode 100644
index cf09716..0000000
--- a/src/utils/t_download.py
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/usr/bin/env python3
-# -- coding:utf-8 --
-# @Author: markushammered@gmail.com
-# @Development Tool: PyCharm
-# @Create Time: 2022/9/3
-# @File Name: t_download.py
-
-
-import threading
-import requests
-
-
-class ThreadedDownload(threading.Thread):
-    def __init__(self,
-                 url: str,
-                 filename: str,
-                 thread_id: int,
-                 start_seek: int,
-                 end_seek: int,
-                 offset: int
-                 ):
-        super().__init__()
-        self.url = url
-        self.filename = filename
-        self.thread_id = thread_id
-        self.start_seek = start_seek
-        self.end_seek = end_seek
-        self.offset = offset
-
-    def download(self):
-        resp = requests.get(self.url, headers={'Range': f'Bytes={self.start_seek}-{self.end_seek}'})
-        with open('./src/db/data.sqlite', 'rb+') as fp:
-            fp.seek(self.start_seek)
-            fp.write(resp.content)
-
-    def run(self) -> None:
-        self.download()
-
-
-def download(url: str, threads: int = 4) -> None:
-    filename = url.split('/')[-1]
-    open('./src/db/data.sqlite', 'wb').close()  # create an empty file
-    head = requests.head(url)
-    if head.status_code == 301:
-        head = requests.head(head.headers['Location'])
-    filesize = int(head.headers['Content-Length'])
-    offset = filesize // threads
-    start = 0
-    for i in range(threads):
-        end = offset + start
-        ThreadedDownload(url, filename, i, start, end, offset).run()
-        start = end
-
-