添加了计时器

app/db/__init__.py

@@ -9,8 +9,10 @@
 import os
 import sys
 import requests
+from ..decorators import time_it
 
 
+@time_it
 def download():
     res = requests.get('https://markusjoe.github.io/static_file_hosting/data.sqlite')
     with open('./app/db/data.sqlite', 'wb') as fp:
@@ -22,7 +24,6 @@ if __name__ != '__main__':
         print('数据库文件未找到, 正在下载中')
         try:
             download()
-            print('下载完成')
         except Exception as error:
             print('下载失败, 错误原因:', error)
             print('请手动下载数据库文件到 ./app/db/data.sqlite')

app/decorators.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/4/5
+# @File Name: decorators.py
+
+import time
+from functools import wraps
+
+
+def time_it(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        print('数据库文件开始下载')
+        start = time.time()
+        result = func(*args, **kwargs)
+        end = time.time()
+        print('下载结束, 耗时 {} 秒'.format(round(end - start, 2)))
+        return result
+
+    return wrapper
+
+
+