修复bug

app/__init__.py

@@ -27,15 +27,3 @@ def create_app():
 
     return app
 
-
-def download():
-    res = requests.get('http://resource-base.herokuapp.com/download/data.db')
-    with open('./app/db/data.db', 'wb') as fp:
-        fp.write(res.content)
-
-
-if __name__ != '__main__':
-    if not os.path.exists('./app/db/data.db'):
-        print('数据库文件未找到, 正在下载中')
-        download()
-        print('下载完成')