修复bug

app/__init__.py

@@ -6,6 +6,8 @@
 # @File Name: __init__.py
 
 
+import os
+import requests
 from flask import Flask
 from .main import main
 from .db.db import SQLite
@@ -24,3 +26,16 @@ def create_app():
     app.config.from_object(Config)
 
     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')