diff --git a/app/db/__init__.py b/app/db/__init__.py
index d5b32c3..a2da361 100644
--- a/app/db/__init__.py
+++ b/app/db/__init__.py
@@ -7,19 +7,25 @@
 
 
 import os
+import sys
 import requests
 
 
 def download():
-    res = requests.get('https://syncdatabase.herokuapp.com/sync/')
-    with open('./app/db/data.db', 'wb') as fp:
+    res = requests.get('https://markusjoe.github.io/static_file_hosting/data.sqlite')
+    with open('./app/db/data.sqlite', 'wb') as fp:
         fp.write(res.content)
 
 
 if __name__ != '__main__':
-    if not os.path.exists('./app/db/data.db'):
+    if not os.path.exists('./app/db/data.sqlite'):
         print('数据库文件未找到, 正在下载中')
-        download()
-        print('下载完成')
+        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')
+            sys.exit(1)
 
 __all__ = ['db']
diff --git a/app/db/db.py b/app/db/db.py
index 8795f5a..a4970cf 100644
--- a/app/db/db.py
+++ b/app/db/db.py
@@ -18,7 +18,7 @@ class SQLite:
         初始化SQLite对象
         完成后会自动提交, 自动关闭
         """
-        self.__path = './app/db/data.db'
+        self.__path = './app/db/data.sqlite'
         self.__conn = sqlite3.connect(self.__path)
         self.__cursor = self.__conn.cursor()