diff --git a/app.py b/app.py
index 65150d5..7debc4b 100644
--- a/app.py
+++ b/app.py
@@ -93,7 +93,17 @@ def error(reason) -> Response:
     return jsonify({'code': 500, 'msg': '服务器内部错误', 'data': None})
 
 
-@app.route('/get/log', methods=['GET', 'POST'])
+@app.route('/extra/db')
+def export_db():
+    """
+    导出数据库
+    :return:
+    """
+    dir_path = os.path.join(app.root_path, 'bin/db')
+    return send_from_directory(dir_path, 'count.db', as_attachment=True)
+
+
+@app.route('/extra/log', methods=['GET', 'POST'])
 def view_log() -> Response:
     """
     下载日志
diff --git a/bin/db/__init__.py b/bin/db/__init__.py
index 66dd024..0237e53 100644
--- a/bin/db/__init__.py
+++ b/bin/db/__init__.py
@@ -9,7 +9,7 @@
 import os
 from bin.utils.logger import logger
 
-if not os.path.exists('./db/count.db'):
+if not os.path.exists('./bin/db/count.db'):
     logger.error('未检测到用户计数数据库')
     import sqlite3
     conn = sqlite3.connect('./bin/db/count.db', check_same_thread=False)
diff --git a/bin/utils/__init__.py b/bin/utils/__init__.py
index dd8c1a8..f6a6791 100644
--- a/bin/utils/__init__.py
+++ b/bin/utils/__init__.py
@@ -59,7 +59,7 @@ class Check:
         检验本地文件md5是否和远程md5相同
         :return:
         """
-        with open('./db/style.db', 'rb') as fp:
+        with open('./bin/db/style.db', 'rb') as fp:
             data = fp.read()
         local_md5 = hashlib.md5(data).hexdigest()
         remote_md5 = self.session.get(self.remote_md5).json()['data'][0]
@@ -84,9 +84,9 @@ class Check:
         mtd_list = []
         start = 0
         end = -1
-        with open('./db/style.db', 'w') as initial_file:
+        with open('./bin/db/style.db', 'w') as initial_file:
             initial_file.close()
-        with open('./db/style.db', 'rb+') as f:
+        with open('./bin/db/style.db', 'rb+') as f:
             name = 1
             fileno = f.fileno()
             while end < filesize - 1:
@@ -115,10 +115,10 @@ class Check:
         session.trust_env = False
         logger.info(f'正在使用单线程下载中')
         resp = session.get(self.assets_url)
-        with open('./db/style.db', 'wb') as fp:
+        with open('./bin/db/style.db', 'wb') as fp:
             fp.write(resp.content)
         logger.info('下载完成 正在检验文件md5')
-        with open('./db/style.db', 'rb') as fp:
+        with open('./bin/db/style.db', 'rb') as fp:
             data = fp.read()
         local_md5 = hashlib.md5(data).hexdigest()
         remote_md5 = session.get('https://themedatabases.vercel.app/md5').json()['data'][0]
@@ -132,7 +132,7 @@ class Check:
 
 
 if __name__ != '__main__':
-    __all__ = ['b64img', 'error', 'logger', 'view']
-    if not os.path.exists('./db/style.db'):
+    __all__ = ['error', 'logger', 'view']
+    if not os.path.exists('./bin/db/style.db'):
         logger.error('没有检测到本地主题数据库即将开始下载')
         Check().download()
diff --git a/bin/utils/error.py b/bin/utils/error.py
index b51c0cc..39a5736 100644
--- a/bin/utils/error.py
+++ b/bin/utils/error.py
@@ -9,14 +9,14 @@
 from typing import Optional
 from flask import jsonify
 from flask import Response
-from bin.db import (update_data, fetch_table)
+from bin.db.sqlite import (update_data, fetch_table)
 
 
 class ErrorProcess:
     """处理错误的页面"""
     def __init__(self):
         self.msg_template = {'code': -2,
-                             'msg': '',
+                             'msg': Optional[str],
                              'data': Optional[list]}
 
     def get_theme_list(self) -> Response:
diff --git a/bin/utils/view.py b/bin/utils/view.py
index 0268d64..d4a7c16 100644
--- a/bin/utils/view.py
+++ b/bin/utils/view.py
@@ -7,8 +7,8 @@
 
 
 from flask import render_template
-from bin.db import fetch_style_data
-from bin.db import fetch_table
+from bin.db.sqlite import fetch_style_data
+from bin.db.sqlite import fetch_table
 
 
 def view_template(style: str, length: int, name: str, count: str) -> str or tuple[bool, str]: