diff --git a/web/core/db.py b/web/core/db.py
index b7e979c9c..f58e87a23 100755
--- a/web/core/db.py
+++ b/web/core/db.py
@@ -42,10 +42,9 @@ class Sql():
     __debug = False
 
     def __init__(self):
-        self.__DB_FILE = getPanelDir()+'/data/panel.db'
+        self.__DB_FILE = mw.getPanelDataDir()+'/data/panel.db'
 
-    def __getConn(self):
-        # 取数据库对象
+    def __getConnBak(self):
         try:
             if self.__DB_CONN == None:
                 self.__DB_CONN = sqlite3.connect(self.__DB_FILE)
@@ -54,6 +53,19 @@ class Sql():
             print(getTracebackInfo())
             return "error: " + str(ex)
 
+    def __getConn(self):
+        # 取数据库对象
+        if self.__DB_CONN is None:
+            db_dir = os.path.dirname(self.__DB_FILE)
+            if not os.path.exists(db_dir):
+                os.makedirs(db_dir, exist_ok=True)
+            try:
+                self.__DB_CONN = sqlite3.connect(self.__DB_FILE)
+                self.__DB_CONN.text_factory = str
+            except Exception as ex:
+                print(getTracebackInfo())
+                raise
+
     def changeTextFactoryToBytes(self):
         self.__DB_CONN.text_factory = bytes
         return True