diff --git a/pywxdump/dbpreprocess/export/__init__.py b/pywxdump/dbpreprocess/export/__init__.py
new file mode 100644
index 0000000..5fcb078
--- /dev/null
+++ b/pywxdump/dbpreprocess/export/__init__.py
@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-#
+# -------------------------------------------------------------------------------
+# Name:         __init__.py
+# Description:  
+# Author:       xaoyaoo
+# Date:         2024/04/20
+# -------------------------------------------------------------------------------
+
+
+if __name__ == '__main__':
+    pass
diff --git a/setup.py b/setup.py
index bea041c..1db49b2 100644
--- a/setup.py
+++ b/setup.py
@@ -41,13 +41,14 @@ setup(
     license='MIT',
 
     packages=['pywxdump', 'pywxdump.ui', 'pywxdump.wx_info', 'pywxdump.analyzer', 'pywxdump.api',
-              'pywxdump.dbpreprocess'],
+              'pywxdump.dbpreprocess', 'pywxdump.dbpreprocess.export'],
     package_dir={'pywxdump': 'pywxdump',
                  'pywxdump.wx_info': 'pywxdump/wx_info',
                  'pywxdump.analyzer': 'pywxdump/analyzer',
                  'pywxdump.ui': 'pywxdump/ui',
                  'pywxdump.api': 'pywxdump/api',
-                 'pywxdump.dbpreprocess': 'pywxdump/dbpreprocess'
+                 'pywxdump.dbpreprocess': 'pywxdump/dbpreprocess',
+                 'pywxdump.dbpreprocess.export': 'pywxdump/dbpreprocess/export'
                  },
 
     package_data={