diff --git a/admin/dashboard/blueprints/contacts.py b/admin/dashboard/blueprints/contacts.py
index 27dec1b..4b93c15 100644
--- a/admin/dashboard/blueprints/contacts.py
+++ b/admin/dashboard/blueprints/contacts.py
@@ -266,9 +266,9 @@ def api_send_message():
             if 'file' not in request.files:
                 return jsonify({'success': False, 'message': '未上传文件'})
             file = request.files['file']
-            if file.name.endswith('.mp3'):
+            if file.filename.endswith('.mp3'):
                 format_str = "mp3"
-            elif file.name.endswith('.wav'):
+            elif file.filename.endswith('.wav'):
                 format_str = "wav"
             else:
                 return jsonify({