diff --git a/preview_easy/controllers/preview.py b/preview_easy/controllers/preview.py
index 2d291f472..d6600cb38 100644
--- a/preview_easy/controllers/preview.py
+++ b/preview_easy/controllers/preview.py
@@ -8,17 +8,12 @@ from odoo import http
 from odoo.http import request, content_disposition
 from jinja2 import Environment, PackageLoader
 import mammoth
-from odoo.exceptions import UserError
+
 
 class preview(http.Controller):
     @http.route('/web/content/preview/<int:id>', type='http', method=['Get'], auth="public")
     def content_preview(self, id=None):
         ir_attach = request.env['ir.attachment'].sudo()
-
-        # attach = request.env['ir.attachment'].sudo().browse(id)
-        # if attach.datas:
-        #     raise UserError('附件内容为空，无法预览')
-
         attach = ir_attach.browse(id)
         image = ['image/jpeg', 'image/png', 'image/bmp', 'image/gif', 'image/jpg', 'image/svg']
         html = ['text/html']