diff --git a/src/main/resources/templates/department.html b/src/main/resources/templates/department.html
index 3f6537c..fad3087 100644
--- a/src/main/resources/templates/department.html
+++ b/src/main/resources/templates/department.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html xmlns:th="http://www.thymeleaf.org">
+<html xmlns:th="http://www.thymeleaf.org" lang="en">
 <head>
     <meta charset="UTF-8">
     <title>门诊缴费凭证</title>
