diff --git a/app.py b/app.py
index a301ef0..87346b5 100644
--- a/app.py
+++ b/app.py
@@ -883,7 +883,7 @@ def certificate_detail(cert_id):
     # 获取CA信息
     ca = get_ca_by_id(cert['ca_id'])
 
-    return render_template('certificate_detail.html', cert=cert, ca=ca)
+    return render_template('certificate_detail.html', cert=cert, ca=ca, get_username=get_username)
 
 
 @app.route('/certificates/<int:cert_id>/revoke', methods=['GET', 'POST'])