diff --git a/generator.py b/generator.py
index 345ab9ab..a909a29c 100644
--- a/generator.py
+++ b/generator.py
@@ -107,7 +107,7 @@ def main():
   public_key = "rootCA/update-center.crt"
   
   original_download_url = "https://updates.jenkins.io/download/"
-  original_update_center_url = "https://mirrors.cloud.tencent.com/jenkins/updates/update-center.json"
+  original_update_center_url = "https://updates.jenkins-ci.org/current/update-center.json"
   original_file = urllib.request.urlopen(original_update_center_url)
   try:
     original_context = original_file.read()