diff --git a/class/core/site_api.py b/class/core/site_api.py
index ea482e679..b9b9dbb9a 100755
--- a/class/core/site_api.py
+++ b/class/core/site_api.py
@@ -763,6 +763,8 @@ class site_api:
             conf = re.sub(rep, '', conf)
             rep = "\s+listen\s+\[\:\:\]\:443.*;"
             conf = re.sub(rep, '', conf)
+            rep = "\s+http2\s+on;"
+            conf = re.sub(rep, '', conf)
             mw.writeFile(file, conf)
 
         msg = mw.getInfo('网站[{1}]关闭SSL成功!', (siteName,))