diff --git a/class/core/site_api.py b/class/core/site_api.py
index ad1934601..508805392 100755
--- a/class/core/site_api.py
+++ b/class/core/site_api.py
@@ -940,12 +940,12 @@ class site_api:
         if conf:
             if conf.find('ssl_certificate') == -1:
                 return mw.returnJson(False, '当前未开启SSL')
-            to = '\n#error_page 404/404.html;\n\
+            to = "\n#error_page 404/404.html;\n\
     #HTTP_TO_HTTPS_START\n\
     if ($server_port !~ 443){\n\
         rewrite ^(/.*)$ https://$host$1 permanent;\n\
     }\n\
-    #HTTP_TO_HTTPS_END'
+    #HTTP_TO_HTTPS_END"
             conf = conf.replace('#error_page 404/404.html;', to)
             mw.writeFile(file, conf)