diff --git a/layout/_plugins/tianli_gpt.ejs b/layout/_plugins/tianli_gpt.ejs
index 28051d8..43b99e7 100644
--- a/layout/_plugins/tianli_gpt.ejs
+++ b/layout/_plugins/tianli_gpt.ejs
@@ -1,6 +1,6 @@
 <% 
 const { field } = theme.plugins.tianli_gpt;
-const matchesField = field === 'all' || field === layout || (field === 'wiki' && page.wiki) || (field === 'topic' && page.topic);
+const matchesField = field === 'all' || field === page.layout || (field === 'wiki' && page.wiki) || (field === 'topic' && page.topic);
 if (matchesField) { %>
   <script defer src="<%- theme.plugins.tianli_gpt?.js %>"></script>
   <script defer>