diff --git a/itdoc-doc/docusaurus.config.ts b/itdoc-doc/docusaurus.config.ts
index 83dbcb0..3602783 100644
--- a/itdoc-doc/docusaurus.config.ts
+++ b/itdoc-doc/docusaurus.config.ts
@@ -59,7 +59,7 @@ const config: Config = {
         ],
     ],
     themeConfig: {
-        image: "img/logo.jpg",
+        image: "img/logo.png",
         navbar: {
             title: "itdoc",
             logo: {