diff --git a/index.html b/index.html
index 7377f4ce..c462a647 100644
--- a/index.html
+++ b/index.html
@@ -195,12 +195,6 @@ <h2 id="compiled-with-idoc"><a aria-hidden="true" tabindex="-1" href="#compiled-
               <td><a href="https://github.com/jaywcjlove/awesome-mac/commits"><img src="https://img.shields.io/github/last-commit/jaywcjlove/awesome-mac?style=flat&#x26;label=last" alt="GitHub last commit"></a></td>
               <td><a href="https://jaywcjlove.github.io/awesome-mac">Preview Website</a></td>
             </tr>
-            <tr>
-              <td><a href="https://github.com/jaywcjlove/awesome-chatgpt">Awesome ChatGPT</a></td>
-              <td><a href="https://github.com/jaywcjlove/awesome-chatgpt/stargazers"><img src="https://img.shields.io/github/stars/jaywcjlove/awesome-chatgpt.svg" alt="Github Stars"></a></td>
-              <td><a href="https://github.com/jaywcjlove/awesome-chatgpt/commits"><img src="https://img.shields.io/github/last-commit/jaywcjlove/awesome-chatgpt?style=flat&#x26;label=last" alt="GitHub last commit"></a></td>
-              <td><a href="https://jaywcjlove.github.io/awesome-chatgpt">Preview Website</a></td>
-            </tr>
             <tr>
               <td><a href="https://github.com/jaywcjlove/shell-tutorialawesome-uikit">Awesome UIKit</a></td>
               <td><a href="https://github.com/jaywcjlove/awesome-uikit/stargazers"><img src="https://img.shields.io/github/stars/jaywcjlove/awesome-uikit.svg" alt="Github Stars"></a></td>
diff --git a/js/giscus.js b/js/giscus.js
index e32865c0..36f8efd9 100644
--- a/js/giscus.js
+++ b/js/giscus.js
@@ -1,11 +1,11 @@
 ;(() => {
   const targetElement = document.documentElement;
-  const defaultTheme = targetElement.getAttribute("data-color-mode").toLocaleLowerCase();
+  const defaultTheme = targetElement.getAttribute("data-color-mode");
   changeGiscusTheme(defaultTheme)
   const observer = new MutationObserver((mutationsList, observer) => {
     for(const mutation of mutationsList) {
       if (mutation.type === 'attributes') {
-        const value = targetElement.getAttribute("data-color-mode").toLocaleLowerCase();
+        const value = targetElement.getAttribute("data-color-mode");
         changeGiscusTheme(value)
       }
     }
@@ -16,12 +16,17 @@
     attributeOldValue: true
   });
   
-  function changeGiscusTheme(theme) {
+  function changeGiscusTheme(theme = "light") {
       const iframe = document.querySelector('.giscus-frame');
       if (iframe) {
-          iframe.contentWindow.postMessage({
-              giscus: { theme }
-          }, 'https://giscus.app');
+        const config = {
+          giscus: {
+            setConfig: {
+              theme: theme.toLocaleLowerCase(),
+            },
+          }
+        };
+          iframe.contentWindow.postMessage(config, 'https://giscus.app');
       }
   }
 })();
diff --git a/sitemap.txt b/sitemap.txt
index e987c269..af4dd3e9 100644
--- a/sitemap.txt
+++ b/sitemap.txt
@@ -2,20 +2,20 @@ https://wangchujiang.com/idoc/about.html
 https://wangchujiang.com/idoc/awesome.html
 https://wangchujiang.com/idoc/markdown.html
 https://wangchujiang.com/idoc/markdown/index.html
-https://wangchujiang.com/idoc/markdown/extended-syntax.html
 https://wangchujiang.com/idoc/markdown/basic-syntax.html
+https://wangchujiang.com/idoc/markdown/extended-syntax.html
 https://wangchujiang.com/idoc/markdown/insert-img.html
 https://wangchujiang.com/idoc/markdown/line-html.html
 https://wangchujiang.com/idoc/introduce/index.html
 https://wangchujiang.com/idoc/introduce/api/command.html
 https://wangchujiang.com/idoc/introduce/api/config.html
+https://wangchujiang.com/idoc/introduce/theme/templates.html
+https://wangchujiang.com/idoc/introduce/theme/theme-defalut.html
+https://wangchujiang.com/idoc/introduce/theme/variables.html
 https://wangchujiang.com/idoc/introduce/getting-started/home.html
 https://wangchujiang.com/idoc/introduce/getting-started/installation.html
 https://wangchujiang.com/idoc/introduce/getting-started/publish.html
 https://wangchujiang.com/idoc/introduce/getting-started/site-add.html
 https://wangchujiang.com/idoc/introduce/getting-started/site-creation.html
 https://wangchujiang.com/idoc/introduce/getting-started/site-preparation.html
-https://wangchujiang.com/idoc/introduce/theme/templates.html
-https://wangchujiang.com/idoc/introduce/theme/theme-defalut.html
-https://wangchujiang.com/idoc/introduce/theme/variables.html
 https://wangchujiang.com/idoc/index.html
\ No newline at end of file