diff --git a/public/doc/01/cover.png b/public/doc/01/cover.png
new file mode 100644
index 0000000..2a62a78
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diff --git a/public/doc/02/cover.png b/public/doc/02/cover.png
new file mode 100644
index 0000000..66c93b0
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diff --git a/public/doc/03/cover.png b/public/doc/03/cover.png
new file mode 100644
index 0000000..5de45b6
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diff --git a/public/doc/04/cover.png b/public/doc/04/cover.png
new file mode 100644
index 0000000..b071463
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diff --git a/public/doc/05/cover.png b/public/doc/05/cover.png
new file mode 100644
index 0000000..543de26
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diff --git a/public/doc/06/cover.png b/public/doc/06/cover.png
new file mode 100644
index 0000000..0e9c2b0
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diff --git a/public/doc/11/cover.png b/public/doc/11/cover.png
new file mode 100644
index 0000000..985c5b4
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diff --git a/public/doc/13/cover.png b/public/doc/13/cover.png
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diff --git a/src/components/TutorialCarousel.vue b/src/components/TutorialCarousel.vue
index befc7d4..a71dc11 100644
--- a/src/components/TutorialCarousel.vue
+++ b/src/components/TutorialCarousel.vue
@@ -115,7 +115,7 @@ onMounted(async () => {
       // 尝试读取doc.md获取标题
       let title = `例程 ${id}`;
       let description = "点击加载此例程";
-      let thumbnail = `/doc/${id}/images/1.png`; // 默认使用第一张图片作为缩略图
+      let thumbnail = `/doc/${id}/cover.png`; // 默认使用第一张图片作为缩略图
       
       try {
         // 尝试读取文档内容获取标题