update title

Author: chyyuu

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup Source
-        run: mkdir docs && cp os-lecs.md docs/index.md && cp -r lec[1-9]* docs && cp course-intro.md docs/course-intro.md && cp -r oslabs docs
+        run: mkdir docs && cp os-lecs.md docs/index.md && cp -r lec[1-9]* docs && cp course-intro.md docs/course-intro.md && cp lecs-preview.md docs/lecs-preview.md &&  cp labs-intro.md docs/labs-intro.md && cp -r oslabs docs
       # && mkdir build && cp -r lec[1-9]*/figs build/
 
       - name: Marp Build (docs folder)

os-lecs.md

@@ -21,9 +21,9 @@ backgroundColor: white
 <br>
 <br>
 
-## 2023 春季
+## 2024 春季
 
-[课程幻灯片列表](https://www.yuque.com/xyong-9fuoz/qczol5/glemuu?) -- [课程总体简介](./course-intro.html) -- [大实验简介](./oslabs/biglabs.html)
+[幻灯片列表](https://www.yuque.com/xyong-9fuoz/qczol5/glemuu?) -- [简介](./course-intro.html) -- [课前准备](./lecs-preview.html) -- [实验](./oslabs/labs-intro.html)
 
 ---