diff --git a/.github/workflows/Deploy.yml b/.github/workflows/Deploy.yml
index b72dc89..9ead63f 100644
--- a/.github/workflows/Deploy.yml
+++ b/.github/workflows/Deploy.yml
@@ -11,7 +11,7 @@ jobs:
       contents: write
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         persist-credentials: false
     # NOTE: Python is necessary for the pre-rendering (minification) step
@@ -23,7 +23,7 @@ jobs:
     # packages such as PyPlot.
     # - run: pip install matplotlib
     - name: Install Julia
-      uses: julia-actions/setup-julia@v1
+      uses: julia-actions/setup-julia@v2
       with:
         version: '1' # Latest stable Julia release.
     # NOTE
diff --git a/index.md b/index.md
index 1d8ae7f..9341a4c 100644
--- a/index.md
+++ b/index.md
@@ -5,4 +5,10 @@
 
 周茂，武汉大学博士生，大地测量方向。
 
+## 其他链接
+
+- [CSL 中文手册](https://github.com/ZMAlt/CSL_Chinese)
+- [GMT 中文手册](https://docs.gmt-china.org/latest/)
+
+
 ----