diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 3733fc1..9dd9a27 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -40,8 +40,8 @@ jobs:
       - name: Install LaTeX packages
         run: |
           tlmgr update --self
-          tlmgr option repository http://mirrors.ustc.edu.cn/CTAN/systems/texlive/tlnet/
-          tlmgr install tabulary latexmk ulem environ trimspaces titlesec \
+          tlmgr install --repository http://mirrors.ustc.edu.cn/CTAN/systems/texlive/tlnet/ \
+                      tabulary latexmk ulem environ trimspaces titlesec \
                       varwidth framed threeparttable wrapfig upquote capt-of \
                       multirow eqparbox needspace fncychap letltxmacro parskip \
                       fancyhdr hypcap