diff --git a/.drone.yml b/.drone.yml
index 4159a84..b6fd414 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -83,7 +83,7 @@ steps:
       - wget 'https://github.com/yuru7/HackGen/releases/download/v2.3.0/HackGenNerd_v2.3.0.zip' -O /tmp/font.zip
       - unzip /tmp/font.zip -d /tmp/font
       - find /tmp/font -type f -name *.ttf | xargs -I% -n 1 cp -p % assets/font/
-      - find content/ -type f -name '*.md' | grep -v '_index' | xargs -n 1 /usr/local/bin/tcardgen -f assets/font/ -o static/ogp/ -c assets/tcardgen.yaml
+      - find content/ -type f -name '*.md' | grep -v '_index' | xargs -n 1 /usr/local/bin/tcardgen -f assets/font/ -o static/ogp/ -c assets/tcardgen.yaml > /dev/null 2>&1
       - find static/ogp/ -type f -name '*.png' | xargs -I% -n 1 img2webp -lossy -q 50 % -o `echo % | sed -e 's/png/webp'`
       - find static/ogp/ -type f -name '*.png' | xargs --no-run-if-empty rm