diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index 32b4580..5e4b96f 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -31,8 +31,8 @@ jobs:
           echo "deb https://mirror.nju.edu.cn/ubuntu/ focal-updates main restricted universe multiverse" >> /etc/apt/sources.list
           echo "deb https://mirror.nju.edu.cn/ubuntu/ focal-backports main restricted universe multiverse" >> /etc/apt/sources.list
           echo "deb https://mirror.nju.edu.cn/ubuntu/ focal-security main restricted universe multiverse" >> /etc/apt/sources.list
-          apt-get --allow-unauthenticated update 
-          #apt-get --allow-unauthenticated install -y gnupg 
+          apt-get update --allow-unauthenticated --ignore-missing
+          apt-get install --allow-unauthenticated -y gnupg 
 
       - name: Add missing GPG keys for NJU mirror
         run: |