diff --git a/.gitea/workflows/docker.yml b/.gitea/workflows/docker.yml
index 457b7a2..9d7b674 100644
--- a/.gitea/workflows/docker.yml
+++ b/.gitea/workflows/docker.yml
@@ -86,11 +86,9 @@ jobs:
             sed -i 's|http://security.debian.org|https://deb.debian.org|g' /etc/apt/sources.list
           else
             echo "创建新的 sources.list..."
-            cat > /etc/apt/sources.list << EOF
-deb https://deb.debian.org/debian bookworm main
-deb https://deb.debian.org/debian bookworm-updates main
-deb https://deb.debian.org/debian-security bookworm-security main
-EOF
+            echo "deb https://deb.debian.org/debian bookworm main" > /etc/apt/sources.list
+            echo "deb https://deb.debian.org/debian bookworm-updates main" >> /etc/apt/sources.list
+            echo "deb https://deb.debian.org/debian-security bookworm-security main" >> /etc/apt/sources.list
           fi
           echo "当前软件源配置:"
           cat /etc/apt/sources.list