diff --git a/script/install.deb.sh b/script/install.deb.sh
index 161f198..66c7193 100755
--- a/script/install.deb.sh
+++ b/script/install.deb.sh
@@ -53,8 +53,9 @@ get_arch() {
 
 # 添加 APT 源并更新
 add_apt_repository() {
-    echo "deb [trusted=yes] https://${GITEA_SERVER}/api/packages/${GITEA_OWNER}/debian stable main" \
-        >/etc/apt/sources.list.d/xxxigcc.list
+    curl https://${GITEA_SERVER}/api/packages/${GITEA_OWNER}/debian/repository.key -o /etc/apt/keyrings/gitea-${GITEA_OWNER}.asc
+    echo "deb [signed-by=/etc/apt/keyrings/gitea-${GITEA_OWNER}.asc] https://${GITEA_SERVER}/api/packages/${GITEA_OWNER}/debian stable main" \
+        >/etc/apt/sources.list.d/${GITEA_OWNER}.list
     apt-get update -qq
 }