diff --git a/deploy/scripts/deploy-development-service.sh b/deploy/scripts/deploy-development-service.sh
index 4803077dd..6819b9113 100644
--- a/deploy/scripts/deploy-development-service.sh
+++ b/deploy/scripts/deploy-development-service.sh
@@ -13,6 +13,7 @@ ENV_FILE="$4"
 
 SSH_TARGET="${DEVELOPMENT_SSH_TARGET:-deploy@172.31.198.8}"
 SSH_KEY="${DEVELOPMENT_SSH_KEY:-/var/jenkins_home/.ssh/dev_deploy}"
+SSH_KNOWN_HOSTS="${DEVELOPMENT_SSH_KNOWN_HOSTS:-/var/jenkins_home/.ssh/known_hosts}"
 REMOTE_DIR="${DEVELOPMENT_DEPLOY_DIR:-/opt/firstleg/application}"
 COMPOSE_FILE="deploy/docker-compose.yml"
 
@@ -20,6 +21,10 @@ if [ ! -f "$SSH_KEY" ]; then
   echo "开发环境 SSH 私钥不存在: $SSH_KEY" >&2
   exit 2
 fi
+if [ ! -f "$SSH_KNOWN_HOSTS" ]; then
+  echo "SSH 主机指纹文件不存在: $SSH_KNOWN_HOSTS" >&2
+  exit 2
+fi
 if [ ! -f "$ENV_FILE" ]; then
   echo "开发环境变量文件不存在: $ENV_FILE" >&2
   exit 2
@@ -43,6 +48,7 @@ run_ssh() {
   ssh -i "$SSH_KEY" \
     -o BatchMode=yes \
     -o StrictHostKeyChecking=yes \
+    -o UserKnownHostsFile="$SSH_KNOWN_HOSTS" \
     -o ConnectTimeout=10 \
     "$SSH_TARGET" "$@"
 }
@@ -51,6 +57,7 @@ run_scp() {
   scp -i "$SSH_KEY" \
     -o BatchMode=yes \
     -o StrictHostKeyChecking=yes \
+    -o UserKnownHostsFile="$SSH_KNOWN_HOSTS" \
     -o ConnectTimeout=10 \
     "$@"
 }