diff --git a/install.sh b/install.sh
index e619322..aca27af 100755
--- a/install.sh
+++ b/install.sh
@@ -10,6 +10,7 @@ ROOT=${OVERCOOKED_ROOT:-/opt/overcooked}
 SERVER_IP=${OVERCOOKED_SERVER_IP:-}
 API_PORT=${OVERCOOKED_API_PORT:-8100}
 WEB_PORT=${OVERCOOKED_WEB_PORT:-8111}
+E_PORT=${OVERCOOKED_E_PORT:-8096}
 ACTIVATION_CODE=${OVERCOOKED_ACTIVATION_CODE:-}
 AUTH_URL=${OVERCOOKED_AUTH_URL:-http://148.135.97.10:18091}
 AUTH_PUBLIC_KEYS=${OVERCOOKED_AUTH_PUBLIC_KEYS:-}
@@ -117,7 +118,7 @@ if [ -z "$ACTIVATION_CODE" ]; then
   printf '请输入授权码: ' >&2; IFS= read -r ACTIVATION_CODE
 fi
 [ -n "$ACTIVATION_CODE" ] || die "授权码不能为空"
-check_port "$API_PORT"; check_port "$WEB_PORT"; check_port 8096
+check_port "$API_PORT"; check_port "$WEB_PORT"; check_port "$E_PORT"
 
 install -d -m 700 "$ROOT" "$ROOT/config" "$ROOT/compose" "$ROOT/migrations" "$ROOT/node-images" "$ROOT/control-plane"
 SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
@@ -248,7 +249,7 @@ S_INTERNAL_SHARED_SECRET=$S_INTERNAL_SHARED_SECRET
 S_ACCESS_TOKEN_SECRET=$S_ACCESS_TOKEN_SECRET
 S_SETUP_TOKEN=$S_SETUP_TOKEN
 S_E_BASE_URL=http://e-server:8096
-S_E_PUBLIC_URL=http://$SERVER_IP:8096
+S_E_PUBLIC_URL=http://$SERVER_IP:$E_PORT
 S_E_KEY_ID=customer-e
 S_E_INTERNAL_SECRET=$S_INTERNAL_SHARED_SECRET
 # S's private backend client talks to E on the internal Docker network. This
@@ -269,6 +270,7 @@ S_TURNSTILE_SITE_KEY=${OVERCOOKED_TURNSTILE_SITE_KEY:-}
 S_TURNSTILE_SECRET_KEY=${OVERCOOKED_TURNSTILE_SECRET_KEY:-}
 S_NODE_IMAGE_NAME=$REGISTRY/overcooked-media-node:$VERSION
 PRODUCT_E_IMAGE=$REGISTRY/overcooked-e:$VERSION
+PRODUCT_E_HTTP_PORT_MAPPING=0.0.0.0:$E_PORT:$E_PORT
 PRODUCT_E_INSTANCE_ID=e-$INSTANCE_SUFFIX
 PRODUCT_E_DATABASE_URL=postgres://product_e:$E_POSTGRES_PASSWORD@postgres:5432/product_e?sslmode=disable
 PRODUCT_E_POSTGRES_PASSWORD=$E_POSTGRES_PASSWORD
@@ -385,14 +387,14 @@ wait_for() {
 }
 wait_for "S live" http://127.0.0.1:$API_PORT/health/live
 wait_for "S ready" http://127.0.0.1:$API_PORT/health/ready
-wait_for "E live" http://127.0.0.1:8096/health/live
+wait_for "E live" http://127.0.0.1:$E_PORT/health/live
 wait_for "WebUI" http://127.0.0.1:$WEB_PORT/
 wait_for "Setup" http://127.0.0.1:$WEB_PORT/setup
 
 echo "OverCooked 客户部署已通过容器健康检查。"
 echo "WebUI: http://$SERVER_IP:$WEB_PORT/"
 echo "API:    http://$SERVER_IP:$API_PORT/"
-echo "E:      http://$SERVER_IP:8096/"
+echo "E:      http://$SERVER_IP:$E_PORT/"
 echo "首次初始化: http://$SERVER_IP:$WEB_PORT/setup"
 echo "Setup Token 已保存于 $ENV_FILE（不会在终端显示，请限制文件访问权限）。"
 echo "镜像来源：$REGISTRY（仅公开 E、S Control、S WebUI、Media Node；不包含 Auth 镜像）"