diff --git a/start.sh b/start.sh
index db74f0c..fc9f41a 100755
--- a/start.sh
+++ b/start.sh
@@ -7,12 +7,17 @@ cd "$WORKDIR"
 [ -f .smssend ] && source .smssend
 
 # 运行模式：all(默认，HTTP+poller) / web(仅HTTP，无poller) / worker(仅poller，分布式worker节点)
+# 多 worker 本机/跨机测试：bash start.sh worker <id>（id=1,2,3...，端口 9090+id，pid 独立）
 MODE="${1:-all}"
 case "$MODE" in
-  web)    PORT=9090; PIDFILE="pipeline-web.pid";    PIPELINE_MODE=web ;;
-  worker) PORT=9091; PIDFILE="pipeline-worker.pid"; PIPELINE_MODE=worker ;;
-  all)    PORT=9090; PIDFILE="pipeline.pid";        PIPELINE_MODE=all ;;
-  *) echo "用法: $0 [web|worker|all]"; exit 1 ;;
+  web)    PORT=9090; PIDFILE="pipeline-web.pid"; PIPELINE_MODE=web ;;
+  worker)
+      WID="${2:-1}"
+      PORT=$((9090 + WID))
+      PIDFILE="pipeline-worker-${WID}.pid"
+      PIPELINE_MODE=worker ;;
+  all)    PORT=9090; PIDFILE="pipeline.pid"; PIPELINE_MODE=all ;;
+  *) echo "用法: $0 [web|worker <id>|all]"; exit 1 ;;
 esac
 export PIPELINE_MODE