diff --git a/tools/bypos-collector/main.go b/tools/bypos-collector/main.go
index e5d80a8..009ebfd 100644
--- a/tools/bypos-collector/main.go
+++ b/tools/bypos-collector/main.go
@@ -73,9 +73,13 @@ func main() {
 
 	ln, err := net.Listen("tcp", *addr)
 	if err != nil {
-		log.Printf("错误: 无法监听 %s: %v", *addr, err)
-		waitExit()
-		return
+		log.Printf("端口 %s 被占用，自动选择可用端口...", *addr)
+		ln, err = net.Listen("tcp", "127.0.0.1:0")
+		if err != nil {
+			log.Printf("错误: 无法监听: %v", err)
+			waitExit()
+			return
+		}
 	}
 	realAddr := ln.Addr().String()
 	urlStr := "http://" + realAddr + "/"