From c345d4818efa763b07961d6c132afe1cf91845de Mon Sep 17 00:00:00 2001
From: Xray9 <79239158+Xray9@users.noreply.github.com>
Date: Mon, 1 Mar 2021 15:26:53 +0800
Subject: [PATCH] Fix available mux picker in reverse portal (#274)

---
 app/reverse/portal.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/reverse/portal.go b/app/reverse/portal.go
index 0b26f9c2..b0860a6e 100644
--- a/app/reverse/portal.go
+++ b/app/reverse/portal.go
@@ -157,6 +157,9 @@ func (p *StaticMuxPicker) PickAvailable() (*mux.ClientWorker, error) {
 		if w.draining {
 			continue
 		}
+		if w.client.Closed() {
+			continue
+		}
 		if w.client.ActiveConnections() < minConn {
 			minConn = w.client.ActiveConnections()
 			minIdx = i