check if hub is initialized.

xuyi · Feb 5, 2017 · 05626ca · 05626ca
1 parent 08bed9e
commit 05626ca
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/app/proxyman/inbound/worker.go b/app/proxyman/inbound/worker.go
@@ -245,8 +245,10 @@ func (w *udpWorker) Start() error {
 }
 
 func (w *udpWorker) Close() {
-	w.hub.Close()
-	w.cancel()
+	if w.hub != nil {
+		w.hub.Close()
+		w.cancel()
+	}
 }
 
 func (w *udpWorker) monitor() {