diff --git a/code/client/pool/conn.go b/code/client/pool/conn.go
index 6184526..cf1c82d 100644
--- a/code/client/pool/conn.go
+++ b/code/client/pool/conn.go
@@ -114,15 +114,7 @@ func (conn *Conn) loopRead(cancel context.CancelFunc) {
 		if ch == nil {
 			ch = conn.unknownRead
 		}
-		select {
-		case ch <- msg:
-		case <-time.After(conn.parent.cfg.ReadTimeout):
-			logging.Error("write read channel for link %s timeouted", linkID)
-			if ch == conn.unknownRead {
-				continue
-			}
-			close(ch)
-		}
+		ch <- msg
 	}
 }
 
diff --git a/code/client/tunnel/link.go b/code/client/tunnel/link.go
index 82305fd..5d9d062 100644
--- a/code/client/tunnel/link.go
+++ b/code/client/tunnel/link.go
@@ -89,7 +89,7 @@ func (link *Link) localRead() {
 			if !link.closeFromRemote {
 				link.remote.SendDisconnect(link.target, link.targetIdx, link.id)
 			}
-			// logging.Error("read data on tunnel %s link %s failed, err=%v", link.parent.Name, link.id, err)
+			logging.Error("read data on tunnel %s link %s failed, err=%v", link.parent.Name, link.id, err)
 			return
 		}
 		if n == 0 {