Take interrupt signal into account to stop command line client when setting up obfs4 connection

client/client.go

@@ -236,7 +236,7 @@ func (c *Client) createObfs4Connection(obfs4Endpoint *Obfs4Config) (*Obfs4Conn,
 		return nil, err
 	}
 
-	ctx, cancel := context.WithTimeout(context.Background(), dialGiveUpTime)
+	ctx, cancel := context.WithTimeout(c.ctx, dialGiveUpTime)
 	defer cancel()
 
 	if c.kcpConfig.Enabled {