diff --git a/internal/connect/tcp_server.go b/internal/connect/tcp_server.go
index 04d630a..35fb872 100644
--- a/internal/connect/tcp_server.go
+++ b/internal/connect/tcp_server.go
@@ -55,7 +55,7 @@ func (*handler) OnMessage(c *gn.Conn, bytes []byte) {
 
 func (*handler) OnClose(c *gn.Conn, err error) {
 	conn, ok := c.GetData().(*Conn)
-	if !ok {
+	if !ok || conn == nil {
 		return
 	}
 	logger.Logger.Debug("close", zap.String("addr", c.GetAddr()), zap.Int64("user_id", conn.UserId),