diff --git a/analyzer/tcp/socks5.go b/analyzer/tcp/socks5.go
index 6977e94..64f2225 100644
--- a/analyzer/tcp/socks5.go
+++ b/analyzer/tcp/socks5.go
@@ -35,7 +35,7 @@ func (a *Socks5Analyzer) Name() string {
 
 func (a *Socks5Analyzer) Limit() int {
 	// TODO: more precise calculate
-	return 0
+	return 1298
 }
 
 func (a *Socks5Analyzer) NewTCP(info analyzer.TCPInfo, logger analyzer.Logger) analyzer.TCPStream {