diff --git a/funcs/swifstat.go b/funcs/swifstat.go
index 17d4a80..a722a11 100644
--- a/funcs/swifstat.go
+++ b/funcs/swifstat.go
@@ -132,7 +132,7 @@ func AllSwitchIp() (allIp []string) {
 }
 
 func SwIfMetrics() (L []*model.MetricValue) {
-	if g.Config().Switch.Enabled && len(g.Config().Switch.IpRange) > 0 {
+	if g.Config().Switch.Enabled {
 		return swIfMetrics()
 	}
 	return
diff --git a/g/const.go b/g/const.go
index d5c4a49..9891484 100644
--- a/g/const.go
+++ b/g/const.go
@@ -25,6 +25,6 @@ import (
 // 4.1.1 n9e mode support debug
 // 4.2.0 support get allip from ecmc nodes
 const (
-	VERSION          = "4.2.0"
+	VERSION          = "4.2.1"
 	COLLECT_INTERVAL = time.Second
 )