diff --git a/cluster/router/condition/listenable_router.go b/cluster/router/condition/listenable_router.go
index 31d158b3f92526d21640e94c877c1aa87954fdac..4b7b56ff97b9cdb9daed1f0d842615a6948394e1 100644
--- a/cluster/router/condition/listenable_router.go
+++ b/cluster/router/condition/listenable_router.go
@@ -19,7 +19,6 @@ package condition
 
 import (
 	"fmt"
-	"github.com/apache/dubbo-go/common/constant"
 )
 
 import (
@@ -29,6 +28,7 @@ import (
 import (
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/common/config"
+	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/logger"
 	"github.com/apache/dubbo-go/config_center"
 	"github.com/apache/dubbo-go/protocol"