diff --git a/manager/manager.go b/manager/manager.go
index 999307b3f..d1a37314a 100644
--- a/manager/manager.go
+++ b/manager/manager.go
@@ -19,7 +19,6 @@ package manager
 import (
 	"context"
 	"embed"
-	"errors"
 	"fmt"
 	"io/fs"
 	"net"
@@ -318,7 +317,7 @@ func (s *Server) Serve() error {
 	// Generate GRPC listener.
 	ip, ok := ip.FormatIP(s.config.Server.GRPC.ListenIP.String())
 	if !ok {
-		return errors.New("format ip failed")
+		return fmt.Errorf("format ip failed: %s", ip)
 	}
 
 	listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", ip, s.config.Server.GRPC.Port.Start))
diff --git a/scheduler/scheduler.go b/scheduler/scheduler.go
index 9d347e2bf..dcd743997 100644
--- a/scheduler/scheduler.go
+++ b/scheduler/scheduler.go
@@ -18,7 +18,6 @@ package scheduler
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"net"
 	"net/http"
@@ -269,7 +268,7 @@ func (s *Server) Serve() error {
 	// Generate GRPC listener.
 	ip, ok := ip.FormatIP(s.config.Server.ListenIP.String())
 	if !ok {
-		return errors.New("format ip failed")
+		return fmt.Errorf("format ip failed: %s", ip)
 	}
 
 	listener, err := net.Listen("tcp", fmt.Sprintf("%s:%d", ip, s.config.Server.Port))