diff --git a/cmd/climc/shell/monitor/commonalert.go b/cmd/climc/shell/monitor/commonalert.go
index 27ff72cebd..c9167b95f7 100644
--- a/cmd/climc/shell/monitor/commonalert.go
+++ b/cmd/climc/shell/monitor/commonalert.go
@@ -77,9 +77,7 @@ func newCommonAlertQuery(tem *CommonAlertTerm) *monitorapi.CommonAlertQuery {
 		mq.Selects = append(mq.Selects, selectPart)
 	}
 	if len(tem.Filters) != 0 {
-		for _, filter := range tem.Filters {
-			mq.Tags = append(mq.Tags, filter)
-		}
+		mq.Tags = append(mq.Tags, tem.Filters...)
 	}
 
 	alertQ := new(monitorapi.AlertQuery)
diff --git a/pkg/cloudcommon/notifyclient/notify_internal.go b/pkg/cloudcommon/notifyclient/notify_internal.go
index d1ab543263..d66249f73f 100644
--- a/pkg/cloudcommon/notifyclient/notify_internal.go
+++ b/pkg/cloudcommon/notifyclient/notify_internal.go
@@ -201,9 +201,7 @@ func genMsgViaLang(ctx context.Context, p sNotifyParams) ([]npk.SNotifyMessage,
 				uidSet.Insert(id)
 			}
 		}
-		for _, uid := range uidSet.UnsortedList() {
-			reIds = append(reIds, uid)
-		}
+		reIds = append(reIds, uidSet.UnsortedList()...)
 	} else {
 		reIds = p.recipientId
 	}
diff --git a/pkg/cloudcommon/validators/errors.go b/pkg/cloudcommon/validators/errors.go
index 3ccb4d7526..eaa07add1b 100644
--- a/pkg/cloudcommon/validators/errors.go
+++ b/pkg/cloudcommon/validators/errors.go
@@ -137,9 +137,7 @@ func newInvalidStructError(key string, err error) error {
 	jsonClientErr, ok := err.(*httputils.JSONClientError)
 	if ok {
 		errFmt += httputils.MsgTmplToFmt(jsonClientErr.Data.Id)
-		for _, f := range jsonClientErr.Data.Fields {
-			params = append(params, f)
-		}
+		params = append(params, jsonClientErr.Data.Fields...)
 	}
 	return newError(ERR_INVALID_VALUE, errFmt, params...)
 }
diff --git a/pkg/mcclient/modules/notify/mod_notification.go b/pkg/mcclient/modules/notify/mod_notification.go
index ca48cdb52d..1dff6ae665 100644
--- a/pkg/mcclient/modules/notify/mod_notification.go
+++ b/pkg/mcclient/modules/notify/mod_notification.go
@@ -76,9 +76,7 @@ func (manager *NotificationManager) Send(s *mcclient.ClientSession, msg SNotifyM
 				uidSet.Insert(id)
 			}
 		}
-		for _, uid := range uidSet.UnsortedList() {
-			receiverIds = append(receiverIds, uid)
-		}
+		receiverIds = append(receiverIds, uidSet.UnsortedList()...)
 	}
 	receiverIds = append(receiverIds, msg.Uid...)
 
diff --git a/pkg/mcclient/options/k8s/fed_clusterrole.go b/pkg/mcclient/options/k8s/fed_clusterrole.go
index 7929d33589..bef896578d 100644
--- a/pkg/mcclient/options/k8s/fed_clusterrole.go
+++ b/pkg/mcclient/options/k8s/fed_clusterrole.go
@@ -72,15 +72,9 @@ func parsePolicyRule(rule string) (*PolicyRule, error) {
 		APIGroups: []string{},
 		Resources: []string{},
 	}
-	for _, group := range strings.Split(groupStr, ",") {
-		ret.APIGroups = append(ret.APIGroups, group)
-	}
-	for _, res := range strings.Split(resourceStr, ",") {
-		ret.Resources = append(ret.Resources, res)
-	}
-	for _, verb := range strings.Split(verbStr, ",") {
-		ret.Verbs = append(ret.Verbs, verb)
-	}
+	ret.APIGroups = append(ret.APIGroups, strings.Split(groupStr, ",")...)
+	ret.Resources = append(ret.Resources, strings.Split(resourceStr, ",")...)
+	ret.Verbs = append(ret.Verbs, strings.Split(verbStr, ",")...)
 	return ret, nil
 }
 
diff --git a/pkg/monitor/models/monitor_resource_sync.go b/pkg/monitor/models/monitor_resource_sync.go
index 954243518c..e8d74807e3 100644
--- a/pkg/monitor/models/monitor_resource_sync.go
+++ b/pkg/monitor/models/monitor_resource_sync.go
@@ -348,9 +348,7 @@ func ListAllResources(manager modulebase.Manager, params *jsonutils.JSONDict) ([
 		if err != nil {
 			return nil, errors.Wrapf(err, "list %s resources with params %s", manager.KeyString(), params.String())
 		}
-		for _, data := range result.Data {
-			objs = append(objs, data)
-		}
+		objs = append(objs, result.Data...)
 		total := result.Total
 		count = count + len(result.Data)
 		if count >= total {
diff --git a/pkg/webconsole/command/command.go b/pkg/webconsole/command/command.go
index 2a70350b07..dea691bd66 100644
--- a/pkg/webconsole/command/command.go
+++ b/pkg/webconsole/command/command.go
@@ -56,9 +56,7 @@ func (c *BaseCommand) GetClientSession() *mcclient.ClientSession {
 }
 
 func (c *BaseCommand) AppendArgs(args ...string) *BaseCommand {
-	for _, arg := range args {
-		c.args = append(c.args, arg)
-	}
+	c.args = append(c.args, args...)
 	return c
 }