diff --git a/cmd/tke-installer/app/installer/installer.go b/cmd/tke-installer/app/installer/installer.go
index c0bb4ff23..aa65a9991 100644
--- a/cmd/tke-installer/app/installer/installer.go
+++ b/cmd/tke-installer/app/installer/installer.go
@@ -594,6 +594,7 @@ func (t *TKE) setConfigDefault(config *types.Config) {
 		}
 	}
 
+	config.Logagent = new(types.Logagent)
 }
 func (t *TKE) setClusterDefault(cluster *platformv1.Cluster, config *types.Config) {
 	if cluster.APIVersion == "" {
diff --git a/cmd/tke-installer/app/installer/types/types.go b/cmd/tke-installer/app/installer/types/types.go
index 7d00964f3..d56199937 100644
--- a/cmd/tke-installer/app/installer/types/types.go
+++ b/cmd/tke-installer/app/installer/types/types.go
@@ -39,7 +39,7 @@ type Config struct {
 	Registry  Registry  `json:"registry"`
 	Business  *Business `json:"business,omitempty"`
 	Monitor   *Monitor  `json:"monitor,omitempty"`
-	Logagent  Logagent  `json:"logagent,omitempty"`
+	Logagent  *Logagent `json:"logagent,omitempty"`
 	HA        *HA       `json:"ha,omitempty"`
 	Gateway   *Gateway  `json:"gateway,omitempty"`
 	Audit     *Audit    `json:"audit,omitempty"`