diff --git a/apis/v1alpha1/gameserver_types.go b/apis/v1alpha1/gameserver_types.go
index 67c12d4..f91a7ce 100644
--- a/apis/v1alpha1/gameserver_types.go
+++ b/apis/v1alpha1/gameserver_types.go
@@ -23,16 +23,17 @@ import (
 )
 
 const (
-	GameServerStateKey           = "game.kruise.io/gs-state"
-	GameServerOpsStateKey        = "game.kruise.io/gs-opsState"
-	GameServerUpdatePriorityKey  = "game.kruise.io/gs-update-priority"
-	GameServerDeletePriorityKey  = "game.kruise.io/gs-delete-priority"
-	GameServerDeletingKey        = "game.kruise.io/gs-deleting"
-	GameServerNetworkType        = "game.kruise.io/network-type"
-	GameServerNetworkConf        = "game.kruise.io/network-conf"
-	GameServerNetworkDisabled    = "game.kruise.io/network-disabled"
-	GameServerNetworkStatus      = "game.kruise.io/network-status"
-	GameServerNetworkTriggerTime = "game.kruise.io/network-trigger-time"
+	GameServerStateKey                = "game.kruise.io/gs-state"
+	GameServerOpsStateKey             = "game.kruise.io/gs-opsState"
+	GameServerUpdatePriorityKey       = "game.kruise.io/gs-update-priority"
+	GameServerDeletePriorityKey       = "game.kruise.io/gs-delete-priority"
+	GameServerDeletingKey             = "game.kruise.io/gs-deleting"
+	GameServerNetworkType             = "game.kruise.io/network-type"
+	GameServerNetworkConf             = "game.kruise.io/network-conf"
+	GameServerNetworkDisabled         = "game.kruise.io/network-disabled"
+	GameServerNetworkStatus           = "game.kruise.io/network-status"
+	GameServerNetworkTriggerTime      = "game.kruise.io/network-trigger-time"
+	GameServerOpsStateLastChangedTime = "game.kruise.io/opsState-last-changed-time"
 )
 
 // GameServerSpec defines the desired state of GameServer
diff --git a/pkg/controllers/gameserver/gameserver_manager.go b/pkg/controllers/gameserver/gameserver_manager.go
index 910c8b1..e87528c 100644
--- a/pkg/controllers/gameserver/gameserver_manager.go
+++ b/pkg/controllers/gameserver/gameserver_manager.go
@@ -110,6 +110,7 @@ func (manager GameServerManager) SyncGsToPod() error {
 	}
 	if string(gs.Spec.OpsState) != podGsOpsState {
 		newLabels[gameKruiseV1alpha1.GameServerOpsStateKey] = string(gs.Spec.OpsState)
+		newAnnotations[gameKruiseV1alpha1.GameServerOpsStateLastChangedTime] = time.Now().Format(TimeFormat)
 		if podGsOpsState != "" {
 			eventType := corev1.EventTypeNormal
 			if gs.Spec.OpsState == gameKruiseV1alpha1.Maintaining {