diff --git a/pkg/ring-controller/agent/deploymentworker.go b/pkg/ring-controller/agent/deploymentworker.go
index 69f830e33e15294fb3d8e83c508b1498247b07e4..04084522470e962251a1c073b400d502e8a6f88c 100644
--- a/pkg/ring-controller/agent/deploymentworker.go
+++ b/pkg/ring-controller/agent/deploymentworker.go
@@ -16,6 +16,7 @@ package agent
 
 import (
 	"fmt"
+	"sync"
 	"time"
 
 	"huawei.com/npu-exporter/v5/common-utils/hwlog"
@@ -39,6 +40,7 @@ func NewDeploymentWorker(agent *BusinessAgent, deploy DeployInfo, ranktable rank
 			configmapData:     ranktable,
 			statisticStopped:  false,
 			cachedPodNum:      0,
+			cachedPods:        &sync.Map{},
 			taskReplicasTotal: replicasTotal,
 			cachedIndex:       newCachedIndex(int(replicasTotal)),
 		},
diff --git a/pkg/ring-controller/agent/vcjobworker.go b/pkg/ring-controller/agent/vcjobworker.go
index c9c820665f48ab200c50667fc3b7b76ed66f18ec..308626c35e7c13ceeb5aaef357044983ec37b734 100644
--- a/pkg/ring-controller/agent/vcjobworker.go
+++ b/pkg/ring-controller/agent/vcjobworker.go
@@ -460,7 +460,9 @@ func (b *WorkerInfo) handleDeleteEvent(podInfo *podIdentifier) error {
 		b.cachedIndex.Store(rankIndex, false)
 	}
 	hwlog.RunLog.Infof("data of pod %s/%s is removed", podInfo.namespace, podInfo.name)
-	b.cachedPods.Delete(podInfo.uid)
+	if b.cachedPods != nil {
+		b.cachedPods.Delete(podInfo.uid)
+	}
 	b.configmapData.DeletePod(podInfo.uid)
 	b.modifyStatistics(-1)
 	return nil