diff --git a/plugin/task_manager/cluster_comparison/cluster_comparison.go b/plugin/task_manager/cluster_comparison/cluster_comparison.go
index ef7ac7ea..9dcaf070 100644
--- a/plugin/task_manager/cluster_comparison/cluster_comparison.go
+++ b/plugin/task_manager/cluster_comparison/cluster_comparison.go
@@ -60,6 +60,10 @@ func (p *processor) handleReadyMajorTask(taskItem *task.Task) error {
 		taskItem.StartTimeInMillis = time.Now().UnixMilli()
 	}
 	taskItem.Status = task.StatusRunning
+	taskItem.Metadata.Labels["total_diff_docs"] = 0
+	taskItem.Metadata.Labels["only_in_source"] = 0
+	taskItem.Metadata.Labels["only_in_target"] = 0
+	taskItem.Metadata.Labels["diff_both"] = 0
 	p.saveTaskAndWriteLog(taskItem, &task.TaskResult{
 		Success: true,
 	}, fmt.Sprintf("cluster comparison task [%s] started", taskItem.ID))
diff --git a/plugin/task_manager/comparison_api.go b/plugin/task_manager/comparison_api.go
index 439aa0c6..05ad2a41 100644
--- a/plugin/task_manager/comparison_api.go
+++ b/plugin/task_manager/comparison_api.go
@@ -83,6 +83,7 @@ func (h *APIHandler) getDataComparisonTaskInfo(w http.ResponseWriter, req *http.
 		taskConfig.Indices[i].Target.Docs = indexState[indexName].TargetTotalDocs
 		taskConfig.Indices[i].ScrollPercent = util.ToFixed(percent, 2)
 		taskConfig.Indices[i].ErrorPartitions = indexState[indexName].ErrorPartitions
+		taskConfig.Indices[i].RunningChildren = indexState[indexName].RunningChildren
 		if count == index.Source.Docs+index.Target.Docs {
 			completedIndices++
 		}
@@ -115,6 +116,7 @@ type ClusterComparisonTaskState struct {
 	TargetTotalDocs  int64
 	TargetScrollDocs int64
 	TotalDiffDocs    int64
+	RunningChildren int
 }
 
 type ComparisonIndexStateInfo struct {
@@ -124,6 +126,7 @@ type ComparisonIndexStateInfo struct {
 	TargetTotalDocs  int64
 	TargetScrollDocs int64
 	TotalDiffDocs    int64
+	RunningChildren int
 }
 
 // TODO: calc realtime info from instance
@@ -188,6 +191,9 @@ func (h *APIHandler) getComparisonMajorTaskInfo(taskID string) (taskStats Cluste
 		if subTask.Status == task.StatusError {
 			st.ErrorPartitions += 1
 		}
+		if subTask.Status == task.StatusRunning {
+			st.RunningChildren++
+		}
 		indexState[indexName] = st
 	}
 
@@ -256,6 +262,9 @@ func (h *APIHandler) getDataComparisonTaskOfIndex(w http.ResponseWriter, req *ht
 		subTaskLabels := util.MapStr(subTask.Metadata.Labels)
 		sourceScrollDocs := migration_util.GetMapIntValue(subTaskLabels, "source_scrolled")
 		targetScrollDocs := migration_util.GetMapIntValue(subTaskLabels, "target_scrolled")
+		onlyInSource := migration_util.GetMapIntValue(subTaskLabels, "only_in_source")
+		onlyInTarget := migration_util.GetMapIntValue(subTaskLabels, "only_in_target")
+		diffBoth := migration_util.GetMapIntValue(subTaskLabels, "diff_both")
 
 		partitionTaskInfo := util.MapStr{
 			"task_id":           subTask.ID,
@@ -267,6 +276,9 @@ func (h *APIHandler) getDataComparisonTaskOfIndex(w http.ResponseWriter, req *ht
 			"duration":          durationInMS,
 			"source_total_docs": cfg.Source.DocCount,
 			"target_total_docs": cfg.Target.DocCount,
+			"only_in_source": onlyInSource,
+			"only_in_target": onlyInTarget,
+			"diff_both": diffBoth,
 		}
 		sourceDumpTask, targetDumpTask, _ := migration_util.SplitIndexComparisonTasks(parentIDPipelineTasks[subTask.ID], &cfg)
 		if sourceDumpTask != nil {
diff --git a/plugin/task_manager/index_comparison/index_comparison.go b/plugin/task_manager/index_comparison/index_comparison.go
index c14d902a..cdcb1bc5 100644
--- a/plugin/task_manager/index_comparison/index_comparison.go
+++ b/plugin/task_manager/index_comparison/index_comparison.go
@@ -362,6 +362,9 @@ func (p *processor) handleRunningSubTask(taskItem *task.Task) error {
 			if onlyInSource > 0 || onlyInTarget > 0 || diffBoth > 0 {
 				now := time.Now()
 				taskItem.Metadata.Labels["total_diff_docs"] = onlyInSource + onlyInTarget + diffBoth
+				taskItem.Metadata.Labels["only_in_source"] = onlyInSource
+				taskItem.Metadata.Labels["only_in_target"] = onlyInTarget
+				taskItem.Metadata.Labels["diff_both"] = diffBoth
 				taskItem.CompletedTime = &now
 				taskItem.Status = task.StatusError
 				p.saveTaskAndWriteLog(taskItem, &task.TaskResult{
@@ -390,6 +393,7 @@ func (p *processor) handleRunningSubTask(taskItem *task.Task) error {
 	now := time.Now()
 	taskItem.CompletedTime = &now
 	taskItem.Status = task.StatusComplete
+	taskItem.Metadata.Labels["total_diff_docs"] = 0
 	p.saveTaskAndWriteLog(taskItem, &task.TaskResult{
 		Success: true,
 	}, "index comparison completed")