diff --git a/plugin/api/index_management/elasticsearch.go b/plugin/api/index_management/elasticsearch.go
index 9bddc632..1cc95478 100644
--- a/plugin/api/index_management/elasticsearch.go
+++ b/plugin/api/index_management/elasticsearch.go
@@ -7,6 +7,7 @@ import (
 	"infini.sh/framework/core/elastic"
 	"infini.sh/framework/core/event"
 	"infini.sh/framework/core/global"
+	"infini.sh/framework/core/graph"
 	"infini.sh/framework/core/host"
 	"infini.sh/framework/core/orm"
 	"infini.sh/framework/core/util"
@@ -322,3 +323,155 @@ func (handler APIHandler) getGroupMetric(indexName, field string, filter interfa
 	}
 	return groups, nil
 }
+
+func (h *APIHandler) ClusterOverTreeMap(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
+
+	clusterID := ps.ByName("id")
+
+	queryLatency := util.MapStr{
+		"size": 0,
+		"aggs": util.MapStr{
+			"indices": util.MapStr{
+				"terms": util.MapStr{
+					"field": "metadata.labels.index_name",
+					"size":  1000,
+				},
+				"aggs": util.MapStr{
+					"recent_15m": util.MapStr{
+						"auto_date_histogram": util.MapStr{
+							"field":            "timestamp",
+							"minimum_interval": "minute", //es7.3 and above
+							"buckets":          12,
+						},
+						"aggs": util.MapStr{
+							"max_query_count": util.MapStr{
+								"max": util.MapStr{
+									"field": "payload.elasticsearch.index_stats.primaries.search.query_total",
+								},
+							},
+							"query_count_deriv": util.MapStr{
+								"derivative": util.MapStr{
+									"buckets_path": "max_query_count",
+								},
+							},
+							"max_query_time": util.MapStr{
+								"max": util.MapStr{
+									"field": "payload.elasticsearch.index_stats.primaries.search.query_time_in_millis",
+								},
+							},
+							"query_time_deriv": util.MapStr{
+								"derivative": util.MapStr{
+									"buckets_path": "max_query_time",
+								},
+							},
+							"query_latency": util.MapStr{
+								"bucket_script": util.MapStr{
+									"buckets_path": util.MapStr{
+										"my_var1": "query_time_deriv",
+										"my_var2": "query_count_deriv",
+									},
+									"script": "params.my_var1 / params.my_var2",
+								},
+							},
+						},
+					},
+					"max_query_latency": util.MapStr{
+						"max_bucket": util.MapStr{
+							"buckets_path": "recent_15m>query_latency",
+						},
+					},
+					"sort": util.MapStr{
+						"bucket_sort": util.MapStr{
+							"sort": []util.MapStr{
+								{
+									"max_query_latency": util.MapStr{
+										"order": "desc",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		"query": util.MapStr{
+			"bool": util.MapStr{
+				"must_not": []util.MapStr{{
+					"term": util.MapStr{
+						"metadata.labels.index_name": util.MapStr{
+							"value": "_all",
+						},
+					},
+				},
+				},
+				"must": []util.MapStr{
+					{
+						"match": util.MapStr{
+							"metadata.name": "index_stats",
+						}},
+					util.MapStr{
+						"term": util.MapStr{
+							"metadata.labels.cluster_id": util.MapStr{
+								"value": clusterID,
+							},
+						},
+					},
+				},
+				"filter": []util.MapStr{
+					{
+						"range": util.MapStr{
+							"timestamp": util.MapStr{
+								"gte": "now-7d",
+								"lte": "now",
+							},
+						},
+					},
+				},
+			}},
+	}
+
+	q := orm.Query{WildcardIndex: true}
+	q.AddQueryArgs("filter_path", "aggregations.indices.buckets.key,aggregations.indices.buckets.max_query_latency")
+	q.RawQuery = util.MustToJSONBytes(queryLatency)
+	err, searchR1 := orm.Search(&event.Event{}, &q)
+	if err != nil {
+		h.WriteError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	searchResponse := elastic.SearchResponse{}
+	err = util.FromJSONBytes(searchR1.Raw, &searchResponse)
+	if err != nil {
+		h.WriteError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	root := graph.NestedNode{Name: "root"}
+
+	indices, ok := searchResponse.Aggregations["indices"]
+	if ok {
+		buckets := indices.Buckets
+		for _, item := range buckets {
+			indexName := item["key"]
+			latencyObj, ok := item["max_query_latency"].(map[string]interface{})
+			if ok {
+				v := latencyObj["value"]
+				date := latencyObj["keys"].([]interface{})
+				root.Add(indexName.(string), date[0].(string), v.(float64))
+			}
+		}
+	}
+
+	result := util.MapStr{
+		"_index": ".infini-graph",
+		"_type":  "_doc",
+		"_id":    "graph-1",
+		"_source": util.MapStr{
+			"name": "Avg search latency by index",
+			"unit": "ms",
+			"data": root,
+		},
+	}
+
+	h.Write(w, util.MustToJSONBytes(result))
+}
\ No newline at end of file
diff --git a/plugin/api/init.go b/plugin/api/init.go
index 8b020da4..281f3e27 100644
--- a/plugin/api/init.go
+++ b/plugin/api/init.go
@@ -53,7 +53,7 @@ func Init(cfg *config.AppConfig) {
 	api.HandleAPIMethod(api.GET, path.Join(pathPrefix, "elasticsearch/command"), handler.RequirePermission(handler.HandleQueryCommonCommandAction, enum.PermissionCommandRead))
 	api.HandleAPIMethod(api.DELETE, path.Join(pathPrefix, "elasticsearch/command/:cid"), handler.RequirePermission(handler.HandleDeleteCommonCommandAction, enum.PermissionCommandWrite))
 	api.HandleAPIMethod(api.GET, "/elasticsearch/overview/status", handler.RequireLogin(handler.ElasticsearchStatusSummaryAction))
-
+	api.HandleAPIMethod(api.GET, "/elasticsearch/:id/overview/treemap", handler.RequireClusterPermission(handler.RequirePermission(handler.ClusterOverTreeMap, enum.PermissionElasticsearchMetricRead)))
 	//task.RegisterScheduleTask(task.ScheduleTask{
 	//	Description: "sync reindex task result",
 	//	Task: func() {