diff --git a/config/permission.json b/config/permission.json
index 87be38f0..3084d925 100644
--- a/config/permission.json
+++ b/config/permission.json
@@ -281,6 +281,9 @@
     {"name": "indices.exists_template", "methods":["get"],
       "path": "/_template/:name"
     },
+    {"name": "indices.field_usage_stats", "methods":["get"],
+      "path": "/:index_name/_field_usage_stats"
+    },
     {"name": "doc.*", "methods": ["*"],
       "path": "/:index_name/:doctype"
     },
diff --git a/env_check.go b/env_check.go
index a771cf54..395c7df1 100644
--- a/env_check.go
+++ b/env_check.go
@@ -67,7 +67,7 @@ func checkElasticsearchRequire() error{
 
 	versionNumber, err := jsonparser.GetString(result.Body, "version", "number")
 	if err != nil {
-		return fmt.Errorf("check elasticsearch requirement error: %v", err)
+		return fmt.Errorf("check elasticsearch requirement error: %v, got response: %s", err, string(result.Body))
 	}
 	cr, err := util.VersionCompare(versionNumber, "7.3")
 	if  err !=nil {
diff --git a/main.go b/main.go
index e901cdff..8ea2eeba 100644
--- a/main.go
+++ b/main.go
@@ -15,6 +15,7 @@ import (
 	_ "infini.sh/framework/core/log"
 	"infini.sh/framework/core/module"
 	"infini.sh/framework/core/orm"
+	"infini.sh/framework/modules/agent"
 	_ "infini.sh/framework/modules/api"
 	elastic2 "infini.sh/framework/modules/elastic"
 	"infini.sh/framework/modules/filter"
@@ -73,6 +74,7 @@ func main() {
 		module.RegisterSystemModule(&ui.UIModule{})
 		module.RegisterSystemModule(&pipeline.PipeModule{})
 		module.RegisterSystemModule(&task.TaskModule{})
+		module.RegisterSystemModule(&agent.AgentModule{})
 
 		module.RegisterUserPlugin(&metrics.MetricsModule{})
 
diff --git a/plugin/api/insight/metadata.go b/plugin/api/insight/metadata.go
index 22219421..0554e1a6 100644
--- a/plugin/api/insight/metadata.go
+++ b/plugin/api/insight/metadata.go
@@ -335,10 +335,10 @@ func getMetadataByIndexPattern(clusterID, indexPattern, timeField string, filter
 				if timeField == "" {
 					seriesType = "pie"
 				}else {
-					//if aggField.Type == "string"{
+					if aggField.Type == "string"{
 						seriesType = "column"
 						options["seriesField"] = "group"
-					//}
+					}
 				}
 			}
 			var defaultAggType string
@@ -414,6 +414,7 @@ func countFieldValue(fields []string, clusterID, indexPattern string, filter int
 	}
 	if filter != nil {
 		queryDsl["query"] = filter
+		queryDsl["aggs"] = aggs
 	}
 	esClient := elastic.GetClient(clusterID)
 	searchRes, err := esClient.SearchWithRawQueryDSL(indexPattern, util.MustToJSONBytes(queryDsl))
@@ -433,6 +434,12 @@ func countFieldValue(fields []string, clusterID, indexPattern string, filter int
 					fieldsCount[key] = mAgg["value"].(float64)
 				}
 			}
+		}else{
+			for key, agg := range aggsM {
+				if mAgg, ok := agg.(map[string]interface{});ok{
+					fieldsCount[key] = mAgg["value"].(float64)
+				}
+			}
 		}
 
 	}