diff --git a/server/src/es/insert.go b/server/src/es/insert.go
index c24dd70..bb12197 100644
--- a/server/src/es/insert.go
+++ b/server/src/es/insert.go
@@ -25,9 +25,10 @@ func Insert(d *pb.EsMetrics) {
 
 	index := indexName(uint32(d.Ts / 1000))
 
-	_, err = theClient.Index(index, bytes.NewReader(ab))
+	re, err := theClient.Index(index, bytes.NewReader(ab))
 	if err != nil {
 		zj.W(`insert fail:`, err)
 		return
 	}
+	re.Body.Close()
 }
diff --git a/server/src/es/test.go b/server/src/es/test.go
index 93e76cb..a5d2a88 100644
--- a/server/src/es/test.go
+++ b/server/src/es/test.go
@@ -64,6 +64,6 @@ func Test() {
 		}
 		Insert(d)
 
-		time.Sleep(time.Second / 2)
+		time.Sleep(time.Second / 10)
 	}
 }