diff --git a/main.go b/main.go
index 631ed05..a5d7488 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"encoding/json"
+	"log"
 	"time"
 
 	_ "github.com/go-sql-driver/mysql"
@@ -30,7 +31,11 @@ func main() {
 
 	cla := engine.Table("count_live_anchors")
 
-	cur, err := mdb.C.CountLiveAnchors.Find(context.TODO(), bson.M{})
+	start, err := time.ParseInLocation("2006-01-02 15:04:03", "2020-11-30 16:29:17", time.Local)
+	if err != nil {
+		panic(err)
+	}
+	cur, err := mdb.C.CountLiveAnchors.Find(context.TODO(), bson.M{"create_at": bson.M{"$gte": start}})
 	if err != nil {
 		panic(err)
 	}
@@ -52,7 +57,7 @@ func main() {
 		c.CountMap = string(data)
 		_, err = cla.Insert(c)
 		if err != nil {
-			panic(err)
+			log.Println(err)
 		}
 	}
 }