diff --git a/neo3fura_http/biz/job/job.GetHoldersByContractHash.go b/neo3fura_http/biz/job/job.GetHoldersByContractHash.go
index 98811dd..db8d9e3 100644
--- a/neo3fura_http/biz/job/job.GetHoldersByContractHash.go
+++ b/neo3fura_http/biz/job/job.GetHoldersByContractHash.go
@@ -10,53 +10,28 @@ func (me T) GetHoldersByContractHash() error {
 	message := make(json.RawMessage, 0)
 	ret := &message
 	data := make([]bson.M, 0)
-	r1, _, err := me.Client.QueryAll(struct {
+
+	r0, err := me.Client.QueryAggregate(struct {
 		Collection string
 		Index      string
 		Sort       bson.M
 		Filter     bson.M
+		Pipeline   []bson.M
 		Query      []string
-		Limit      int64
-		Skip       int64
 	}{
-		Collection: "Asset",
+		Collection: "Address-Asset",
 		Index:      "GetHoldersByContractHash",
 		Sort:       bson.M{},
 		Filter:     bson.M{},
-		Query:      []string{},
+		Pipeline: []bson.M{
+			bson.M{"$match": bson.M{"balance": bson.M{"$gt": 0}}},
+			bson.M{"$group": bson.M{"_id": "$asset", "count": bson.M{"$sum": 1}}},
+		},
+		Query: []string{},
 	}, ret)
-	if err != nil {
-		return err
-	}
-	for _, item := range r1 {
-		holders, count, err := me.Client.QueryAll(struct {
-			Collection string
-			Index      string
-			Sort       bson.M
-			Filter     bson.M
-			Query      []string
-			Limit      int64
-			Skip       int64
-		}{
-			Collection: "Address-Asset",
-			Index:      "GetHoldersByContractHash",
-			Sort:       bson.M{"balance": -1},
-			Filter:     bson.M{"asset": item["hash"], "balance": bson.M{"$gt": 0}},
-			Query:      []string{},
-			Limit:      int64(1000),
-		}, ret)
-		if err != nil {
-			return err
-		}
-		f := make(map[string]interface{})
-		count = 0
-		for _, holder := range holders {
-			f[holder["address"].(string)] = 1
-		}
-		for _, _ = range f {
-			count = count + 1
-		}
-		data = append(data, bson.M{item["hash"].(string): count})
+
+	for _, item := range r0 {
+		data = append(data, bson.M{item["_id"].(string): item["count"]})
 	}
 	_, err = me.Client.SaveJob(struct {
 		Collection string
diff --git a/neo3fura_http/lib/cli/src.go b/neo3fura_http/lib/cli/src.go
index 6218fb4..1cac400 100644
--- a/neo3fura_http/lib/cli/src.go
+++ b/neo3fura_http/lib/cli/src.go
@@ -339,12 +339,11 @@ func (me *T) QueryAggregate(args struct {
 	Pipeline   []bson.M
 	Query      []string
 }, ret *json.RawMessage) ([]map[string]interface{}, error) {
-
 	for _, v := range args.Pipeline {
 		limit := v["$limit"]
 		if limit != nil {
 			if limit.(int64) == 0 {
-				v["$limit"] = consts.DefaultLimit
+				//	v["$limit"] = consts.DefaultLimit
 			}
 			if limit.(int64) > consts.MaxLimit {
 				v["$limit"] = consts.MaxLimit
diff --git a/neo3fura_http/lib/type/consts/src.go b/neo3fura_http/lib/type/consts/src.go
index 98d20bc..e942d17 100644
--- a/neo3fura_http/lib/type/consts/src.go
+++ b/neo3fura_http/lib/type/consts/src.go
@@ -7,5 +7,5 @@ const (
 	NEO          = "0xef4073a0f2b305a38ec4050e4d3d28bc40ea63f5"
 	GAS          = "0xd2a4cff31913016155e38e474a2c06d08be276cf"
 	DefaultLimit = 20
-	MaxLimit     = 1000
+	MaxLimit     = 2000
 )