diff --git a/internal/cmd/cmd.go b/internal/cmd/cmd.go
index f636a19..e99f8a9 100644
--- a/internal/cmd/cmd.go
+++ b/internal/cmd/cmd.go
@@ -34,7 +34,7 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 
 	f_input  string
 	f_output string
-	f_limit  int
+	f_limit  uint64
 	f_type   string
 	f_source string
 	f_sort   string
@@ -61,7 +61,7 @@ func init() {
 	rootCommand.Flags().StringVar(&f_sort, "sort", "", "sort, <field>:<direction> format, for example: time:desc or name:asc")
 	rootCommand.Flags().StringVarP(&f_query, "query", "q", "", `query dsl, example: {"bool":{"must":[{"term":{"name":{"value":"some_name"}}}],"must_not":[{"range":{"age":{"gte":18,"lt":60}}}]}}`)
 	rootCommand.Flags().StringVar(&f_query_file, "query_file", "", `query json file (will execute line by line)`)
-	rootCommand.Flags().IntVarP(&f_limit, "limit", "l", 100, "")
+	rootCommand.Flags().Uint64VarP(&f_limit, "limit", "l", 100, "")
 }
 
 func Start(ctx context.Context) error {
diff --git a/internal/interfaces/dumpio.go b/internal/interfaces/dumpio.go
index ff6e6b7..76d6532 100644
--- a/internal/interfaces/dumpio.go
+++ b/internal/interfaces/dumpio.go
@@ -6,7 +6,7 @@ import (
 )
 
 type DumpIO interface {
-	ReadData(ctx context.Context, size int, query map[string]any, includeFields []string, sort []string) (<-chan []*model.ESSource, <-chan error)
+	ReadData(ctx context.Context, size uint64, query map[string]any, includeFields []string, sort []string) (<-chan []*model.ESSource, <-chan error)
 	WriteData(ctx context.Context, docsCh <-chan []*model.ESSource) error
 
 	ReadMapping(context.Context) (map[string]any, error)
diff --git a/internal/xes/xes6.go b/internal/xes/xes6.go
index 57081a0..ad455ab 100644
--- a/internal/xes/xes6.go
+++ b/internal/xes/xes6.go
@@ -135,7 +135,7 @@ func (c *clientv6) Close() error {
 	return nil
 }
 
-func (c *clientv6) ReadData(ctx context.Context, size int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
+func (c *clientv6) ReadData(ctx context.Context, size uint64, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
 	dch, ech := es6.ReadData(ctx, c.client, c.index, size, 0, query, source, sort)
 
 	return dch, ech
diff --git a/internal/xes/xes7.go b/internal/xes/xes7.go
index 7ffcaab..5e40dd7 100644
--- a/internal/xes/xes7.go
+++ b/internal/xes/xes7.go
@@ -70,7 +70,7 @@ func (c *client) Close() error {
 	return nil
 }
 
-func (c *client) ReadData(ctx context.Context, size int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
+func (c *client) ReadData(ctx context.Context, size uint64, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
 	dch, ech := es7.ReadDataV2(ctx, c.client, c.index, size, 0, query, source, sort)
 
 	return dch, ech
diff --git a/internal/xfile/xfile.go b/internal/xfile/xfile.go
index bfb251b..d4047e5 100644
--- a/internal/xfile/xfile.go
+++ b/internal/xfile/xfile.go
@@ -110,14 +110,14 @@ func (c *client) IsFile() bool {
 	return true
 }
 
-func (c *client) ReadData(ctx context.Context, size int, _ map[string]any, _ []string, _ []string) (<-chan []*model.ESSource, <-chan error) {
+func (c *client) ReadData(ctx context.Context, size uint64, _ map[string]any, _ []string, _ []string) (<-chan []*model.ESSource, <-chan error) {
 	var (
 		err   error
-		count = 0
-		list  = make([]*model.ESSource, 0, size)
-		dch   = make(chan []*model.ESSource)
-		ech   = make(chan error)
-		ready = make(chan bool)
+		count uint64 = 0
+		list         = make([]*model.ESSource, 0, size)
+		dch          = make(chan []*model.ESSource)
+		ech          = make(chan error)
+		ready        = make(chan bool)
 	)
 
 	go func(ctx context.Context) {
diff --git a/readme.md b/readme.md
index 49774dd..e928ba1 100644
--- a/readme.md
+++ b/readme.md
@@ -53,7 +53,8 @@ esgo2dump --input=http://127.0.0.1:9200/some_index --output=./data.json --query_
 - [x] es to file
 - [x] es to es
 - [x] auto create index with mapping
+- [x] support es6
+- [ ] [Feature Request #1](https://github.com/loveuer/esgo2dump/issues/1): Supports more than 10,000 lines of query_file
 - [ ] args: split_size (auto split json output file)
 - [ ] auto create index with mapping,setting
-- [x] support es6
 - [ ] support es8
diff --git a/xes/es6/read.go b/xes/es6/read.go
index 4af13bd..fe4d4e1 100644
--- a/xes/es6/read.go
+++ b/xes/es6/read.go
@@ -14,7 +14,7 @@ import (
 	"time"
 )
 
-func ReadData(ctx context.Context, client *elastic.Client, index string, size, max int, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
+func ReadData(ctx context.Context, client *elastic.Client, index string, size, max uint64, query map[string]any, source []string, sort []string) (<-chan []*model.ESSource, <-chan error) {
 	var (
 		dataCh = make(chan []*model.ESSource)
 		errCh  = make(chan error)
@@ -26,7 +26,7 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 			resp     *esapi.Response
 			result   = new(model.ESResponseV6)
 			scrollId string
-			total    int
+			total    uint64
 		)
 
 		defer func() {
@@ -63,7 +63,7 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 		qs := []func(*esapi.SearchRequest){
 			client.Search.WithContext(util.TimeoutCtx(ctx, 20)),
 			client.Search.WithIndex(index),
-			client.Search.WithSize(size),
+			client.Search.WithSize(int(size)),
 			client.Search.WithFrom(0),
 			client.Search.WithScroll(time.Duration(120) * time.Second),
 		}
@@ -106,9 +106,9 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 		scrollId = result.ScrollId
 
 		dataCh <- result.Hits.Hits
-		total += len(result.Hits.Hits)
+		total += uint64(len(result.Hits.Hits))
 
-		if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
+		if uint64(len(result.Hits.Hits)) < size || (max > 0 && total >= max) {
 			return
 		}
 
@@ -135,9 +135,9 @@ func ReadData(ctx context.Context, client *elastic.Client, index string, size, m
 			}
 
 			dataCh <- result.Hits.Hits
-			total += len(result.Hits.Hits)
+			total += uint64(len(result.Hits.Hits))
 
-			if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
+			if uint64(len(result.Hits.Hits)) < size || (max > 0 && total >= max) {
 				break
 			}
 		}
diff --git a/xes/es7/read.go b/xes/es7/read.go
index 4a6f539..cdb8013 100644
--- a/xes/es7/read.go
+++ b/xes/es7/read.go
@@ -159,7 +159,7 @@ func ReadDataV2(
 	ctx context.Context,
 	client *elastic.Client,
 	index string,
-	size, max int,
+	size, max uint64,
 	query map[string]any,
 	source []string,
 	sort []string,
@@ -174,9 +174,9 @@ func ReadDataV2(
 			err         error
 			bs          []byte
 			resp        *esapi.Response
-			searchAfter = make([]any, 0)
-			total       = 0
-			body        = make(map[string]any)
+			searchAfter        = make([]any, 0)
+			total       uint64 = 0
+			body               = make(map[string]any)
 			qs          []func(request *esapi.SearchRequest)
 		)
 
@@ -203,7 +203,7 @@ func ReadDataV2(
 			qs = []func(*esapi.SearchRequest){
 				client.Search.WithContext(util.TimeoutCtx(ctx, 30)),
 				client.Search.WithIndex(index),
-				client.Search.WithSize(util.Min(size, max-total)),
+				client.Search.WithSize(int(util.Min(size, max-total))),
 				client.Search.WithSort(sorts...),
 			}
 
@@ -245,9 +245,9 @@ func ReadDataV2(
 			}
 
 			dataCh <- result.Hits.Hits
-			total += len(result.Hits.Hits)
+			total += uint64(len(result.Hits.Hits))
 
-			if len(result.Hits.Hits) < size || (max > 0 && total >= max) {
+			if uint64(len(result.Hits.Hits)) < size || (max > 0 && total >= max) {
 				break
 			}