diff --git a/README.md b/README.md
index bcc6acd..450c379 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ cli-kintone is a command line utility for kintone.
 
 ## Version
 
-0.3
+0.4
 
 ## How to Build
 
diff --git a/export.go b/export.go
index fe283bf..ce00e63 100644
--- a/export.go
+++ b/export.go
@@ -14,7 +14,7 @@ import (
 
 func getRecords(app *kintone.App, fields []string, offset int64) ([]*kintone.Record, error) {
 
-	newQuery := config.query + fmt.Sprintf(" limit %v offset %v", ROW_LIMIT, offset)
+	newQuery := config.query + fmt.Sprintf(" limit %v offset %v", EXPORT_ROW_LIMIT, offset)
 	records, err := app.GetRecords(fields, newQuery)
 	if err != nil {
 		return nil, err
@@ -36,7 +36,7 @@ func writeJson(app *kintone.App) error {
 	writer := getWriter()
 
 	fmt.Fprint(writer, "{\"records\": [\n")
-	for ;;offset += ROW_LIMIT {
+	for ;;offset += EXPORT_ROW_LIMIT {
 		records, err := getRecords(app, config.fields, offset)
 		if err != nil {
 			return err
@@ -50,7 +50,7 @@ func writeJson(app *kintone.App) error {
 			fmt.Fprint(writer, json)
 			i += 1
 		}
-		if len(records) < ROW_LIMIT {
+		if len(records) < EXPORT_ROW_LIMIT {
 			break
 		}
 	}
@@ -145,13 +145,13 @@ func writeCsv(app *kintone.App) error {
 		return err
 	}
 
-	for ;;offset += ROW_LIMIT {
+	hasTable := false
+	for ;;offset += EXPORT_ROW_LIMIT {
 		records, err := getRecords(app, config.fields, offset)
 		if err != nil {
 			return err
 		}
 
-		hasTable := false
 		for _, record := range records {
 			if i == 0 {
 				// write csv header
@@ -216,7 +216,7 @@ func writeCsv(app *kintone.App) error {
 			}
 			i++
 		}
-		if len(records) < ROW_LIMIT {
+		if len(records) < EXPORT_ROW_LIMIT {
 			break
 		}
 	}
diff --git a/import.go b/import.go
index 33067f8..df575ae 100644
--- a/import.go
+++ b/import.go
@@ -50,7 +50,7 @@ func readCsv(app *kintone.App, filePath string) error {
 
 	head := true
 	updating := false
-	records := make([]*kintone.Record, 0, ROW_LIMIT)
+	records := make([]*kintone.Record, 0, IMPORT_ROW_LIMIT)
 	var columns Columns
 
 	// retrieve field list
@@ -157,9 +157,9 @@ func readCsv(app *kintone.App, filePath string) error {
 			} else {
 				records = append(records, kintone.NewRecord(record))
 			}
-			if len(records) >= ROW_LIMIT {
+			if len(records) >= IMPORT_ROW_LIMIT {
 				upsert(app, records[:], updating)
-				records = make([]*kintone.Record, 0, ROW_LIMIT)
+				records = make([]*kintone.Record, 0, IMPORT_ROW_LIMIT)
 			}
 		}
 	}
@@ -189,7 +189,7 @@ func upsert(app *kintone.App, recs []*kintone.Record, updating bool)  error {
 func deleteRecords(app *kintone.App) error {
 	var lastId uint64 = 0
 	for {
-		ids := make([]uint64, 0, ROW_LIMIT)
+		ids := make([]uint64, 0, IMPORT_ROW_LIMIT)
 		records, err := getRecords(app, []string{"$id"}, 0)
 		if err != nil {
 			return err
@@ -204,7 +204,7 @@ func deleteRecords(app *kintone.App) error {
 			return err
 		}
 
-		if len(records) < ROW_LIMIT {
+		if len(records) < IMPORT_ROW_LIMIT {
 			break
 		}
 		if lastId == ids[0] {
diff --git a/main.go b/main.go
index 6de81c6..01fc890 100644
--- a/main.go
+++ b/main.go
@@ -32,7 +32,8 @@ type Configure struct {
 
 var config Configure
 
-const ROW_LIMIT = 100
+const IMPORT_ROW_LIMIT = 100
+const EXPORT_ROW_LIMIT = 500
 
 type Column struct {
 	Code        string