diff --git a/cmd/haoquote/main.go b/cmd/haoquote/main.go
index 9bf3b4e2..fd9b817e 100644
--- a/cmd/haoquote/main.go
+++ b/cmd/haoquote/main.go
@@ -78,7 +78,7 @@ func main() {
 
 			rc := app.RedisInit()
 			ctext := context.Background()
-			haoquote.Start(&ctext, rc, db)
+			haoquote.Run(&ctext, rc, db)
 			return nil
 		},
 	}
diff --git a/haoquote/main.go b/haoquote/main.go
index 89406212..f0c14e4f 100644
--- a/haoquote/main.go
+++ b/haoquote/main.go
@@ -9,10 +9,11 @@ import (
 	"github.com/spf13/viper"
 	"github.com/yzimhao/trading_engine/haoquote/tradelog"
 	"github.com/yzimhao/trading_engine/haoquote/www"
+	"github.com/yzimhao/trading_engine/utils/filecache"
 	"xorm.io/xorm"
 )
 
-func Start(ctx *context.Context, rc *redis.Client, db *xorm.Engine) {
+func Run(ctx *context.Context, rc *redis.Client, db *xorm.Engine) {
 	wg := sync.WaitGroup{}
 	wg.Add(1)
 	init_symbols_quote()
@@ -24,6 +25,7 @@ func Start(ctx *context.Context, rc *redis.Client, db *xorm.Engine) {
 
 func init_symbols_quote() {
 	symbols := viper.GetStringMap("symbol")
+	filecache.NewStorage(viper.GetString("haoquote.storage_path"), 1)
 
 	for k, attr := range symbols {
 		symbol := strings.ToLower(k)
diff --git a/haoquote/period/period_cache.go b/haoquote/period/period_cache.go
index d45b259a..20cc0d08 100644
--- a/haoquote/period/period_cache.go
+++ b/haoquote/period/period_cache.go
@@ -21,7 +21,7 @@ func (c periodCachekey) Format(pt PeriodType, symbol string, st, et int64) strin
 }
 
 func newCache() *filecache.Storage {
-	return filecache.NewStorage(viper.GetString("haoquote.storage_path"), 10)
+	return filecache.NewStorage(viper.GetString("haoquote.storage_path"), 1)
 }
 
 func GetYesterdayClose(symbol string) (string, bool) {
diff --git a/utils/filecache/storage.go b/utils/filecache/storage.go
index 0f95bcc9..f0949bf5 100644
--- a/utils/filecache/storage.go
+++ b/utils/filecache/storage.go
@@ -15,7 +15,6 @@ type Storage struct {
 var obj *Storage
 
 func NewStorage(filename string, timeout time.Duration) *Storage {
-
 	if obj == nil {
 		db, err := bolt.Open(filename, 0600, &bolt.Options{Timeout: timeout * time.Second})
 		if err != nil {