diff --git a/alist.go b/alist.go
index 138b8eb3..c62f2921 100644
--- a/alist.go
+++ b/alist.go
@@ -48,8 +48,8 @@ func main() {
 	base := fmt.Sprintf("%s:%d", conf.Conf.Address, conf.Conf.Port)
 	log.Infof("start server @ %s", base)
 	var err error
-	if conf.Conf.Https {
-		err = r.RunTLS(base, conf.Conf.CertFile, conf.Conf.KeyFile)
+	if conf.Conf.Scheme.Https {
+		err = r.RunTLS(base, conf.Conf.Scheme.CertFile, conf.Conf.Scheme.KeyFile)
 	} else {
 		err = r.Run(base)
 	}
diff --git a/bootstrap/cache.go b/bootstrap/cache.go
index 2ea7efd6..7d9dfba1 100644
--- a/bootstrap/cache.go
+++ b/bootstrap/cache.go
@@ -12,7 +12,11 @@ import (
 // InitCache init cache
 func InitCache() {
 	log.Infof("init cache...")
-	goCacheClient := goCache.New(60*time.Minute, 120*time.Minute)
+	c := conf.Conf.Cache
+	if c.Expiration == 0 {
+		c.Expiration, c.CleanupInterval = 60, 120
+	}
+	goCacheClient := goCache.New(time.Duration(c.Expiration)*time.Minute, time.Duration(c.CleanupInterval)*time.Minute)
 	goCacheStore := store.NewGoCache(goCacheClient, nil)
 	conf.Cache = cache.New(goCacheStore)
 }
diff --git a/conf/config.go b/conf/config.go
index 147dba83..9efb19ed 100644
--- a/conf/config.go
+++ b/conf/config.go
@@ -10,14 +10,25 @@ type Database struct {
 	TablePrefix string `json:"table_prefix"`
 	DBFile      string `json:"db_file"`
 }
+
+type Scheme struct {
+	Https    bool   `json:"https"`
+	CertFile string `json:"cert_file"`
+	KeyFile  string `json:"key_file"`
+}
+
+type CacheConfig struct {
+	Expiration      int64 `json:"expiration"`
+	CleanupInterval int64 `json:"cleanup_interval"`
+}
+
 type Config struct {
-	Address  string   `json:"address"`
-	Port     int      `json:"port"`
-	Database Database `json:"database"`
-	Https    bool     `json:"https"`
-	CertFile string   `json:"cert_file"`
-	KeyFile  string   `json:"key_file"`
-	Local    bool     `json:"local"`
+	Address  string      `json:"address"`
+	Port     int         `json:"port"`
+	Local    bool        `json:"local"`
+	Database Database    `json:"database"`
+	Scheme   Scheme      `json:"scheme"`
+	Cache    CacheConfig `json:"cache"`
 }
 
 func DefaultConfig() *Config {
@@ -30,5 +41,9 @@ func DefaultConfig() *Config {
 			TablePrefix: "x_",
 			DBFile:      "data/data.db",
 		},
+		Cache: CacheConfig{
+			Expiration:      60,
+			CleanupInterval: 120,
+		},
 	}
 }