diff --git a/internal/pool.go b/internal/pool.go
index c06a966..d447d2c 100644
--- a/internal/pool.go
+++ b/internal/pool.go
@@ -31,9 +31,15 @@ var (
 )
 
 func NewPool(ctx context.Context, config *pkg.Config) (*Pool, error) {
+	var u *url.URL
+	var err error
+	if u, err = url.Parse(config.BaseURL); err != nil {
+		return nil, err
+	}
 	pctx, cancel := context.WithCancel(ctx)
 	pool := &Pool{
 		Config:      config,
+		url:         u,
 		ctx:         pctx,
 		cancel:      cancel,
 		client:      ihttp.NewClient(config.Thread, 2, config.ClientType),
@@ -124,6 +130,7 @@ func NewPool(ctx context.Context, config *pkg.Config) (*Pool, error) {
 
 type Pool struct {
 	*pkg.Config
+	url             *url.URL
 	Statistor       *pkg.Statistor
 	client          *ihttp.Client
 	reqPool         *ants.PoolWithFunc
@@ -164,13 +171,16 @@ func (pool *Pool) Init() error {
 	}
 	logs.Log.Info("[baseline.random] " + pool.random.Format([]string{"status", "length", "spend", "title", "frame", "redirect"}))
 
-	if pool.random.RedirectURL != "" {
-		// 自定协议升级
-		// 某些网站http会重定向到https, 如果发现随机目录出现这种情况, 则自定将baseurl升级为https
-		rurl, err := url.Parse(pool.random.RedirectURL)
-		if err == nil && rurl.Hostname() == pool.random.Url.Hostname() && pool.random.Url.Scheme == "http" && rurl.Scheme == "https" {
-			logs.Log.Infof("baseurl %s upgrade http to https", pool.BaseURL)
-			pool.BaseURL = strings.Replace(pool.BaseURL, "http", "https", 1)
+	// 某些网站http会重定向到https, 如果发现随机目录出现这种情况, 则自定将baseurl升级为https
+	if pool.url.Scheme == "http" {
+		if pool.index.RedirectURL != "" {
+			if err := pool.Upgrade(pool.index); err != nil {
+				return err
+			}
+		} else if pool.random.RedirectURL != "" {
+			if err := pool.Upgrade(pool.random); err != nil {
+				return err
+			}
 		}
 	}
 
@@ -471,6 +481,22 @@ func CompareWithExpr(exp *vm.Program, params map[string]interface{}) bool {
 	}
 }
 
+func (pool *Pool) Upgrade(bl *pkg.Baseline) error {
+	rurl, err := url.Parse(bl.RedirectURL)
+	if err == nil && rurl.Hostname() == bl.Url.Hostname() && bl.Url.Scheme == "http" && rurl.Scheme == "https" {
+		logs.Log.Infof("baseurl %s upgrade http to https, reinit", pool.BaseURL)
+		pool.BaseURL = strings.Replace(pool.BaseURL, "http", "https", 1)
+		pool.url.Scheme = "https"
+		// 重新初始化
+		err = pool.Init()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 func (pool *Pool) doRedirect(bl *pkg.Baseline, depth int) {
 	defer pool.wg.Done()
 	if depth >= MaxRedirect {
@@ -596,11 +622,7 @@ func (pool *Pool) doActive() {
 
 func (pool *Pool) doBak() {
 	defer pool.wg.Done()
-	u, err := url.Parse(pool.BaseURL)
-	if err != nil {
-		return
-	}
-	worder, err := words.NewWorderWithDsl("{?0}.{@bak_ext}", [][]string{pkg.BakGenerator(u.Host)}, nil)
+	worder, err := words.NewWorderWithDsl("{?0}.{@bak_ext}", [][]string{pkg.BakGenerator(pool.url.Host)}, nil)
 	if err != nil {
 		return
 	}