From dd46e7a3eb6728cd77bd425867a173a2f96c66dd Mon Sep 17 00:00:00 2001
From: Li Wei <liwei-8466@qq.com>
Date: Mon, 6 Mar 2023 21:09:31 +0800
Subject: [PATCH] fix: crash caused by non-resumable http download resources
 (#97)

---
 internal/protocol/http/fetcher.go      | 2 +-
 internal/protocol/http/fetcher_test.go | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/protocol/http/fetcher.go b/internal/protocol/http/fetcher.go
index 7d4d8a66..cb8ae1ec 100644
--- a/internal/protocol/http/fetcher.go
+++ b/internal/protocol/http/fetcher.go
@@ -250,7 +250,7 @@ func (f *Fetcher) filepath() string {
 func (f *Fetcher) fetch() {
 	f.ctx, f.cancel = context.WithCancel(context.Background())
 	eg, _ := errgroup.WithContext(f.ctx)
-	for i := 0; i < f.meta.Opts.Extra.(*fhttp.OptsExtra).Connections; i++ {
+	for i := 0; i < len(f.chunks); i++ {
 		i := i
 		eg.Go(func() error {
 			return f.fetchChunk(i)
diff --git a/internal/protocol/http/fetcher_test.go b/internal/protocol/http/fetcher_test.go
index cf4f35ed..def01f3e 100644
--- a/internal/protocol/http/fetcher_test.go
+++ b/internal/protocol/http/fetcher_test.go
@@ -79,6 +79,7 @@ func TestFetcher_DownloadChunked(t *testing.T) {
 	defer listener.Close()
 	// chunked编码下载
 	downloadNormal(listener, 1, t)
+	downloadNormal(listener, 2, t)
 }
 
 func TestFetcher_DownloadPost(t *testing.T) {