From be925abfdbaa11c70cbb8e47a895724bb6d1d2bc Mon Sep 17 00:00:00 2001
From: yw1573 <yw1573@yeah.net>
Date: Thu, 9 Apr 2026 18:05:17 +0800
Subject: [PATCH] perf: increase download and merge concurrency to 5
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将并发下载数和合并数从 3 提升到 5，加快批量任务处理速度。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 internal/task/task.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/internal/task/task.go b/internal/task/task.go
index 3811738..e657f7b 100644
--- a/internal/task/task.go
+++ b/internal/task/task.go
@@ -73,8 +73,8 @@ type Task struct {
 
 var GlobalTaskList = []*Task{}
 var GlobalTaskMux = &sync.Mutex{}
-var GlobalDownloadSem = util.NewSemaphore(3)
-var GlobalMergeSem = util.NewSemaphore(3)
+var GlobalDownloadSem = util.NewSemaphore(5)
+var GlobalMergeSem = util.NewSemaphore(5)
 
 // cleanupTempFiles 清理任务的临时文件
 func (task *Task) cleanupTempFiles() {