From c79192e2ce06066b7439127e3b03fc09a5954091 Mon Sep 17 00:00:00 2001
From: kevin <kevin@lmve.net>
Date: Mon, 13 Apr 2026 23:02:10 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E7=BA=BF=E7=A8=8Bdelay?=
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---
 crawler/crawler.go | 37 ++++++++++++++++++++-----------------
 sese-engine-ui     |  2 +-
 2 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/crawler/crawler.go b/crawler/crawler.go
index 782c389..16f588e 100644
--- a/crawler/crawler.go
+++ b/crawler/crawler.go
@@ -623,26 +623,29 @@ func (c *Crawler) Run(entryURL string, maxEpoch int) {
 			c.updateCrawlStatus(func(cs *CrawlStatus) {
 				cs.IsRunning = false
 			})
-			// 空循环等 normalChildCh，新数据到达后立即从 epoch 0 重新开始
-			for {
-				select {
-				case gc, ok := <-c.normalChildCh:
-					if !ok {
-						// channel 已关闭（正常情况或 stop 时关闭）
-						return
-					}
-					newLinks = append(newLinks, gc)
-					log.Printf("[crawler] new URLs detected, restarting from epoch 0 (%d in pool)", len(newLinks))
-					c.updateCrawlStatus(func(cs *CrawlStatus) {
-						cs.IsRunning = true
-					})
-					ep = -1 // continue 后 ep++ 变成 0
-					goto restartEpochLoop // 退出空循环，进入正常队列处理
-				case <-c.stopCh:
-					// 收到停止信号
+		// 空循环等 normalChildCh，新数据到达后立即从 epoch 0 重新开始
+		// 加 1000ms 睡眠避免 CPU 空转轮询
+		for {
+			select {
+			case gc, ok := <-c.normalChildCh:
+				if !ok {
+					// channel 已关闭（正常情况或 stop 时关闭）
 					return
 				}
+				newLinks = append(newLinks, gc)
+				log.Printf("[crawler] new URLs detected, restarting from epoch 0 (%d in pool)", len(newLinks))
+				c.updateCrawlStatus(func(cs *CrawlStatus) {
+					cs.IsRunning = true
+				})
+				ep = -1 // continue 后 ep++ 变成 0
+				goto restartEpochLoop // 退出空循环，进入正常队列处理
+			case <-c.stopCh:
+				// 收到停止信号
+				return
+			case <-time.After(1000 * time.Millisecond):
+				// 每 1000ms 检查一次，降低 CPU 占用
 			}
+		}
 		restartEpochLoop:
 		}
 
diff --git a/sese-engine-ui b/sese-engine-ui
index 52c1b9d..60e897f 160000
--- a/sese-engine-ui
+++ b/sese-engine-ui
@@ -1 +1 @@
-Subproject commit 52c1b9de996d12e63bc2774f502dad3cec08bc6c
+Subproject commit 60e897f110866903ab30d74eb16d8e61214aea47