子链接不再被 isVisited 过滤

crawler/crawler.go

@@ -258,16 +258,13 @@ func (c *Crawler) runPriorityWorker() {
 			hrefs := c.visitURLUnlimited(rawURL)
 
 		// 将子链接加入优先队列（保持优先级）
+		// 注意：Priority URL 的子链接强制加入队列，即使已访问过也要重新爬取
 		if len(hrefs) > 0 {
 			c.priorityChildrenMu.Lock()
-				added := 0
 			for _, child := range hrefs {
-					if !c.isVisited(child) {
 				c.priorityChildren = append(c.priorityChildren, child)
-						added++
 			}
-				}
+			IncrementPriorityChildren(int64(len(hrefs)))
-				IncrementPriorityChildren(int64(added))
 			c.priorityChildrenMu.Unlock()
 		}