diff --git a/apps/web/components/review/ReviewReport.tsx b/apps/web/components/review/ReviewReport.tsx
index 79d2630..33e66c0 100644
--- a/apps/web/components/review/ReviewReport.tsx
+++ b/apps/web/components/review/ReviewReport.tsx
@@ -66,6 +66,9 @@ import { ReviewSummaryRail } from "./ReviewSummaryRail";
 import { StylePanel } from "@/components/style/StylePanel";
 import { RefineView } from "@/components/style/RefineView";
 
+// 命中区闪烁高亮持续时长（朱砂脉冲）。
+const FLASH_DURATION_MS = 900;
+
 interface ReviewReportProps {
   project: ProjectResponse;
   chapterNo: number;
@@ -112,6 +115,16 @@ export function ReviewReport({
     null,
   );
   const seededRef = useRef(false);
+  // flashMark 的收尾定时器句柄：组件卸载或重复触发时清除，避免定时器泄漏。
+  const flashTimerRef = useRef<number | null>(null);
+  useEffect(
+    () => () => {
+      if (flashTimerRef.current !== null) {
+        window.clearTimeout(flashTimerRef.current);
+      }
+    },
+    [],
+  );
 
   // 进页一次性把历史留痕（冲突 + 伏笔建议 + 节奏）种入流状态（无需重审即可裁决/查看）。
   const seededConflicts = useMemo(
@@ -333,7 +346,13 @@ export function ReviewReport({
     const mark = document.getElementById(`draft-mark-${index}`);
     if (!mark) return;
     mark.classList.add("draft-mark-flash");
-    window.setTimeout(() => mark.classList.remove("draft-mark-flash"), 900);
+    if (flashTimerRef.current !== null) {
+      window.clearTimeout(flashTimerRef.current);
+    }
+    flashTimerRef.current = window.setTimeout(() => {
+      mark.classList.remove("draft-mark-flash");
+      flashTimerRef.current = null;
+    }, FLASH_DURATION_MS);
   };
 
   // 跳转/锚点：在可编辑正文里定位、选中并滚动到该冲突对应区域 + 闪烁；定位不到则提示手动查找。