diff --git a/apps/web/app/versions/[id]/page.tsx b/apps/web/app/versions/[id]/page.tsx
index 0a26db7..b8182cb 100644
--- a/apps/web/app/versions/[id]/page.tsx
+++ b/apps/web/app/versions/[id]/page.tsx
@@ -54,9 +54,9 @@ export default function VersionDetailPage() {
   const { requirements, fetchRequirements, updateRequirement } = useRequirementStore();
   const { records, fetchRecords } = useOvertimeStore();
   const { plans, fetchPlans, createPlan, updatePlan, completePlan, deletePlan } = useVersionPlanStore();
-  const { tasks: devTasks, fetchTasks: fetchDevTasks } = useDevTaskStore();
-  const { testCases, fetchTestCases } = useTestCaseStore();
-  const { bugs, fetchBugs } = useBugStore();
+  const { tasks: devTasks, fetchTasks: fetchDevTasks, deleteTask: deleteDevTask } = useDevTaskStore();
+  const { testCases, fetchTestCases, deleteTestCase } = useTestCaseStore();
+  const { bugs, fetchBugs, deleteBug } = useBugStore();
   const user = useAuthStore((s) => s.user);
   const [activeTab, setActiveTab] = useState('overview');
 
@@ -117,9 +117,17 @@ export default function VersionDetailPage() {
     const buttons: { label: string; action: () => void; danger?: boolean }[] = [];
     if (version.status === 'planned') {
       buttons.push({ label: '删除', action: () => {
-        if (confirm('确认删除该版本？关联的需求会回到需求池。')) {
+        if (confirm('确认删除该版本？关联的需求会回到需求池，版本下的计划、开发任务、测试用例、Bug 将被清除。')) {
           // 释放关联需求
           requirements.filter((r) => r.versionId === version.id).forEach((r) => updateRequirement(r.id, { versionId: undefined, addedToVersionBy: undefined }));
+          // 清理计划任务
+          plans.filter((p) => p.versionId === version.id).forEach((p) => deletePlan(p.id));
+          // 清理开发任务
+          const versionReqIds = new Set(requirements.filter((r) => r.versionId === version.id).map((r) => r.id));
+          devTasks.filter((t) => versionReqIds.has(t.requirementId)).forEach((t) => deleteDevTask(t.id));
+          // 清理测试用例和Bug
+          testCases.filter((c) => c.versionId === version.id).forEach((c) => deleteTestCase(c.id));
+          bugs.filter((b) => b.versionId === version.id).forEach((b) => deleteBug(b.id));
           deleteVersion(version.productId, version.id);
           router.push('/versions');
         }
@@ -152,7 +160,15 @@ export default function VersionDetailPage() {
             <ChevronLeft className="h-3.5 w-3.5" strokeWidth={2} />版本
           </button>
           <span className="ml-2 text-[var(--ink-muted)]">/</span>
-          <span className="ml-2 text-[15px] font-semibold text-[var(--ink)]">{version.name}</span>
+          <button onClick={() => router.push('/products')} className="ml-2 text-[12px] text-[var(--ink-muted)] hover:text-[var(--accent)] hover:underline">{version.productName}</button>
+          {version.projectName && version.projectName !== '未关联' && (
+            <>
+              <span className="ml-1.5 text-[var(--ink-muted)]">/</span>
+              <span className="ml-1.5 text-[12px] text-[var(--ink-muted)]">{version.projectName}</span>
+            </>
+          )}
+          <span className="ml-1.5 text-[var(--ink-muted)]">/</span>
+          <span className="ml-1.5 text-[15px] font-semibold text-[var(--ink)]">{version.name}</span>
         </div>
         <div className="flex items-center gap-2">{renderActions()}</div>
       </header>
@@ -236,13 +252,15 @@ export default function VersionDetailPage() {
                 </div>
 
                 {/* 统计卡片 */}
-                <div className="grid grid-cols-6 gap-3">
-                  <StatCard label="加班时长" value={`${totalOTHours}h`} accent />
+                <div className="grid grid-cols-4 gap-3 sm:grid-cols-8">
                   <StatCard label="关联需求" value={versionReqs.length} />
+                  <StatCard label="计划任务" value={plans.filter((p) => p.versionId === version.id).length} />
+                  <StatCard label="开发任务" value={versionDevTasks.length} />
+                  <StatCard label="测试用例" value={versionTCs.length} />
                   <StatCard label="待开发" value={devTaskTodo} />
                   <StatCard label="开发中" value={devTaskInProgress} accent />
-                  <StatCard label="阻塞中" value={devTaskBlocked} warn={devTaskBlocked > 0} />
                   <StatCard label="未关闭Bug" value={bugOpenCount} warn={bugOpenCount > 0} />
+                  <StatCard label="加班时长" value={`${totalOTHours}h`} accent />
                 </div>
 
                 {/* 风险详情（胶囊条上方） */}