diff --git a/apps/web/app/workspace/page.tsx b/apps/web/app/workspace/page.tsx
index 84b38e5..1f7cf0b 100644
--- a/apps/web/app/workspace/page.tsx
+++ b/apps/web/app/workspace/page.tsx
@@ -222,16 +222,16 @@ export default function WorkspacePage() {
 
       {/* Detail Drawers */}
       {drawerItem && (drawerItem.type === 'plan_research' || drawerItem.type === 'plan_product' || drawerItem.type === 'plan_ui') && (
-        <PlanDetailDrawer planId={drawerItem.id} onClose={() => setDrawerItem(null)} />
+        <PlanDetailDrawer planId={drawerItem.id} onClose={() => setDrawerItem(null)} contextLabel={`${drawerItem.productName} / ${drawerItem.projectName} / ${drawerItem.versionName}`} />
       )}
       {drawerItem && drawerItem.type === 'devTask' && (
-        <DevTaskDetailDrawer taskId={drawerItem.id} allTaskIds={devTasks.map((t) => t.id)} onClose={() => setDrawerItem(null)} />
+        <DevTaskDetailDrawer taskId={drawerItem.id} allTaskIds={devTasks.map((t) => t.id)} onClose={() => setDrawerItem(null)} contextLabel={`${drawerItem.productName} / ${drawerItem.projectName} / ${drawerItem.versionName}`} />
       )}
       {drawerItem && drawerItem.type === 'testCase' && (
-        <TestCaseDetailDrawer testCaseId={drawerItem.id} onClose={() => setDrawerItem(null)} onCreateBug={(tcId) => { setDrawerItem(null); setBugFromTestCaseId(tcId); }} />
+        <TestCaseDetailDrawer testCaseId={drawerItem.id} onClose={() => setDrawerItem(null)} onCreateBug={(tcId) => { setDrawerItem(null); setBugFromTestCaseId(tcId); }} contextLabel={`${drawerItem.productName} / ${drawerItem.projectName} / ${drawerItem.versionName}`} />
       )}
       {drawerItem && drawerItem.type === 'bug' && (
-        <BugDetailDrawer bugId={drawerItem.id} onClose={() => setDrawerItem(null)} />
+        <BugDetailDrawer bugId={drawerItem.id} onClose={() => setDrawerItem(null)} contextLabel={`${drawerItem.productName} / ${drawerItem.projectName} / ${drawerItem.versionName}`} />
       )}
       {bugFromTestCaseId && (
         <BugCreateModal testCaseId={bugFromTestCaseId} onClose={() => setBugFromTestCaseId(null)} />
diff --git a/apps/web/components/bug/BugDetailDrawer.tsx b/apps/web/components/bug/BugDetailDrawer.tsx
index 28b490a..e90581e 100644
--- a/apps/web/components/bug/BugDetailDrawer.tsx
+++ b/apps/web/components/bug/BugDetailDrawer.tsx
@@ -21,9 +21,10 @@ const LOG_ACTION_LABEL: Record<string, string> = {
 interface Props {
   bugId: string;
   onClose: () => void;
+  contextLabel?: string;
 }
 
-export function BugDetailDrawer({ bugId, onClose }: Props) {
+export function BugDetailDrawer({ bugId, onClose, contextLabel }: Props) {
   const { bugs, changeStatus, transferBug } = useBugStore();
   const { testCases } = useTestCaseStore();
   const { requirements } = useRequirementStore();
@@ -66,6 +67,11 @@ export function BugDetailDrawer({ bugId, onClose }: Props) {
   return (
     <div className="fixed inset-0 z-50 flex justify-end" onClick={onClose}>
       <div className="w-full max-w-md h-full bg-[var(--bg)] border-l border-[var(--line)] shadow-2xl flex flex-col" onClick={(e) => e.stopPropagation()}>
+        {contextLabel && (
+          <div className="px-5 py-2 border-b border-[var(--line)] bg-[var(--bg-subtle)] shrink-0">
+            <span className="text-[11px] text-[var(--ink-muted)]">{contextLabel}</span>
+          </div>
+        )}
         <div className="flex items-center justify-between h-14 px-5 border-b border-[var(--line)] bg-[var(--bg-card)] shrink-0">
           <div className="flex items-center gap-2">
             <span className="text-[12px] font-mono text-[var(--ink-muted)]">{bug.bugNo}</span>
diff --git a/apps/web/components/dev-task/DevTaskDetailDrawer.tsx b/apps/web/components/dev-task/DevTaskDetailDrawer.tsx
index 0d880a2..b9955e5 100644
--- a/apps/web/components/dev-task/DevTaskDetailDrawer.tsx
+++ b/apps/web/components/dev-task/DevTaskDetailDrawer.tsx
@@ -15,9 +15,10 @@ interface Props {
   taskId: string;
   allTaskIds: string[];
   onClose: () => void;
+  contextLabel?: string;
 }
 
-export function DevTaskDetailDrawer({ taskId, allTaskIds, onClose }: Props) {
+export function DevTaskDetailDrawer({ taskId, allTaskIds, onClose, contextLabel }: Props) {
   const { tasks, changeStatus, setBlocked, deleteTask, updateTask } = useDevTaskStore();
   const { categories } = useTaskCategoryStore();
   const { requirements } = useRequirementStore();
@@ -56,6 +57,12 @@ export function DevTaskDetailDrawer({ taskId, allTaskIds, onClose }: Props) {
   return (
     <div className="fixed inset-0 z-50 flex justify-end" onClick={onClose}>
       <div className="w-full max-w-md h-full bg-[var(--bg)] border-l border-[var(--line)] shadow-2xl flex flex-col" onClick={(e) => e.stopPropagation()}>
+        {/* 上下文 */}
+        {contextLabel && (
+          <div className="px-5 py-2 border-b border-[var(--line)] bg-[var(--bg-subtle)] shrink-0">
+            <span className="text-[11px] text-[var(--ink-muted)]">{contextLabel}</span>
+          </div>
+        )}
         {/* 顶栏 */}
         <div className="flex items-center justify-between h-14 px-5 border-b border-[var(--line)] bg-[var(--bg-card)] shrink-0">
           <div className="flex items-center gap-2">
diff --git a/apps/web/components/test-case/TestCaseDetailDrawer.tsx b/apps/web/components/test-case/TestCaseDetailDrawer.tsx
index 7ba3e29..75ecd13 100644
--- a/apps/web/components/test-case/TestCaseDetailDrawer.tsx
+++ b/apps/web/components/test-case/TestCaseDetailDrawer.tsx
@@ -17,9 +17,10 @@ interface Props {
   testCaseId: string;
   onClose: () => void;
   onCreateBug?: (testCaseId: string) => void;
+  contextLabel?: string;
 }
 
-export function TestCaseDetailDrawer({ testCaseId, onClose, onCreateBug }: Props) {
+export function TestCaseDetailDrawer({ testCaseId, onClose, onCreateBug, contextLabel }: Props) {
   const { testCases, changeStatus, deleteTestCase, updateTestCase } = useTestCaseStore();
   const { bugs } = useBugStore();
   const { requirements } = useRequirementStore();
@@ -60,6 +61,11 @@ export function TestCaseDetailDrawer({ testCaseId, onClose, onCreateBug }: Props
   return (
     <div className="fixed inset-0 z-50 flex justify-end" onClick={onClose}>
       <div className="w-full max-w-md h-full bg-[var(--bg)] border-l border-[var(--line)] shadow-2xl flex flex-col" onClick={(e) => e.stopPropagation()}>
+        {contextLabel && (
+          <div className="px-5 py-2 border-b border-[var(--line)] bg-[var(--bg-subtle)] shrink-0">
+            <span className="text-[11px] text-[var(--ink-muted)]">{contextLabel}</span>
+          </div>
+        )}
         <div className="flex items-center justify-between h-14 px-5 border-b border-[var(--line)] bg-[var(--bg-card)] shrink-0">
           <div className="flex items-center gap-2">
             <span className="text-[12px] font-mono text-[var(--ink-muted)]">{tc.caseNo}</span>
diff --git a/apps/web/components/version/PlanDetailDrawer.tsx b/apps/web/components/version/PlanDetailDrawer.tsx
index 7d9d375..c1ece92 100644
--- a/apps/web/components/version/PlanDetailDrawer.tsx
+++ b/apps/web/components/version/PlanDetailDrawer.tsx
@@ -11,13 +11,14 @@ import type { PlanTask, VersionPlan } from '@/lib/version-plan';
 interface Props {
   planId: string;
   onClose: () => void;
+  contextLabel?: string;
 }
 
 const STATUS_STYLE: Record<string, string> = { pending: 'bg-zinc-100 text-zinc-600', in_progress: 'bg-blue-50 text-blue-600', completed: 'bg-emerald-50 text-emerald-600' };
 const STATUS_LABEL: Record<string, string> = { pending: '未开始', in_progress: '进行中', completed: '已完成' };
 const TYPE_LABEL: Record<string, string> = { research: '调研', product: '产品方案', ui: 'UI设计' };
 
-export function PlanDetailDrawer({ planId, onClose }: Props) {
+export function PlanDetailDrawer({ planId, onClose, contextLabel }: Props) {
   const { plans, updatePlan, completePlan } = useVersionPlanStore();
   const { requirements } = useRequirementStore();
   const { members } = useMemberStore();
@@ -77,6 +78,12 @@ export function PlanDetailDrawer({ planId, onClose }: Props) {
   return (
     <div className="fixed inset-0 z-50 flex justify-end" onClick={onClose}>
       <div className="w-full max-w-md h-full bg-[var(--bg)] border-l border-[var(--line)] shadow-2xl flex flex-col overflow-hidden" onClick={(e) => e.stopPropagation()}>
+        {/* Context */}
+        {contextLabel && (
+          <div className="px-5 py-2 border-b border-[var(--line)] bg-[var(--bg-subtle)] shrink-0">
+            <span className="text-[11px] text-[var(--ink-muted)]">{contextLabel}</span>
+          </div>
+        )}
         {/* Header */}
         <div className="flex items-center justify-between px-5 py-4 border-b border-[var(--line)] shrink-0">
           <div className="flex items-center gap-2">