diff --git a/src/frontend/src/components/TaskModal.tsx b/src/frontend/src/components/TaskModal.tsx
index 596b3e9..ac72ec0 100644
--- a/src/frontend/src/components/TaskModal.tsx
+++ b/src/frontend/src/components/TaskModal.tsx
@@ -606,3 +606,59 @@ export default function TaskModal() {
     </div>
   );
 }
+
+// 项目归属选择器
+function ProjectSelector({ taskId, currentProject, projects }: {
+  taskId: string; currentProject: string | null; projects: Record<string, any>;
+}) {
+  const [moving, setMoving] = useState(false);
+  const pid = currentProject || '';
+  const projName = projects[pid]?.name || pid || '未知项目';
+
+  const handleMove = async (targetPid: string) => {
+    if (targetPid === pid || !pid) return;
+    setMoving(true);
+    try {
+      const res = await fetch(`/api/projects/${pid}/tasks/${taskId}/move`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ target_project_id: targetPid }),
+      });
+      if (res.ok) {
+        const toast = useStore.getState().toast;
+        toast(`✅ 已移动到 ${projects[targetPid]?.name || targetPid}`);
+        useStore.getState().loadV2Tasks();
+      } else {
+        const d = await res.json();
+        useStore.getState().toast(d.detail || '移动失败', 'err');
+      }
+    } catch {
+      useStore.getState().toast('网络错误', 'err');
+    }
+    setMoving(false);
+  };
+
+  const otherProjects = Object.entries(projects).filter(([p]) => p !== pid && !p.startsWith('_'));
+
+  return (
+    <span style={{ position: 'relative', display: 'inline-block' }}>
+      <span style={{ cursor: 'pointer', borderBottom: '1px dashed var(--muted)' }} title="点击切换项目归属">
+        📁 {projName}
+      </span>
+      <select
+        disabled={moving}
+        onChange={(e) => { if (e.target.value) handleMove(e.target.value); }}
+        defaultValue=""
+        style={{
+          position: 'absolute', inset: 0, opacity: 0, cursor: 'pointer',
+          fontSize: 12, border: 'none', background: 'transparent',
+        }}
+      >
+        <option value="" disabled>移动到...</option>
+        {otherProjects.map(([p, info]) => (
+          <option key={p} value={p}>{info.name || p}</option>
+        ))}
+      </select>
+    </span>
+  );
+}