diff --git a/src/constants/project.ts b/src/constants/project.ts
index b69aa62..813f34b 100644
--- a/src/constants/project.ts
+++ b/src/constants/project.ts
@@ -92,14 +92,17 @@ const LEGACY_STATUS_MAP: Record<string, string> = {
   abandoned: 'cancelled',
 }
 
+/** 老DB 旧态映射（completed→done / review_ready→in_review 等），新 DB 无此数据 */
+function mapLegacyStatus(status: string): string {
+  return LEGACY_STATUS_MAP[status] ?? status
+}
+
 export function taskStatusLabel(status: string): string {
-  const mapped = LEGACY_STATUS_MAP[status] ?? status
-  return TASK_STATUS_LABELS[mapped] ?? 'tasks.status.todo'
+  return TASK_STATUS_LABELS[mapLegacyStatus(status)] ?? 'tasks.status.todo'
 }
 
 export function taskStatusClass(status: string): string {
-  const mapped = LEGACY_STATUS_MAP[status] ?? status
-  return TASK_STATUS_CLASS[mapped] ?? 'status-todo'
+  return TASK_STATUS_CLASS[mapLegacyStatus(status)] ?? 'status-todo'
 }
 
 // ── 任务优先级 ──