diff --git a/src/daemon/dispatcher.py b/src/daemon/dispatcher.py
index bf2ba21..bc2997e 100644
--- a/src/daemon/dispatcher.py
+++ b/src/daemon/dispatcher.py
@@ -670,7 +670,12 @@ class Dispatcher:
     # ══════════════════════════════════════════════
 
     def _task_auto_complete(self, task_id: str, db_path) -> None:
-        """Task on_complete 后自动标 review/failed（三层幻觉门控第一层）"""
+        """Task on_complete 后自动标 review/done/failed（三层幻觉门控第一层）
+
+        设计意图：
+        - 子任务（有 parent_task）：working → review，等 parent review
+        - 顶层任务（无 parent_task）：working → done，直接完成
+        """
         from pathlib import Path
         if not db_path:
             logger.warning("Task %s: no db_path, skip auto_complete", task_id)
@@ -679,8 +684,24 @@ class Dispatcher:
         try:
             passed = self._task_verify_completion(task_id, db_path)
             if passed:
-                logger.info("Task %s: verify passed, marking review", task_id)
-                self._mark_task_status(db_path, task_id, "review")
+                # 判断是否是顶层任务
+                is_top_level = True
+                try:
+                    conn = get_connection(db_path)
+                    try:
+                        row = conn.execute("SELECT parent_task FROM tasks WHERE id=?", (task_id,)).fetchone()
+                        is_top_level = not (row and row["parent_task"])
+                    finally:
+                        conn.close()
+                except Exception:
+                    pass
+
+                if is_top_level:
+                    logger.info("Task %s: top-level task verify passed, marking done", task_id)
+                    self._mark_task_status(db_path, task_id, "done")
+                else:
+                    logger.info("Task %s: sub-task verify passed, marking review", task_id)
+                    self._mark_task_status(db_path, task_id, "review")
             else:
                 logger.info("Task %s: verify not passed (no signal), leaving working", task_id)
         except Exception as e: