diff --git a/zhuyuan-agent/core/hldp_memory.py b/zhuyuan-agent/core/hldp_memory.py
index 54e3c36..549f300 100644
--- a/zhuyuan-agent/core/hldp_memory.py
+++ b/zhuyuan-agent/core/hldp_memory.py
@@ -114,10 +114,23 @@ class HLDPTreeStore:
     def ensure_path(self, path: str, node_type: str, persona_id: str = None,
                     epoch_id: str = None, title: str = "", summary: str = "",
                     parent_path: str = None) -> str:
-        """确保树路径存在，不存在则创建。返回 path。"""
+        """确保树路径存在，不存在则创建（含递归父节点）。返回 path。"""
+        # 先确保父路径存在
+        if parent_path:
+            parent_exists = self.conn.execute(
+                "SELECT 1 FROM hldp_nodes WHERE path=?", (parent_path,)).fetchone()
+            if not parent_exists:
+                # 递归创建父节点
+                grandparent = "/".join(parent_path.split("/")[:-1]) if "/" in parent_path else None
+                pp_type = "epoch" if parent_path.count("/") == 2 else \
+                          "index" if parent_path.count("/") == 3 else "branch"
+                self.ensure_path(
+                    path=parent_path, node_type=pp_type,
+                    persona_id=persona_id, epoch_id=epoch_id,
+                    parent_path=grandparent)
+
         cur = self.conn.execute("SELECT path FROM hldp_nodes WHERE path=?", (path,))
         if cur.fetchone():
-            # 更新
             self.conn.execute(
                 "UPDATE hldp_nodes SET title=?, summary=?, updated_at=datetime('now') WHERE path=?",
                 (title, summary, path))