diff --git a/emrg/server/daemon.py b/emrg/server/daemon.py
index 95b6ce36..07dd792d 100644
--- a/emrg/server/daemon.py
+++ b/emrg/server/daemon.py
@@ -282,7 +282,7 @@ def _build_evolution_prompt(self, seq: int) -> str:
         Template: emrg/server/evolution_prompt.md
         Variables: {seq}, {instance_id}, {host_name}, {uptime},
                    {evolution_count}, {emrg_repo_url}, {evolution_cwd},
-                   {source_dir}
+                   {source_dir}, {session_id}
         """
         template = self._TEMPLATE_PATH.read_text()
         if self._start_time is not None:
@@ -300,6 +300,7 @@ def _build_evolution_prompt(self, seq: int) -> str:
             emrg_repo_url=self.EMRG_REPO_URL,
             evolution_cwd=str(self.EVOLUTION_CWD),
             source_dir=self.SOURCE_DIR,
+            session_id=self.SESSION_ID,
         )
 
     # ── Log persistence ──────────────────────────────────────
diff --git a/emrg/server/evolution_prompt.md b/emrg/server/evolution_prompt.md
index f23ba793..3c9af96e 100644
--- a/emrg/server/evolution_prompt.md
+++ b/emrg/server/evolution_prompt.md
@@ -8,6 +8,9 @@
 - 已完成演化: {evolution_count} 次
 - 源码仓库: {emrg_repo_url}
 - 本地源码: `{evolution_cwd}/{source_dir}/`
+- 会话 ID: `{session_id}`
+- 记忆: `{evolution_cwd}/.emrg/memory/`
+- 历史: `{evolution_cwd}/.emrg/sessions/{session_id}/`
 
 ---