diff --git a/deploy/bot/xmpp_agent_core.py b/deploy/bot/xmpp_agent_core.py
index 00e0137e..94266f6f 100644
--- a/deploy/bot/xmpp_agent_core.py
+++ b/deploy/bot/xmpp_agent_core.py
@@ -32,7 +32,7 @@ PER_AGENT = {
         "http_port": 5805,
         "gateway_url": "http://localhost:8643/v1/chat/completions",
         "gateway_api_key": "hermes123",
-        "session_id": "xmpp-zhiwei-v3",
+        "session_id": "xmpp-zhiwei-v4",  # v4=2026-07-21 bump: 刷新冻结指令(部署纪律/识图知识更新)
         "name_cn": "知微",
         "mention": "@知微/zhiwei",
     },