diff --git a/decks/xinfra/slides.md b/decks/xinfra/slides.md
index 0a6dc57..a19f91e 100644
--- a/decks/xinfra/slides.md
+++ b/decks/xinfra/slides.md
@@ -583,7 +583,6 @@ graph LR
     VM["VictoriaMetrics<br/>指标存储"] --> Nightingale["夜莺<br/>告警聚合"]
     Zabbix["Zabbix<br/>硬件监控"] --> Nightingale
     Nightingale --> XINFRA["XINFRA<br/>按业务线展示"]
-    Nightingale --> IM["企业 IM 推送"]
 
     style XINFRA fill:#e0f2fe,stroke:#0284c7
 ```
@@ -963,14 +962,12 @@ graph LR
 
     subgraph 告警链路
         Nightingale["夜莺<br/>去重 · 收敛 · 分级"]
-        IM["企业 IM 推送"]
     end
 
     RKE2 -.->|Metrics| VM
     VM --> Grafana
     VM --> Nightingale
     Zabbix -.->|Webhook| Nightingale
-    Nightingale --> IM
     Zabbix -->|Zabbix API| Main["XINFRA 主系统<br/>资源状态看板"]
 ```