diff --git a/message.proto b/message.proto
index dcbc441..99f6f07 100644
--- a/message.proto
+++ b/message.proto
@@ -105,21 +105,41 @@ message SDLPolicyResponse {
 
 // 事件定义
 
-message SDLNatChangedEvent {
-    bytes mac = 1;
-    uint32 ip = 2;
-}
+message SDLEvent {
+    // nat映射变化
+    message NatChanged {
+        bytes mac = 1;
+        uint32 ip = 2;
+    }
 
-message SDLSendRegisterEvent {
-    bytes dst_mac = 1;
-    uint32 nat_ip = 2;
-    uint32 nat_port = 3;
-    uint32 nat_type = 4;
-    optional SDLV6Info v6_info = 5;
-}
+    // 发送register消息
+    message SendRegister {
+        bytes dst_mac = 1;
+        uint32 nat_ip = 2;
+        uint32 nat_port = 3;
+        uint32 nat_type = 4;
+        optional SDLV6Info v6_info = 5;
+    }
 
-message SDLNetworkShutdownEvent {
-    string message = 1;
+    // 网络关闭
+    message NetworkShutdown {
+        string message = 1;
+    }
+
+    // 出口节点控制
+    message ExitNodeControl {
+        int32 action = 1;    // 必选：操作类型
+        bytes node_mac = 2;   // 必选：目标节点 MAC
+        uint32 node_ip = 3;   // 必选：目标节点 IP
+        string remark = 4;    // 可选：备注（方便日志/调试）
+    }
+
+    oneof event {
+        NatChanged nat_changed = 1;
+        SendRegister send_register = 2;
+        NetworkShutdown shutdown = 3;
+        ExitNodeControl exit_node = 4;
+    }
 }
 
 // UDP通讯消息