fix bug

pkg/ruleEngine/nodes/msg_type_switch_node.go

@@ -20,7 +20,7 @@ func (m *MsgTypeSwitchNode) OnMessage(ctx ruleEngine.Context, message *protocol.
 	case protocol.POST_ATTRIBUTES_REQUEST:
 		relationType = protocol.PostAttributes
 	case protocol.POST_EVENT_REQUEST:
-		relationType = protocol.PostAttributes
+		relationType = protocol.PostEvent
 	case protocol.CONNECT_EVENT:
 		relationType = protocol.ConnectEvent
 	case protocol.DISCONNECT_EVENT: