diff --git a/aqhome/msg/msg_node.c b/aqhome/msg/msg_node.c
index 6d4c1e8..8d5378d 100644
--- a/aqhome/msg/msg_node.c
+++ b/aqhome/msg/msg_node.c
@@ -206,6 +206,12 @@ uint32_t AQH_NodeMsg_GetMsgGroup(uint8_t msgType)
     return AQH_MSG_TYPEGROUP_ADDRESS;
   case AQH_MSG_TYPE_NET_SET_ACCEPTED_MSGGROUPS:
     return AQH_MSG_TYPEGROUP_ADMIN;
+  case AQH_MSG_TYPE_FLASH_START:
+  case AQH_MSG_TYPE_FLASH_END:
+  case AQH_MSG_TYPE_FLASH_READY:
+  case AQH_MSG_TYPE_FLASH_DATA:
+  case AQH_MSG_TYPE_FLASH_RSP:
+    return AQH_MSG_TYPEGROUP_FLASH;
   default:
     return 0;
   }
diff --git a/aqhome/msg/msg_node.h b/aqhome/msg/msg_node.h
index c44e267..c942d71 100644
--- a/aqhome/msg/msg_node.h
+++ b/aqhome/msg/msg_node.h
@@ -41,6 +41,12 @@
 #define AQH_MSG_TYPE_DENY_ADDRESS  63
 #define AQH_MSG_TYPE_ADDRESS_RANGE 64
 
+#define AQH_MSG_TYPE_FLASH_START   70
+#define AQH_MSG_TYPE_FLASH_END     71
+#define AQH_MSG_TYPE_FLASH_READY   72
+#define AQH_MSG_TYPE_FLASH_DATA    73
+#define AQH_MSG_TYPE_FLASH_RSP     74
+
 #define AQH_MSG_TYPE_DEVICE        80
 #define AQH_MSG_TYPE_MEMSTATS      81
 #define AQH_MSG_TYPE_SYSSTATS      82