diff --git a/README.md b/README.md
index bd177be..b472c66 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,6 @@ APP端见: [SmartControl_Android_MQTT](https://github.com/a2633063/SmartControl_
 - [x] MQTT客户端连接服务器(无MQTT时使用UDP通信,如果你会内网穿透,就可能实现远程控制功能)
 - [x] app控制每个接口独立开关
 - [x] app配置每个接口拥有独立的5组定时开关
-- [ ] ota在线升级(暂时未做)
+- [x] ota在线升级
 - [ ] app实时显示功率(暂时未测量功率模块的电路.暂时未实现此功能)
 - [ ] ~~根据功率自动开关~~(可能不会做这个功能)
diff --git a/TC1/main.h b/TC1/main.h
index a3b12d4..9b8131b 100644
--- a/TC1/main.h
+++ b/TC1/main.h
@@ -4,7 +4,7 @@
 #include "mico.h"
 #include "MiCOKit_EXT.h"
 
-#define VERSION "v0.2"
+#define VERSION "v0.2.1"
 
 #define TYPE 1
 #define TYPE_NAME "zTC1"
diff --git a/TC1/user_function.c b/TC1/user_function.c
index 6b0d0ef..88f0155 100644
--- a/TC1/user_function.c
+++ b/TC1/user_function.c
@@ -206,6 +206,9 @@ void user_function_cmd_received( int udp_flag, uint8_t *pusrdata )
             }
 
             //������������
+            //�����豸ota
+            if ( p_ota ) cJSON_AddStringToObject( json_setting_send, "ota", p_ota->valuestring );
+
             //�����豸����/deviceid
             if ( p_setting_name ) cJSON_AddStringToObject( json_setting_send, "name", sys_config->micoSystemConfig.name );
             //����mqtt ip
diff --git a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin
index 00fb63b..d4505a8 100644
Binary files a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin and b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin differ
diff --git a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin
index ba3fe0e..f80638a 100644
Binary files a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin and b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin differ