diff --git a/TC1/TC1.mk b/TC1/TC1.mk
index cbe71a2..42d7982 100644
--- a/TC1/TC1.mk
+++ b/TC1/TC1.mk
@@ -32,7 +32,10 @@ $(NAME)_SOURCES := main.c\
 				   user_sntp.c\
 				   user_rtc.c\
 				   user_mqtt_client.c\
+				   user_tftp_ota.c\
 				   user_function.c
 				   
 $(NAME)_COMPONENTS := protocols/SNTP\
-					protocols/mqtt
\ No newline at end of file
+					protocols/mqtt\
+					daemons/ota_server
+					
\ No newline at end of file
diff --git a/TC1/main.c b/TC1/main.c
index 221d10b..c47dcfb 100644
--- a/TC1/main.c
+++ b/TC1/main.c
@@ -79,7 +79,7 @@ void appRestoreDefault_callback( void * const user_config_data, uint32_t size )
 int application_start( void )
 {
     int i;
-    os_log( "Start v0.1" );
+    os_log( "Start %s",VERSION );
 
     OSStatus err = kNoErr;
 
diff --git a/TC1/main.h b/TC1/main.h
index 5ac63b8..a3b12d4 100644
--- a/TC1/main.h
+++ b/TC1/main.h
@@ -4,6 +4,8 @@
 #include "mico.h"
 #include "MiCOKit_EXT.h"
 
+#define VERSION "v0.2"
+
 #define TYPE 1
 #define TYPE_NAME "zTC1"
 
diff --git a/TC1/user_function.c b/TC1/user_function.c
index cc01d98..1918cd0 100644
--- a/TC1/user_function.c
+++ b/TC1/user_function.c
@@ -134,11 +134,25 @@ void user_function_cmd_received( int udp_flag, uint8_t *pusrdata )
             }
             cJSON_AddNumberToObject( json_send, "nvalue", p_nvalue->valueint );
         }
-
+        //解析版本
+        cJSON *p_version = cJSON_GetObjectItem( pJsonRoot, "version" );
+        if ( p_version )
+        {
+            os_log("version:%s",VERSION);
+            cJSON_AddStringToObject( json_send, "version", VERSION );
+        }
         //解析主机setting-----------------------------------------------------------------
         cJSON *p_setting = cJSON_GetObjectItem( pJsonRoot, "setting" );
         if ( p_setting )
         {
+            //解析ota
+            cJSON *p_ota = cJSON_GetObjectItem( p_setting, "ota" );
+            if ( p_ota )
+            {
+                if ( cJSON_IsString( p_ota ) )
+                    user_ota_start( p_ota->valuestring, NULL );
+            }
+
             cJSON *json_setting_send = cJSON_CreateObject( );
             //设置设备名称/deviceid
             cJSON *p_setting_name = cJSON_GetObjectItem( p_setting, "name" );
@@ -330,7 +344,7 @@ bool json_plug_analysis( int udp_flag, char x, cJSON * pJsonRoot, cJSON * pJsonS
     }
     cJSON *p_nvalue = cJSON_GetObjectItem( pJsonRoot, "nvalue" );
 //    if ( p_plug || p_nvalue )
-        cJSON_AddNumberToObject( json_plug_send, "on", user_config->plug[x].on );
+    cJSON_AddNumberToObject( json_plug_send, "on", user_config->plug[x].on );
 
     cJSON_AddItemToObject( pJsonSend, plug_str, json_plug_send );
     return return_flag;
diff --git a/TC1/user_function.h b/TC1/user_function.h
index 04693f1..12c287b 100644
--- a/TC1/user_function.h
+++ b/TC1/user_function.h
@@ -6,6 +6,7 @@
 #include "mico.h"
 #include "MiCOKit_EXT.h"
 
+void user_send( int udp_flag, char *s );
 void user_function_cmd_received(int udp_flag,uint8_t *pusrdata);
 unsigned char strtohex(char a, char b);
 
diff --git a/TC1/user_gpio.c b/TC1/user_gpio.c
index 259ba74..f023f4c 100644
--- a/TC1/user_gpio.c
+++ b/TC1/user_gpio.c
@@ -5,6 +5,7 @@
 #include "user_mqtt_client.h"
 #include "user_udp.h"
 #include "cJSON/cJSON.h"
+#include "user_tftp_ota.h"
 
 mico_gpio_t relay[Relay_NUM] = { Relay_0, Relay_1, Relay_2, Relay_3, Relay_4, Relay_5 };
 
diff --git a/TC1/user_mqtt_client.c b/TC1/user_mqtt_client.c
index 0044dd9..f97bb27 100644
--- a/TC1/user_mqtt_client.c
+++ b/TC1/user_mqtt_client.c
@@ -303,7 +303,7 @@ void mqtt_client_thread( mico_thread_arg_t arg )
     {
         sprintf(
             buf1,
-            "{\"mac\":\"%s\",\"plug_0\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_1\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_2\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_3\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_4\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_5\":{\"on\":null,\"setting\":{\"name\":null}}}",
+            "{\"mac\":\"%s\",\"version\":null,\"plug_0\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_1\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_2\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_3\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_4\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_5\":{\"on\":null,\"setting\":{\"name\":null}}}",
             strMac );
         user_function_cmd_received( 0, buf1 );
 
diff --git a/TC1/user_tftp_ota.c b/TC1/user_tftp_ota.c
new file mode 100644
index 0000000..bdbd49e
--- /dev/null
+++ b/TC1/user_tftp_ota.c
@@ -0,0 +1,40 @@
+#define os_log(format, ...)  custom_log("OTA", format, ##__VA_ARGS__)
+
+#include "mico.h"
+#include "ota_server.h"
+#include "main.h"
+#include "user_udp.h"
+#include "user_mqtt_client.h"
+#include "user_function.h"
+
+static void ota_server_status_handler( OTA_STATE_E state, float progress )
+{
+    char str[64]={0};
+    switch ( state )
+    {
+        case OTA_LOADING:
+            os_log("ota server is loading, progress %.2f%%", progress);
+            break;
+        case OTA_SUCCE:
+            os_log("ota server daemons success");
+            sprintf( str, "{\"mac\":\"%s\",\"ota_progress\":100}", strMac );
+            break;
+        case OTA_FAIL:
+            os_log("ota server daemons failed");
+            sprintf( str, "{\"mac\":\"%s\",\"ota_progress\":-1}", strMac );
+            break;
+        default:
+            break;
+    }
+    if(str[0]>0)
+    {
+        user_send(true,str);
+    }
+}
+
+void user_ota_start( char *url, char *md5 )
+{
+    os_log("ready to ota:%s",url);
+    ota_server_start( url, md5, ota_server_status_handler );
+}
+
diff --git a/TC1/user_tftp_ota.h b/TC1/user_tftp_ota.h
new file mode 100644
index 0000000..5d7f8b7
--- /dev/null
+++ b/TC1/user_tftp_ota.h
@@ -0,0 +1,7 @@
+#ifndef __USER_TFTP_OTA_H_
+#define __USER_TFTP_OTA_H_
+
+
+void user_ota_start(char *url, char *md5);
+
+#endif
diff --git a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin
new file mode 100644
index 0000000..00fb63b
Binary files /dev/null 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
new file mode 100644
index 0000000..ba3fe0e
Binary files /dev/null and b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin differ