diff --git a/samples/ota/ota_sample.c b/samples/ota/ota_sample.c
index 27ec939..51c7811 100644
--- a/samples/ota/ota_sample.c
+++ b/samples/ota/ota_sample.c
@@ -23,11 +23,11 @@
 #include "uiot_import.h"
 #include "uiot_export_ota.h"
 
-#define UIOT_MY_PRODUCT_SN            "productSN"
+#define UIOT_MY_PRODUCT_SN            "PRODUCT_SN"
 
-#define UIOT_MY_DEVICE_SN             "deviceSN"
+#define UIOT_MY_DEVICE_SN             "DEVICE_SN"
 
-#define UIOT_MY_DEVICE_SECRET         "device_secret"
+#define UIOT_MY_DEVICE_SECRET         "DEVICE_SECRET"
 
 #define OTA_BUF_LEN (1024)
 
@@ -113,7 +113,11 @@ int main(int argc, char **argv)
         LOG_ERROR("init OTA failed");
         return FAILURE_RET;
     }
-	
+
+    //report current version
+    IOT_OTA_ReportVersion(h_ota, "default", "1.0.0");
+
+
     while(1)
     {
         IOT_MQTT_Yield(client, 5000);
diff --git a/src/ota/include/ota_config.h b/src/ota/include/ota_config.h
index 0698875..ee22f2a 100644
--- a/src/ota/include/ota_config.h
+++ b/src/ota/include/ota_config.h
@@ -32,9 +32,9 @@ extern "C" {
 
 #define REPORT_VER_TEMPLATE       			"{\"Method\": \"report\", \"Payload\":{\"Module\":\"%s\", \"Version\":\"%s\"}}"
 #define REPORT_SUCCESS_MSG_TEMPLATE         "{\"Method\": \"success\", \"Payload\": {\"TaskID\": \"%s\"}}"
-#define REPORT_FAIL_MSG_TEMPLATE          	"{\"Method\": \"fail\", \"Payload\": {\"TaskID\": %d, \"ErrMsg\":\"%s\"}}"
-#define NOTIFY_MSG_TEMPLATE     			"{\"Method\": \"notify\", \"Payload\":{\"TaskID\":%d}}"
-#define UPGRADING_MSG_TEMPLATE   			"{\"Method\": \"upgrading\", \"Payload\":{\"TaskID\":%d}}"
+#define REPORT_FAIL_MSG_TEMPLATE          	"{\"Method\": \"fail\", \"Payload\": {\"TaskID\": \"%s\", \"ErrMsg\":\"%s\"}}"
+#define NOTIFY_MSG_TEMPLATE     			"{\"Method\": \"notify\", \"Payload\":{\"TaskID\":\"%s\"}}"
+#define UPGRADING_MSG_TEMPLATE   			"{\"Method\": \"upgrading\", \"Payload\":{\"TaskID\":\"%s\"}}"
 
 #define OTA_UPSTREAM_MSG_BUF_LEN    (129)
 #define OTA_TOPIC_BUF_LEN           (129)