diff --git a/customer_app/bl602_http_ota/README.md b/customer_app/bl602_http_ota/README.md
index 68fdd045..8d540078 100644
--- a/customer_app/bl602_http_ota/README.md
+++ b/customer_app/bl602_http_ota/README.md
@@ -1,10 +1,11 @@
 # http ota demo
 
-1. Build http server：Port :8080 , ota firmware ：FW_OTA.bin.ota 
+### Build http server：Port :8080 , OTA firmware：FW_OTA.bin.ota 
 
-   ![ota_server](ota_server.jpg)
+![ota_server](ota_server.jpg)
 
-   
 
-   2. Please use wifi command to connect your network, e.g. "wifi_sta_connect BouffaloLab 123456".
-   3. Use http ota command to download your ota firmware, e.g. "ota_http_cmd 10.0.0.55"
\ No newline at end of file
+
+### Please use wifi command to connect your network, e.g. "wifi_sta_connect BouffaloLab 123456".
+
+### Use http ota command to download your ota firmware, e.g. "ota_http_cmd 10.0.0.55"
\ No newline at end of file