diff --git a/customer_app/bl602_http_ota/README.md b/customer_app/bl602_http_ota/README.md
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--- a/customer_app/bl602_http_ota/README.md
+++ b/customer_app/bl602_http_ota/README.md
@@ -1,4 +1,10 @@
 # http ota demo
 
-1.Please use wifi command to connect your network,e.g. "wifi_sta_connect BouffaloLab 123456".
-2.Use http ota command to download your ota firmware,e.g. "ota_http_cmd 10.0.0.55"
+1. Build http server：Port :8080 , ota firmware ：FW_OTA.bin.ota 
+
+   ![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"
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diff --git a/customer_app/bl602_http_ota/ota_server.jpg b/customer_app/bl602_http_ota/ota_server.jpg
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