diff --git a/README.md b/README.md
index 374edd85..abbea9a7 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ esp_iot_rtos_sdk
 
 ESP8266 new SDK based on FreeRTOS
 
+
 Note
 
 APIs of "esp_iot_rtos_sdk" are same as "esp_iot_sdk"
@@ -11,10 +12,12 @@ Libs which are not open source in “esp_iot_rtos_sdk_lib”. Please copy them t
 
 More details in "Wiki" !
 
+
 Compile
 
 using command： ./gen_misc.sh
 
+
 Download
 
 eagle.app.v6.flash.bin, downloads to flash 0x00000