diff --git a/README.md b/README.md
index 6a6cd1e..a3dc12d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ STM32F407VET6 (LQFP100)
   <a href="workspace/ESP8266_AT_CMD_VET6/">ESP8266_AT_CMD_VET6</a>
 </summary>
 
-
+<img src="./images/ESP8266_AT_CMD_VET6.png" width="800">
 
 </details>
 
diff --git a/images/ESP8266_AT_CMD_VET6.png b/images/ESP8266_AT_CMD_VET6.png
new file mode 100644
index 0000000..de0f494
Binary files /dev/null and b/images/ESP8266_AT_CMD_VET6.png differ
diff --git a/workspace/ESP8266_AT_CMD_VET6/Core/Src/main.c b/workspace/ESP8266_AT_CMD_VET6/Core/Src/main.c
index 9e63d83..d059692 100644
--- a/workspace/ESP8266_AT_CMD_VET6/Core/Src/main.c
+++ b/workspace/ESP8266_AT_CMD_VET6/Core/Src/main.c
@@ -7,7 +7,6 @@
 #include "stm32f407xx_esp8266.h"
 #include "ringBuffer.h"
 
-
 // System clock
 uint32_t HCLK_freq;
 uint32_t PCLK1_freq;
@@ -23,7 +22,7 @@ static void USART1_UART_Init(void);
 // Override for printf function
 int __io_putchar(int ch) {
 	HAL_UART_Transmit(&huart1, (uint8_t*) &ch, 1,
-			HAL_MAX_DELAY);
+	HAL_MAX_DELAY);
 	return ch;
 }