diff --git a/src/main.c b/src/main.c
index 7c816e7..fc3fb47 100644
--- a/src/main.c
+++ b/src/main.c
@@ -63,20 +63,18 @@ int main(void)
     LDC1612_read_sensor_infomation();
 
 
-
-
-
-    while(1){
+    while (1)
+    {
     }
 }
 
 /* retarget the C library printf function to the USART */
-int _write (int fd, char *pBuffer, int size)
+int _write(int fd, char* pBuffer, int size)
 {
     for (int i = 0; i < size; i++)
     {
         usart_data_transmit(USART0, (uint8_t)pBuffer[i]);
-        while(RESET == usart_flag_get(USART0, USART_FLAG_TBE));
+        while (RESET == usart_flag_get(USART0, USART_FLAG_TBE));
     }
     return size;
 }