diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c
index fe5ea0f294ca18f796255c36d6225bc4c46b4eda..21dbc1ff8e780cf4c0605f0974b9113c3bfb4497 100644
--- a/components/drivers/serial/serial.c
+++ b/components/drivers/serial/serial.c
@@ -352,17 +352,15 @@ rt_inline int _serial_int_tx(struct rt_serial_device *serial, const rt_uint8_t *
          */
         if (*data == '\n' && (serial->parent.open_flag & RT_DEVICE_FLAG_STREAM))
         {
-            if (serial->ops->putc(serial, '\r') == -1)
+            while (serial->ops->putc(serial, '\r') == -1)
             {
                 rt_completion_wait(&(tx->completion), RT_WAITING_FOREVER);
-                continue;
             }
         }
 
-        if (serial->ops->putc(serial, *(char*)data) == -1)
+        while (serial->ops->putc(serial, *(char*)data) == -1)
         {
             rt_completion_wait(&(tx->completion), RT_WAITING_FOREVER);
-            continue;
         }
 
         data ++; length --;