diff --git a/components/drivers/sdio/mmc.c b/components/drivers/sdio/mmc.c
index badc75fcf..e537c7dd3 100644
--- a/components/drivers/sdio/mmc.c
+++ b/components/drivers/sdio/mmc.c
@@ -580,7 +580,7 @@ remove_card:
     host->card = RT_NULL;
 err:
 
-    rt_kprintf("init SD card failed\n");
+    rt_kprintf("init MMC card failed\n");
 
     return err;
 }
diff --git a/components/drivers/sdio/mmcsd_core.c b/components/drivers/sdio/mmcsd_core.c
index 90599dca1..57f38371b 100644
--- a/components/drivers/sdio/mmcsd_core.c
+++ b/components/drivers/sdio/mmcsd_core.c
@@ -81,7 +81,7 @@ void mmcsd_send_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
 
         rt_sem_take(&host->sem_ack, RT_WAITING_FOREVER);
           
-    } while(req->cmd->err && req->cmd->retries);
+    } while(req->cmd->err && (req->cmd->retries > 0));
 
 
 }