diff --git a/Ubiquitous/XiZi/board/kd233/Kconfig b/Ubiquitous/XiZi/board/kd233/Kconfig
index dd6d262be..7e8e43d18 100644
--- a/Ubiquitous/XiZi/board/kd233/Kconfig
+++ b/Ubiquitous/XiZi/board/kd233/Kconfig
@@ -44,20 +44,6 @@ menu "kd233 feature"
                 default 0x80100000
         endmenu
 
-        menu "config hardware resources for connection"
-            if CONNECTION_INDUSTRIAL_ETHERNET
-                config ETHERNET_UART_NAME
-                    string "ethernet uart name"
-                    default "/dev/uart3_dev3"
-            endif
-            if CONNECTION_COMMUNICATION_WIFI
-                config WIFI_UART_NAME
-                    string "wifi uart name"
-                    default "/dev/uart3_dev3"
-            endif
-
-        endmenu
-
         menu "config board peripheral"
             config MOUNT_SDCARD
                 bool "mount cd card"
diff --git a/Ubiquitous/XiZi/board/kd233/board.c b/Ubiquitous/XiZi/board/kd233/board.c
index a3d3786f3..35a81e2dc 100644
--- a/Ubiquitous/XiZi/board/kd233/board.c
+++ b/Ubiquitous/XiZi/board/kd233/board.c
@@ -78,11 +78,13 @@ int MountSDCard(void)
 
     if (NONE == SpiSdInit(spi_bus, SPI_1_DEVICE_NAME_0, SPI_1_DRV_NAME, SPI_SD_NAME)) {
         KPrintf("MountSDCard SpiSdInit error!\n");
-        return 0;
+        return -1;
     }
     
-    if (EOK == MountFilesystem(SPI_BUS_NAME_1, SPI_SD_NAME, SPI_1_DRV_NAME, FSTYPE_FATFS, "/"))
+    if (EOK == MountFilesystem(SPI_BUS_NAME_1, SPI_SD_NAME, SPI_1_DRV_NAME, FSTYPE_FATFS, "/")) {
         KPrintf("SPI SD card fatfs mounted\n");
+        return -1;
+    }
 
     return 0;
 }