diff --git a/bsp/qemu-vexpress-a9/.config b/bsp/qemu-vexpress-a9/.config
index d9fff508aa4ab4fbbc2e97ab867b458087046b50..05071cff2786d7bded26a4799f3fdf0808409a80 100644
--- a/bsp/qemu-vexpress-a9/.config
+++ b/bsp/qemu-vexpress-a9/.config
@@ -16,7 +16,7 @@ CONFIG_RT_TICK_PER_SECOND=100
 CONFIG_RT_USING_OVERFLOW_CHECK=y
 CONFIG_RT_USING_HOOK=y
 CONFIG_RT_IDEL_HOOK_LIST_SIZE=4
-CONFIG_IDLE_THREAD_STACK_SIZE=512
+CONFIG_IDLE_THREAD_STACK_SIZE=1024
 CONFIG_RT_USING_TIMER_SOFT=y
 CONFIG_RT_TIMER_THREAD_PRIO=4
 CONFIG_RT_TIMER_THREAD_STACK_SIZE=1024
@@ -148,6 +148,7 @@ CONFIG_RT_USING_PIN=y
 CONFIG_RT_USING_MTD_NOR=y
 CONFIG_RT_USING_MTD_NAND=y
 CONFIG_RT_MTD_NAND_DEBUG=y
+# CONFIG_RT_USING_MTD is not set
 CONFIG_RT_USING_RTC=y
 CONFIG_RT_USING_SOFT_RTC=y
 # CONFIG_RTC_SYNC_USING_NTP is not set
@@ -169,9 +170,13 @@ CONFIG_RT_SFUD_USING_FLASH_INFO_TABLE=y
 # CONFIG_RT_USING_ENC28J60 is not set
 # CONFIG_RT_USING_SPI_WIFI is not set
 CONFIG_RT_USING_WDT=y
-# CONFIG_RT_USING_WIFI is not set
 # CONFIG_RT_USING_AUDIO is not set
 
+#
+# Using WiFi
+#
+# CONFIG_RT_USING_WIFI is not set
+
 #
 # Using USB
 #
@@ -372,12 +377,11 @@ CONFIG_LOG_TRACE_USING_LEVEL_INFO=y
 # CONFIG_PKG_USING_RTI is not set
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
 # CONFIG_PKG_USING_CMSIS is not set
+# CONFIG_PKG_USING_DFS_YAFFS is not set
 
 #
 # peripheral libraries and drivers
 #
-# CONFIG_PKG_USING_STM32F4_HAL is not set
-# CONFIG_PKG_USING_STM32F4_DRIVERS is not set
 # CONFIG_PKG_USING_REALTEK_AMEBA is not set
 # CONFIG_PKG_USING_SHT2X is not set
 # CONFIG_PKG_USING_AHT10 is not set
diff --git a/bsp/qemu-vexpress-a9/rtconfig.h b/bsp/qemu-vexpress-a9/rtconfig.h
index f89d17bda21b5007c896ae69b70079476a8b1ee4..02d54c452eebef60d1b61a13a6edce2ed0f7a6e7 100644
--- a/bsp/qemu-vexpress-a9/rtconfig.h
+++ b/bsp/qemu-vexpress-a9/rtconfig.h
@@ -14,7 +14,7 @@
 #define RT_USING_OVERFLOW_CHECK
 #define RT_USING_HOOK
 #define RT_IDEL_HOOK_LIST_SIZE 4
-#define IDLE_THREAD_STACK_SIZE 512
+#define IDLE_THREAD_STACK_SIZE 1024
 #define RT_USING_TIMER_SOFT
 #define RT_TIMER_THREAD_PRIO 4
 #define RT_TIMER_THREAD_STACK_SIZE 1024
@@ -123,6 +123,9 @@
 #define RT_SFUD_USING_FLASH_INFO_TABLE
 #define RT_USING_WDT
 
+/* Using WiFi */
+
+
 /* Using USB */