diff --git a/Ubiquitous/XiZi_IIoT/board/hifive1-emulator/.defconfig b/Ubiquitous/XiZi_IIoT/board/hifive1-emulator/.defconfig
index 9511edeb5..8280d8f01 100644
--- a/Ubiquitous/XiZi_IIoT/board/hifive1-emulator/.defconfig
+++ b/Ubiquitous/XiZi_IIoT/board/hifive1-emulator/.defconfig
@@ -140,7 +140,7 @@ CONFIG_SHELL_HELP_SHOW_PERMISSION=y
 # CONFIG_SHELL_HELP_LIST_VAR is not set
 # CONFIG_SHELL_HELP_LIST_KEY is not set
 #CONFIG_KERNEL_QUEUEMANAGE=y
-# CONFIG_KERNEL_WORKQUEUE is not set
+CONFIG_KERNEL_WORKQUEUE=y
 CONFIG_WORKQUEUE_KTASK_STACKSIZE=256
 CONFIG_WORKQUEUE_KTASK_PRIORITY=2
 CONFIG_QUEUE_MAX=2