diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c
index 2731ef6bb..e19c77368 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/osal/usb_osal.c
@@ -1,6 +1,41 @@
+/* 
+ * Edited by Kameblue on June 12, 2024.
+ *
+ * For adapting CherryUSB to XiZi AIoT. 
+ */
+
 #include "usb_osal.h"
+#include "libserial.h"
+#include "usyscall.h"
 
 
 usb_osal_thread_t usb_osal_thread_create(const char *name, uint32_t stack_size, uint32_t prio, usb_thread_entry_t entry, void *args){
+    int ret;
+    char *task_param[] = { args, NULL };
+    ret = thread(entry, name, task_param);
+
+    return (usb_osal_thread_t)ret;
+}
+
+
+usb_osal_sem_t usb_osal_sem_create(uint32_t initial_count){
+
+
     return NULL;
+}
+
+
+
+void usb_osal_sem_delete(usb_osal_sem_t sem){
+
+}
+
+
+int usb_osal_sem_take(usb_osal_sem_t sem, uint32_t timeout){
+    return 0;
+}
+
+
+int usb_osal_sem_give(usb_osal_sem_t sem){
+    return 0;
 }
\ No newline at end of file