diff --git a/src/kernel/arch/x86_64/entry.s b/src/kernel/arch/x86_64/entry.s
index efbb1ad..54a341c 100644
--- a/src/kernel/arch/x86_64/entry.s
+++ b/src/kernel/arch/x86_64/entry.s
@@ -26,6 +26,9 @@ init64:
     lea rax, [systemcall_procedure]
     wrmsr
 
+    ; 加载中断相关寄存器
+    ; 需要加载寄存器IA32_INTERRUPT_SSP_TABLE
+
     jmp kmain
 
     section .multiboot2 align=8
diff --git a/src/kernel/arch/x86_64/syscall_x86_64.s b/src/kernel/arch/x86_64/syscall_x86_64.s
index 8b9ae7a..d8220b7 100644
--- a/src/kernel/arch/x86_64/syscall_x86_64.s
+++ b/src/kernel/arch/x86_64/syscall_x86_64.s
@@ -50,6 +50,10 @@ set_kernel_stack_cache:
     pop rax
     ret
 
+; void return_from_systemcall()
+return_from_systemcall:
+    sysret
+
 save_kernel_stack:
     endbr64
     lea rbx, [kernel_stack_cache]