diff --git a/components/lwp/lwp.c b/components/lwp/lwp.c
index 02b08d48561b464b8fbd38c8e2c0e1ace3492932..6f6a76bf16b491216f39a7843076c9249548b9ec 100644
--- a/components/lwp/lwp.c
+++ b/components/lwp/lwp.c
@@ -1054,6 +1054,7 @@ static void lwp_thread_entry(void *parameter)
     tid->cleanup = lwp_cleanup;
     tid->user_stack = RT_NULL;
 
+#ifdef RT_USING_USERSPACE
     if (lwp->debug)
     {
         lwp->bak_first_ins = *(uint32_t *)lwp->text_entry;
@@ -1061,6 +1062,7 @@ static void lwp_thread_entry(void *parameter)
         rt_hw_cpu_dcache_ops(RT_HW_CACHE_FLUSH, lwp->text_entry, sizeof(uint32_t));
         icache_invalid_all();
     }
+#endif
 
 #ifdef ARCH_MM_MMU
     lwp_user_entry(lwp->args, lwp->text_entry, (void *)USER_STACK_VEND, tid->stack_addr + tid->stack_size);