diff --git a/components/finsh/shell.c b/components/finsh/shell.c
index 0d416251843f99c55a0ce36efac2a10a76dc1947..7d7bce68b0345409bc15019e377897aec208625e 100644
--- a/components/finsh/shell.c
+++ b/components/finsh/shell.c
@@ -883,8 +883,9 @@ int finsh_system_init(void)
                             &finsh_thread_stack[0], sizeof(finsh_thread_stack),
                             FINSH_THREAD_PRIORITY, 10);
 #endif /* RT_USING_HEAP */
-
+#ifdef RT_USING_DEVICE
     rt_sem_init(&(shell->rx_sem), "shrx", 0, 0);
+#endif
     finsh_set_prompt_mode(1);
 
     if (tid != NULL && result == RT_EOK)
diff --git a/components/finsh/shell.h b/components/finsh/shell.h
index e6b1921c603db9e2104d8f283982843395032ed1..4a2cc765898fde40b44e52e9182d974138cd4203 100644
--- a/components/finsh/shell.h
+++ b/components/finsh/shell.h
@@ -60,7 +60,9 @@ enum input_stat
 };
 struct finsh_shell
 {
+#ifdef RT_USING_DEVICE
     struct rt_semaphore rx_sem;
+#endif
 
     enum input_stat stat;