diff --git a/src/api.rs b/src/api.rs
index 413a0ae..7d64ced 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -99,12 +99,6 @@ impl ProxmoxClient {
         Ok(())
     }
 
-    pub async fn reboot_vm(&self, node: &str, vm_id: u32) -> Result<(), String> {
-        self.stop_vm(node, vm_id).await?;
-        tokio::time::sleep(tokio::time::Duration::from_secs(5)).await;
-        self.start_vm(node, vm_id).await
-    }
-
     pub async fn shutdown_node(&self, node: &str) -> Result<String, String> {
         let url = format!("{}/nodes/{}/status", self.base_url, node);
         println!("[API] 关机请求: POST {}", url);
diff --git a/src/gui.rs b/src/gui.rs
index a27b648..d6e1994 100644
--- a/src/gui.rs
+++ b/src/gui.rs
@@ -220,6 +220,7 @@ impl eframe::App for App {
                     ui.horizontal(|ui| {
                         ui.label("节点:");
                         ui.text_edit_singleline(&mut st.node);
+                        ui.label("← 请输入正确的节点名称");
                     });
                     ui.add_space(4.0);
                     ui.horizontal(|ui| {