diff --git a/src/api.rs b/src/api.rs
index 3cc8c30..413a0ae 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -39,36 +39,63 @@ impl ProxmoxClient {
 
     pub async fn get_vm_status(&self, node: &str, vm_id: u32) -> Result<String, String> {
         let url = format!("{}/nodes/{}/qemu/{}/status/current", self.base_url, node, vm_id);
+        println!("[API] 获取状态: GET {}", url);
+        
         let resp = self.client
             .get(&url)
             .header("Authorization", self.auth_header())
             .send()
             .await
-            .map_err(|e| e.to_string())?;
+            .map_err(|e| {
+                let err = format!("网络错误: {}", e);
+                println!("[API] {}", err);
+                err
+            })?;
+        
+        let status = resp.status();
+        if !status.is_success() {
+            let body = resp.text().await.unwrap_or_default();
+            println!("[API] HTTP错误 {}: {}", status, body);
+            return Err(format!("HTTP {}: {}", status, body));
+        }
         
         let data: ApiResponse<VmStatus> = resp.json().await.map_err(|e| e.to_string())?;
-        Ok(data.data.map(|d| d.status).unwrap_or_else(|| "unknown".to_string()))
+        let result = data.data.map(|d| d.status).unwrap_or_else(|| "unknown".to_string());
+        println!("[API] VM状态: {}", result);
+        Ok(result)
     }
 
     pub async fn start_vm(&self, node: &str, vm_id: u32) -> Result<(), String> {
         let url = format!("{}/nodes/{}/qemu/{}/status/start", self.base_url, node, vm_id);
-        self.client
+        let resp = self.client
             .post(&url)
             .header("Authorization", self.auth_header())
             .send()
             .await
-            .map_err(|e| e.to_string())?;
+            .map_err(|e| format!("网络错误: {}", e))?;
+        
+        let status = resp.status();
+        if !status.is_success() {
+            let body = resp.text().await.unwrap_or_default();
+            return Err(format!("HTTP {}: {}", status, body));
+        }
         Ok(())
     }
 
     pub async fn stop_vm(&self, node: &str, vm_id: u32) -> Result<(), String> {
         let url = format!("{}/nodes/{}/qemu/{}/status/stop", self.base_url, node, vm_id);
-        self.client
+        let resp = self.client
             .post(&url)
             .header("Authorization", self.auth_header())
             .send()
             .await
-            .map_err(|e| e.to_string())?;
+            .map_err(|e| format!("网络错误: {}", e))?;
+        
+        let status = resp.status();
+        if !status.is_success() {
+            let body = resp.text().await.unwrap_or_default();
+            return Err(format!("HTTP {}: {}", status, body));
+        }
         Ok(())
     }
 
@@ -78,15 +105,32 @@ impl ProxmoxClient {
         self.start_vm(node, vm_id).await
     }
 
-    pub async fn shutdown_node(&self, node: &str) -> Result<(), String> {
+    pub async fn shutdown_node(&self, node: &str) -> Result<String, String> {
         let url = format!("{}/nodes/{}/status", self.base_url, node);
-        self.client
+        println!("[API] 关机请求: POST {}", url);
+        println!("[API] Headers: Authorization={}", self.auth_header());
+        
+        let resp = self.client
             .post(&url)
             .header("Authorization", self.auth_header())
-            .json(&serde_json::json!({"command": "shutdown"}))
+            .header("Content-Type", "application/json")
+            .json(&serde_json::json!({"action": "shutdown"}))
             .send()
             .await
-            .map_err(|e| e.to_string())?;
-        Ok(())
+            .map_err(|e| {
+                let err = format!("网络错误: {}", e);
+                println!("[API] {}", err);
+                err
+            })?;
+        
+        let status = resp.status();
+        let body = resp.text().await.unwrap_or_default();
+        println!("[API] 响应状态: {}", status);
+        println!("[API] 响应内容: {}", body);
+        
+        if !status.is_success() {
+            return Err(format!("HTTP {}: {}", status, body));
+        }
+        Ok(body)
     }
 }
\ No newline at end of file
diff --git a/src/gui.rs b/src/gui.rs
index 47a1d57..a27b648 100644
--- a/src/gui.rs
+++ b/src/gui.rs
@@ -333,19 +333,27 @@ impl eframe::App for App {
                     let client = client_shutdown.clone();
                     let node = node_shutdown.clone();
                     let state = state_shutdown.clone();
-                    st.add_log("正在执行关机流程...");
-                    st.add_log("1. 停止所有虚拟机...");
+                    st.add_log("开始执行关机流程...");
+                    st.add_log(&format!("节点: {}", node));
                     ctx.request_repaint();
                     thread::spawn(move || {
                         let rt = tokio::runtime::Runtime::new().unwrap();
-                        let _ = rt.block_on(async {
+                        rt.block_on(async {
                             let client = client.lock().unwrap();
                             if let Some(c) = client.as_ref() {
-                                c.shutdown_node(&node).await.ok();
+                                match c.shutdown_node(&node).await {
+                                    Ok(response) => {
+                                        state.write().unwrap().add_log("✓ 关机命令发送成功");
+                                        state.write().unwrap().add_log(&format!("响应: {}", response));
+                                    }
+                                    Err(e) => {
+                                        state.write().unwrap().add_log(&format!("✗ 关机失败: {}", e));
+                                    }
+                                }
+                            } else {
+                                state.write().unwrap().add_log("✗ 未连接到服务器");
                             }
                         });
-                        state.write().unwrap().add_log("2. 正在关闭 Proxmox 主机...");
-                        state.write().unwrap().add_log("关机命令已发送");
                     });
                 }
             });