update

packages/backend/src/repositories/connection.repository.ts

@@ -218,6 +218,26 @@ export const deleteConnection = async (id: number): Promise<boolean> => {
     }
 };
 
+/**
+ * 更新指定连接的 last_connected_at 时间戳
+ * @param id 连接 ID
+ * @param timestamp Unix 时间戳 (秒)
+ */
+export const updateLastConnected = async (id: number, timestamp: number): Promise<boolean> => {
+    const sql = `UPDATE connections SET last_connected_at = ? WHERE id = ?`;
+    try {
+        const db = await getDbInstance();
+        const result = await runDb(db, sql, [timestamp, id]);
+        if (result.changes === 0) {
+            console.warn(`[Repository] updateLastConnected: No connection found with ID ${id} to update.`);
+        }
+        return result.changes > 0;
+    } catch (err: any) {
+        console.error(`Repository: 更新连接 ${id} 的 last_connected_at 时出错:`, err.message);
+        throw new Error('更新上次连接时间失败');
+    }
+};
+
 /**
  * 更新连接的标签关联 (使用事务)
  * @param connectionId 连接 ID

packages/backend/src/services/ssh.service.ts

@@ -119,9 +119,21 @@ export const establishSshConnection = (
             keepaliveCountMax: 10,
         };
 
-        const readyHandler = () => {
+        const readyHandler = async () => { // 改为 async 函数
             console.log(`SshService: SSH 连接到 ${connDetails.host}:${connDetails.port} (ID: ${connDetails.id}) 成功。`);
             sshClient.removeListener('error', errorHandler); // 成功后移除错误监听器
+
+            // --- 新增：更新 last_connected_at ---
+            try {
+                const currentTimeSeconds = Math.floor(Date.now() / 1000);
+                await ConnectionRepository.updateLastConnected(connDetails.id, currentTimeSeconds);
+                console.log(`SshService: 已更新连接 ${connDetails.id} 的 last_connected_at 为 ${currentTimeSeconds}`);
+            } catch (updateError) {
+                // 更新失败不应阻止连接成功，但需要记录错误
+                console.error(`SshService: 更新连接 ${connDetails.id} 的 last_connected_at 失败:`, updateError);
+            }
+            // --- 结束新增 ---
+
             resolve(sshClient); // 返回 Client 实例
         };