上机bug修复，命令修复添加

DeviceCommand/Devices/SDS2000X_HD.cs

@@ -31,7 +31,13 @@ namespace DeviceCommand.Devices
         {
             await SendAsync($"*CLS{ScpiDelimiter}", ct);
         }
-
+        /// <summary>
+        /// 查询错误信息
+        /// </summary>
+        public virtual async Task<string> 查询错误信息(CancellationToken ct = default)
+        {
+            return await WriteReadAsync($":SYSTem:ERRor?{ScpiDelimiter}", ScpiDelimiter, ct); //[cite: 1]
+        }
         /// <summary>
         /// 读取示波器识别字符串（制造商、型号、序列号、固件版本）
         /// </summary>