diff --git a/DataVAPI/Controllers/LogController.cs b/DataVAPI/Controllers/LogController.cs
index ce65d4e..04b0b37 100644
--- a/DataVAPI/Controllers/LogController.cs
+++ b/DataVAPI/Controllers/LogController.cs
@@ -283,6 +283,31 @@ namespace DataVAPI.Controllers
                 return JsonMsg<object>.Error(null, st, ex.Message);
             }
         }
-
+        /// <summary>
+        /// 删除日志文件
+        /// </summary>
+        /// <param name="DeviceName"></param>
+        /// <param name="FileId"></param>
+        /// <returns></returns>
+        [HttpGet]
+        public JsonMsg<object> DeleteLogFile(string DeviceName, string FileId)
+        {
+            st = System.Reflection.MethodBase.GetCurrentMethod().Name;
+            try
+            {
+                if (string.IsNullOrEmpty(DeviceName))
+                {
+                    return JsonMsg<object>.Error(null, st, "设备名称不能为空");
+                }
+                else
+                {
+                    return JsonMsg<object>.OK(Sample.DeleteFile(DeviceName, FileId), st);
+                }
+            }
+            catch (Exception ex)
+            {
+                return JsonMsg<object>.Error(null, st, ex.Message);
+            }
+        }
     }
 }
diff --git a/DataVAPI/UpAndDown/Sample.cs b/DataVAPI/UpAndDown/Sample.cs
index eb7d10c..edce463 100644
--- a/DataVAPI/UpAndDown/Sample.cs
+++ b/DataVAPI/UpAndDown/Sample.cs
@@ -72,6 +72,21 @@ namespace DataVAPI.UpAndDown
             return queryDeviceFile;
         }
 
+        public static bool? DeleteFile(string DeviceName, string FileId)
+        {
+            AlibabaCloud.SDK.Iot20180120.Client client = CreateClient("LTAI5tDbUDuCvqU5hP8ZpHHV", "SvNIRQuz3BQFEaC3PFSJdgpeOKWFRi");
+            AlibabaCloud.SDK.Iot20180120.Models.DeleteDeviceFileRequest deleteDeviceFileRequest = new AlibabaCloud.SDK.Iot20180120.Models.DeleteDeviceFileRequest
+            {
+                IotInstanceId = "iot-06z00g9pf3kwtxp",
+                DeviceName = DeviceName,
+                ProductKey = DataBus.ProductKey,
+                FileId = FileId,
+            };
+            AlibabaCloud.TeaUtil.Models.RuntimeOptions runtime = new AlibabaCloud.TeaUtil.Models.RuntimeOptions();
+            // 复制代码运行请自行打印 API 的返回值
+            return client.DeleteDeviceFileWithOptions(deleteDeviceFileRequest, runtime).Body.Success;
+        }
+
     }
 
     public class AlibabaCloudRes