diff --git a/OpenAuth.App/ServiceApp/ManageApp.cs b/OpenAuth.App/ServiceApp/ManageApp.cs
index 4f374bc..ca6f3ce 100644
--- a/OpenAuth.App/ServiceApp/ManageApp.cs
+++ b/OpenAuth.App/ServiceApp/ManageApp.cs
@@ -526,7 +526,7 @@ namespace OpenAuth.App.ServiceApp
             var airLine = await Repository.ChangeRepository<SugarRepositiry<LasaAirLine>>()
                 .GetByIdAsync(task.AirLineId);
             var wpml = airLine.WPML;
-            // todo  查询sn
+            // 查询机场sn
             var dronePort = await Repository.ChangeRepository<SugarRepositiry<LasaDronePort>>()
                 .GetByIdAsync(airLine.UavId);
             if (dronePort == null)
@@ -564,8 +564,8 @@ namespace OpenAuth.App.ServiceApp
                 task_type = task.TaskType,
                 file = new
                 {
-                    url = wpml, // todo  拼接地址
-                    fingerprint = "" // todo 计算md5
+                    url = wpml,
+                    fingerprint = _minioService.GetMetaObject(wpml, "") // todo 计算md5
                 },
                 // 任务就绪条件 可选字段。条件任务（即 task_type 为2）时必填，其他类型任务会忽略该字段。下发条件任务后，设备会定频检查 ready_conditions 是否全部满足，若全部满足则会有 flighttask_ready 事件通知。且设备端接收 flighttask_execute 指令时，也会检查任务的 ready_conditions 是否已全部满足。
                 ready_conditions = new
@@ -658,5 +658,10 @@ namespace OpenAuth.App.ServiceApp
         {
             return _minioService.UploadFile(xmlFile, "");
         }
+
+        public async Task<string> GetMd5Meta(string objectname)
+        {
+            return await _minioService.GetMetaObject(objectname, "test");
+        }
     }
 }
\ No newline at end of file
diff --git a/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs b/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs
index 384973a..f2efdee 100644
--- a/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs
+++ b/OpenAuth.WebApi/Controllers/ServiceControllers/ManageController.cs
@@ -470,5 +470,12 @@ namespace OpenAuth.WebApi.Controllers.ServiceControllers
             var dir = configuration["WpmlDir"];
             return dir;
         }
+
+        [HttpGet]
+        [AllowAnonymous]
+        public Task<string> TestGetMd5Meta(string objectname)
+        {
+            return _app.GetMd5Meta(objectname);
+        }
     }
 }
\ No newline at end of file