fix 优化任务生成userNos为空情况

Src/Dlhis.Basic/Device/Services/Implements/DevicePermissionService.cs

@@ -24,10 +24,14 @@ public class DevicePermissionService : IDevicePermissionService
     {
         await GenerateDeviceTasksAsync(async () =>
         {
-            await _dbContext.Client.Deleteable<DevicePermissionEntity>()
-            .Where(x => x.AssignType == reuqest.AssignType)
-            .Where(x => x.AssignValue == reuqest.AssignValue)
-            .ExecuteCommandAsync();
+
+            var p = await _dbContext.Queryable<DevicePermissionEntity>()
+               .Where(x => x.AssignType == reuqest.AssignType)
+               .Where(x => x.AssignValue == reuqest.AssignValue)
+               .Where(x => x.UniqueType == reuqest.UniqueType)
+               .ToListAsync();
+
+            await _dbContext.DeleteReallyAsync(p);
 
             var devicePermissions = reuqest.Codes.Select(x => new DevicePermissionEntity
             {
@@ -35,6 +39,7 @@ public class DevicePermissionService : IDevicePermissionService
                 AssignValue = reuqest.AssignValue,
                 UniqueType = reuqest.UniqueType,
                 UniqueValue = x,
+
             }).ToList();
 
             await _dbContext.InsertAsync(devicePermissions);
@@ -93,7 +98,12 @@ public class DevicePermissionService : IDevicePermissionService
 
         //获取当前的权限code
         var currentDic = new Dictionary<string, List<Guid>>(userNos.Count);
-        userNos = await GetPermissionUserNosAsync();
+        var nextUserNos = await GetPermissionUserNosAsync();
+        if (nextUserNos.Any())
+        {
+            userNos = nextUserNos;
+        }
+
         foreach (var userNo in userNos)
         {
             currentDic.TryAdd(userNo, await GetAssignDeviceCodesAsync(userNo));