fix 任务图片连接处理

Src/Dlhis.ScheduledTask/TaskAssignment/Services/Implements/AssignmentService.cs

@@ -51,7 +51,7 @@ public class AssignmentService : IAssignmentService
                 var dc = x.Key.DeviceConnectionInfo ?? "{}";
                 var func = x.Key.FuncStr ?? "[]";
 
-                var jobj = new JObject
+                var jObj = new JObject
                 {
                     { "connectionInfo", JToken.Parse(dc) },
                     { "function", JArray.Parse(func) }
@@ -61,7 +61,7 @@ public class AssignmentService : IAssignmentService
                 {
                     Brand = b,
                     DeviceUniqueNo = d,
-                    DeviceInfo = jobj,
+                    DeviceInfo = jObj,
                     Tasks = x.Select(item =>
                     {
                         var key = $"face:{item.UserCode}";
@@ -83,7 +83,7 @@ public class AssignmentService : IAssignmentService
                             {
                                 dto.Info = new UserToDeviceResponse
                                 {
-                                    UserId = item.UserId.HasValue ? item.UserId.Value : 0,
+                                    UserId = item.UserId ?? 0,
                                     UserNo = item.UserNo,
                                     UserCode = item.UserCode,
                                     UserName = item.UserName,