fix: 修复任务过期时间判断问题

Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/Entities/Assignment/AssignmentAggregateRoot.cs

@@ -44,20 +44,23 @@ public class AssignmentAggregateRoot : AggregateRoot<Guid>, IHasCreationTime, IO
     /// 任务奖励的钱钱数量
     /// </summary>
     public decimal RewardsMoneyNumber { get; set; }
+
     /// <summary>
     /// 任务过期时间
     /// </summary>
     public DateTime? ExpireTime { get; set; }
+
     /// <summary>
     /// 任务需求类型
     /// </summary>
-    public AssignmentRequirementTypeEnum AssignmentRequirementType{ get; set; }
+    public AssignmentRequirementTypeEnum AssignmentRequirementType { get; set; }
+
     public DateTime? EndTime { get; set; }
 
 
     public DateTime CreationTime { get; set; }
     public int OrderNum { get; set; }
-    public DateTime? LastModificationTime{ get; set; }
+    public DateTime? LastModificationTime { get; set; }
 
 
     public bool IsAllowCompleted()
@@ -67,19 +70,19 @@ public class AssignmentAggregateRoot : AggregateRoot<Guid>, IHasCreationTime, IO
 
     public bool TrySetExpire()
     {
-        if (ExpireTime<=DateTime.Now)
+        if (ExpireTime <= DateTime.Now)
         {
+            //现在时间已经大于过期时间
             AssignmentState = AssignmentStateEnum.Expired;
-            return false;
+            return true;
         }
 
-        return true;
+        return false;
     }
 
     public void SetEnd()
     {
         this.AssignmentState = AssignmentStateEnum.End;
-        this.EndTime=DateTime.Now;
+        this.EndTime = DateTime.Now;
-        
     }
 }