增加 AreDailyMissionObjectivesSatisfied：按任务配置里每一条 MissionProgress，检查对应 CharacterMissionProgress 是否存在且 CurrentCount >= TargetCount（与战斗结算、MissionProgressService 的规则一致）。

CheckAndCompleteExpiredMissions：
超时且目标全部达成 → 仍为 Completed（可在时限结束前打完）。
超时但未达成 → 删除该每日实例下的 CharacterMissionProgress，任务回到 Pending，清空 StartTime / EndTime，并发一条系统聊天说明可重新接取。

Build_God_Api/Build_God_Api/Services/DailyMissionService.cs

@@ -22,7 +22,8 @@ namespace Build_God_Api.Services
         Task<bool> ClaimReward(int characterId, int dailyMissionId);
 
         /// <summary>
-        /// 检查并完成所有到期任务
+        /// 检查进行中任务的时限：仅在客观目标（击杀/收集等）已全部达成时标记为完成；
+        /// 超时且未达成的重置为待接取并清除进度记录。
         /// </summary>
         Task CheckAndCompleteExpiredMissions();
 
@@ -316,6 +317,25 @@ namespace Build_God_Api.Services
             return true;
         }
 
+        private async Task<bool> AreDailyMissionObjectivesSatisfied(int dailyMissionId, Mission mission)
+        {
+            if (mission.Progresses == null || mission.Progresses.Count == 0)
+                return false;
+
+            var characterProgressList = await _db.Queryable<CharacterMissionProgress>()
+                .Where(x => x.DailyMissionId == dailyMissionId)
+                .ToListAsync();
+
+            foreach (var p in mission.Progresses)
+            {
+                var cp = characterProgressList.FirstOrDefault(x => x.MissionProgressId == p.Id);
+                if (cp == null || cp.CurrentCount < p.TargetCount)
+                    return false;
+            }
+
+            return true;
+        }
+
         public async Task CheckAndCompleteExpiredMissions()
         {
             var now = GetBeijingTime();
@@ -324,12 +344,45 @@ namespace Build_God_Api.Services
                 .Where(x => x.Status == DailyMissionStatus.InProgress && x.EndTime <= now)
                 .ToListAsync();
 
-            foreach (var mission in expiredMissions)
+            foreach (var dm in expiredMissions)
+            {
+                var mission = await _db.Queryable<Mission>()
+                    .Includes(x => x.Progresses)
+                    .FirstAsync(x => x.Id == dm.MissionId);
+
+                if (mission == null)
+                    continue;
+
+                if (await AreDailyMissionObjectivesSatisfied(dm.Id, mission))
+                {
+                    dm.Status = DailyMissionStatus.Completed;
+                    await _db.Updateable(dm).ExecuteCommandAsync();
+
+                    _logger.LogInformation(
+                        "每日任务实例 {DailyMissionId}（配置 {MissionId}）已在时限内达成目标，角色 {CharacterId} 待领取",
+                        dm.Id, dm.MissionId, dm.CharacterId);
+                }
+                else
                 {
-                mission.Status = DailyMissionStatus.Completed;
-                await _db.Updateable(mission).ExecuteCommandAsync();
+                    await _db.Deleteable<CharacterMissionProgress>()
+                        .Where(x => x.DailyMissionId == dm.Id)
+                        .ExecuteCommandAsync();
+
+                    dm.Status = DailyMissionStatus.Pending;
+                    dm.StartTime = null;
+                    dm.EndTime = null;
+                    await _db.Updateable(dm).ExecuteCommandAsync();
+
+                    var character = await _db.Queryable<Character>()
+                        .FirstAsync(x => x.Id == dm.CharacterId);
+
+                    var msg = $"【{mission.Title}】未在限时内完成目标，任务已重置为待接取。";
+                    await _chatService.AddMessageAsync(dm.CharacterId, character?.Name ?? "玩家", msg, ChatMessageType.System);
 
-                _logger.LogInformation("任务 {MissionId} 已自动完成，等待角色 {CharacterId} 领取", mission.MissionId, mission.CharacterId);
+                    _logger.LogInformation(
+                        "角色 {CharacterId} 的每日任务实例 {DailyMissionId} 超时未完成，已重置为待接取",
+                        dm.CharacterId, dm.Id);
+                }
             }
         }
 

Build_God_Game/src/views/DailyMissionView.vue

@@ -214,10 +214,10 @@ const MissionCardContent = defineComponent({
         h('span', { class: ['card-status', getStatusClass(props.mission.status)] }, getStatusText(props.mission.status)),
       ]),
       h('div', { class: 'card-desc' }, props.mission.missionDescription),
-      //h('div', { class: 'card-meta-row' }, [
+      h('div', { class: 'card-meta-row' }, [
         //h('span', { class: ['difficulty-badge', getDifficultyClass(props.mission.difficulty)] }, getDifficultyLabel(props.mission.difficulty)),
-      //h('span', { class: 'time-badge' }, `预计 ${props.mission.spendTimeMinutes} 分钟`),
-      //]),
+        h('span', { class: 'time-badge' }, `限时 ${props.mission.spendTimeMinutes} 分钟`),
+      ]),
       props.mission.progresses && props.mission.progresses.length > 0
         ? h('div', { class: 'objective-panel' }, [
           h('span', { class: 'objective-label' }, '任务目标'),
@@ -599,14 +599,11 @@ const MissionCardContent = defineComponent({
   font-weight: 700;
 }
 
-.time-badge {
-  padding: 4px 10px;
-  border-radius: 999px;
-  background: rgba(255, 255, 255, 0.05);
-  border: 1px solid rgba(255, 255, 255, 0.08);
-  color: #9ca3af;
-  font-size: 0.72rem;
-  font-weight: 600;
+:deep(.time-badge) {
+  color: #aaaaaa;
+  font-size: 0.84rem;
+  line-height: 1.55;
+  margin: 0;
 }
 
 .difficulty-normal {