diff --git a/Build_God_Api/Build_God_Api/Services/DailyMissionService.cs b/Build_God_Api/Build_God_Api/Services/DailyMissionService.cs
index 63dccab..6ad9733 100644
--- a/Build_God_Api/Build_God_Api/Services/DailyMissionService.cs
+++ b/Build_God_Api/Build_God_Api/Services/DailyMissionService.cs
@@ -78,11 +78,13 @@ namespace Build_God_Api.Services
     public class DailyMissionService(
         ISqlSugarClient db,
         IBagService bagService,
+        IChatService chatService,
         ILogger<DailyMissionService> logger
     ) : IDailyMissionService
     {
         private readonly ISqlSugarClient _db = db;
         private readonly IBagService _bagService = bagService;
+        private readonly IChatService _chatService = chatService;
         private readonly ILogger<DailyMissionService> _logger = logger;
 
         private const int DailyMissionCount = 5;
@@ -306,6 +308,9 @@ namespace Build_God_Api.Services
             dailyMission.Status = DailyMissionStatus.Claimed;
             await _db.Updateable(dailyMission).ExecuteCommandAsync();
 
+            var claimMessage = $"恭喜！任务【{mission.Title}】已完成，奖励：✨{expReward} 💰{moneyReward}";
+            await _chatService.AddMessageAsync(characterId, character.Name, claimMessage, ChatMessageType.System);
+
             _logger.LogInformation("角色 {CharacterId} 领取了任务 {MissionId} 的奖励", characterId, mission.Id);
 
             return true;
@@ -340,9 +345,18 @@ namespace Build_God_Api.Services
 
             if (yesterdayUnclaimedMissions.Any())
             {
+                var charInfo = await _db.Queryable<Character>()
+                    .FirstAsync(x => x.Id == characterId);
+                
                 foreach (var mission in yesterdayUnclaimedMissions)
                 {
+                    var missionConfig = await _db.Queryable<Mission>().FirstAsync(x => x.Id == mission.MissionId);
+                    var missionName = missionConfig?.Title ?? "每日任务";
                     await _db.Deleteable<CharacterDailyMission>().Where(x => x.Id == mission.Id).ExecuteCommandAsync();
+                    
+                    var expireMessage = $"【{missionName}】由于没有完成已自动过期，并已为您分配新的任务，请按时完成任务吧！";
+                    await _chatService.AddMessageAsync(characterId, charInfo?.Name ?? "玩家", expireMessage, ChatMessageType.System);
+                    
                     _logger.LogInformation("清理角色 {CharacterId} 的昨日未领取任务 {MissionId}", characterId, mission.Id);
                 }
             }