diff --git a/Assets/PerfectWorld/Prefab/Task/TaskTrace/DlgTaskTrace.prefab b/Assets/PerfectWorld/Prefab/Task/TaskTrace/DlgTaskTrace.prefab
index f0695daa74..16656ee90f 100644
--- a/Assets/PerfectWorld/Prefab/Task/TaskTrace/DlgTaskTrace.prefab
+++ b/Assets/PerfectWorld/Prefab/Task/TaskTrace/DlgTaskTrace.prefab
@@ -38,7 +38,7 @@ RectTransform:
   m_AnchorMin: {x: 0, y: 1}
   m_AnchorMax: {x: 0, y: 1}
   m_AnchoredPosition: {x: 161.25, y: 0}
-  m_SizeDelta: {x: 322.5, y: 0}
+  m_SizeDelta: {x: 322.5, y: 300}
   m_Pivot: {x: 0.5, y: 1}
 --- !u!222 &9154858122360570458
 CanvasRenderer:
@@ -372,6 +372,8 @@ MonoBehaviour:
   m_pTxt_Desc: {fileID: 2531022629832384091}
   m_pBtnFinishTaskByContribution: {fileID: 0}
   m_pBtnContributionTaskHelp: {fileID: 0}
+  m_pToggleReceived: {fileID: 3754705535557026321}
+  m_pToggleNotReceived: {fileID: 6274674518893574845}
 --- !u!1 &2291589776560736050
 GameObject:
   m_ObjectHideFlags: 0
@@ -449,7 +451,7 @@ MonoBehaviour:
     m_PressedTrigger: Pressed
     m_SelectedTrigger: Selected
     m_DisabledTrigger: Disabled
-  m_Interactable: 0
+  m_Interactable: 1
   m_TargetGraphic: {fileID: 8307833885626771741}
   toggleTransition: 1
   graphic: {fileID: 1446671815119800730}
diff --git a/Assets/PerfectWorld/Scripts/Task/TaskClient.cs b/Assets/PerfectWorld/Scripts/Task/TaskClient.cs
index 398cdd7b3a..4cf1a68d30 100644
--- a/Assets/PerfectWorld/Scripts/Task/TaskClient.cs
+++ b/Assets/PerfectWorld/Scripts/Task/TaskClient.cs
@@ -587,6 +587,14 @@ namespace BrewMonster.Scripts.Task
 			pTempl.ClearValidCount();
 			// OnServerNotify method signature may need adjustment for C# (ref/out parameters)
 			pTempl.OnServerNotify(pTask, pEntry, pNotify, sz, pBuf);
+
+			// TASK_SVR_NOTIFY_COMPLETE (reason 2): re-expand trace for this quest line (subtask chain advance).
+			// TASK_SVR_NOTIFY_COMPLETE（reason=2）：子任务推进后重新挂接追踪链。
+			if (pNotify.reason == TaskTemplConstants.TASK_SVR_NOTIFY_COMPLETE)
+			{
+				var gameUi = EC_Game.GetGameRun()?.GetUIManager()?.GetInGameUIMan() as CECGameUIMan;
+				gameUi?.RetraceTaskAfterServerNotifyComplete(pNotify.task);
+			}
 		}
 
 		// Helper method to get task template manager
diff --git a/Assets/PerfectWorld/Scripts/Task/UI/DlgTask.cs b/Assets/PerfectWorld/Scripts/Task/UI/DlgTask.cs
index eb0113d668..67909fd581 100644
--- a/Assets/PerfectWorld/Scripts/Task/UI/DlgTask.cs
+++ b/Assets/PerfectWorld/Scripts/Task/UI/DlgTask.cs
@@ -122,6 +122,7 @@ namespace BrewMonster.Scripts.Task.UI
         // private:
         private static List<int> m_vecTasksUnFinish = new List<int>();
         private static List<int> m_vecTasksCanFinish = new List<int>();
+		private static List<int> m_vecTasksCanGet = new List<int>();
 
         // [中文] 目标坐标集合
         // [English] Target coordinates collection
@@ -378,6 +379,7 @@ namespace BrewMonster.Scripts.Task.UI
 	        m_pBtn_SearchQuest.interactable = true;
 	        m_pBtn_HaveQuest.interactable = false;
 	        UpdateTask();
+	        RefreshVecTasksCanGet();
         }
 		public void OnCommand_showtrace(string szCommand,bool state) {
 			m_bShowTrace = state;
@@ -401,6 +403,7 @@ namespace BrewMonster.Scripts.Task.UI
 					vec_task.Remove((int)idTask);
 				}
 			}
+			Debug.Log($"[DlgTask] TraceTask: idTask={idTask}, task name={pTask.GetTaskTemplMan().GetTaskTemplByID((uint)idTask).GetName()}");
 			//get the position of idTask in pLst
 			int position = pTask.GetFirstSubTaskPosition(idTask);
 			while(position != -1)
@@ -410,6 +413,60 @@ namespace BrewMonster.Scripts.Task.UI
 			}
 			ShowTraceDialog();
 		}
+
+		/// <summary>
+		/// Add task to trace lists if traceable (no toggle). Used when seeding trace after TASK_DATA init; mirrors TraceTask minus remove/toggle.
+		/// 若可追踪则加入追踪列表（无切换）。在 TASK_DATA 初始化后填充追踪时用；逻辑对齐 TraceTask 但不移除/切换。
+		/// </summary>
+		private void AddTaskToTraceListsNonToggle(uint idTask)
+		{
+			if (IsPQTaskOrSubTask((int)idTask))
+				return;
+			CECTaskInterface pTask = GetHostPlayer()?.GetTaskInterface();
+			if (pTask == null)
+				return;
+			bool bFinishedTask = pTask.CanFinishTask(idTask);
+			List<int> vec_task = bFinishedTask ? m_vecTasksCanFinish : m_vecTasksUnFinish;
+			if (IsTaskTraceable(idTask))
+			{
+				if (!vec_task.Contains((int)idTask))
+					vec_task.Add((int)idTask);
+			}
+			int position = pTask.GetFirstSubTaskPosition(idTask);
+			while (position != -1)
+			{
+				int idSub = pTask.GetNextSub(ref position);
+				AddTaskToTraceListsNonToggle((uint)idSub);
+			}
+		}
+
+		/// <summary>
+		/// After server task pack and templates are loaded (CECTaskInterface.Init finished), apply trace like USER_LAYOUT from server:
+		/// SyncTrace with a full dwTraceMask for the first 32 top-level slots, then add any further top-level tasks (mask is only 32 bits).
+		/// 服务端任务包与模板加载完成后调用：用满掩码对前 32 个顶层槽位 SyncTrace，再为更多顶层任务补充追踪（掩码仅 32 位）。
+		/// </summary>
+		public void SyncTraceAfterTaskDataInit(CECTaskInterface pTask)
+		{
+			if (pTask == null || GetHostPlayer()?.GetTaskInterface() != pTask)
+				return;
+
+			var ul = new USER_LAYOUT { bTraceAll = true };
+			int n = (int)pTask.GetTaskCount();
+			if (n > 0)
+			{
+				int bits = Mathf.Min(n, 32);
+				ul.dwTraceMask = bits >= 32 ? uint.MaxValue : ((1u << bits) - 1u);
+			}
+
+			SyncTrace(ul, true);
+
+			for (int i = 32; i < n; i++)
+				AddTaskToTraceListsNonToggle(pTask.GetTaskId((uint)i));
+
+			RefreshVecTasksCanGet(pTask);
+			RefreshTaskTrace(ul.bTraceAll);
+		}
+
 		public void ShowTraceDialog()
 		{
 			Debug.Log($"[DlgTask] ShowTraceDialog: m_bShowTrace={m_bShowTrace}");
@@ -422,6 +479,28 @@ namespace BrewMonster.Scripts.Task.UI
 				EventBus.Publish(new UIEvent(UIEventType.HideTrace));
 			}
 		}
+
+		/// <summary>
+		/// TASK_SVR_NOTIFY_COMPLETE (reason 2): re-expand the quest trace from the top task (add-only, same subchain walk as TraceTask).
+		/// Using TraceTask() here would toggle entries off/on incorrectly; this re-seeds the active subtask chain after server advance.
+		/// 服务端 reason=2 任务推进/完成后，从顶层任务重新挂接追踪子链（与 TraceTask 同 walk，但只添加不切换）。
+		/// </summary>
+		public void RetraceAfterTaskServerNotifyComplete(uint notifyTaskId, bool bShowTrace)
+		{
+			var pIface = GetHostPlayer()?.GetTaskInterface();
+			if (pIface == null)
+				return;
+			ATaskTemplMan pMan = EC_Game.GetTaskTemplateMan();
+			ATaskTempl t = pMan?.GetTaskTemplByID(notifyTaskId);
+			if (t == null)
+				return;
+			uint rootId = t.GetTopTask().GetID();
+			if (rootId == 0)
+				return;
+			if (pIface.HasTask(rootId))
+				AddTaskToTraceListsNonToggle(rootId);
+			RefreshTaskTrace(bShowTrace);
+		}
 		public void OnCommand_focus(string szCommand="") {
 			var pTree = m_pTv_Quest;
 			var pItem = pTree?.GetSelectedItem();
@@ -506,6 +585,7 @@ namespace BrewMonster.Scripts.Task.UI
 			int taskIdInt = (int)topTaskId;
 			m_vecTasksCanFinish.Remove(taskIdInt);
 			m_vecTasksUnFinish.Remove(taskIdInt);
+			RefreshVecTasksCanGet();
 			
 			// Send notification to server to abandon the currently selected task
 			TaskClient._notify_svr(pTask, (byte)ClientNotificationConstants.TASK_CLT_NOTIFY_CHECK_GIVEUP, (ushort)topTaskId);
@@ -788,48 +868,62 @@ namespace BrewMonster.Scripts.Task.UI
 			{
 				CECHostPlayer host = GetHostPlayer();
 				CECTaskInterface pTask = host.GetTaskInterface();
-				if( m_vecTasksCanFinish.Count > 0 )
-				{
-					for(int i = 0; i < m_vecTasksCanFinish.Count; i++ )
-					{
-						int idTask = m_vecTasksCanFinish[i];
-						bool bCanFinish = pTask.CanFinishTask((uint)idTask);
-						bool bHasTask = pTask.HasTask((uint)idTask);	
-						if(!bHasTask || !bCanFinish)
-						{
-							// 任务未完成，状态变化要删除
-							m_vecTasksCanFinish.RemoveAt(i);
-							i--;
-							if (bHasTask && !bCanFinish) {
-								if (!m_vecTasksUnFinish.Contains(idTask))
-									m_vecTasksUnFinish.Add(idTask);
-							}
-						}
-					}
-				}
-				if( m_vecTasksUnFinish.Count > 0 )
-				{
-					for(int i = 0; i < m_vecTasksUnFinish.Count; i++ )
-					{
-						int idTask = m_vecTasksUnFinish[i];
-						bool bCanFinish = pTask.CanFinishTask((uint)idTask);
-						bool bHasTask = pTask.HasTask((uint)idTask);
-						if(!bHasTask || bCanFinish)
-						{
-							// �������û���ˣ�����״̬�仯Ҫ�Ƴ�����
-							m_vecTasksUnFinish.RemoveAt(i);
-							i--;
-							if (bHasTask && bCanFinish) {
-								if (!m_vecTasksCanFinish.Contains(idTask))
-									m_vecTasksCanFinish.Add(idTask);
-							}
-						}
-					}
-				}
+				ShowType2 showType2 = pDlgTaskTrace.GetShowType2();
 				List<int> tasks = new List<int>();
-				tasks.Capacity = m_vecTasksCanFinish.Count + m_vecTasksUnFinish.Count;
-				tasks.AddRange(m_vecTasksCanFinish);
-				tasks.AddRange(m_vecTasksUnFinish);
+				if(showType2 == ShowType2.ST_RECIEVED)
+				{
+					if( m_vecTasksCanFinish.Count > 0 )
+					{
+						for(int i = 0; i < m_vecTasksCanFinish.Count; i++ )
+						{
+							int idTask = m_vecTasksCanFinish[i];
+							bool bCanFinish = pTask.CanFinishTask((uint)idTask);
+							bool bHasTask = pTask.HasTask((uint)idTask);	
+							if(!bHasTask || !bCanFinish)
+							{
+								// 任务未完成，状态变化要删除
+								m_vecTasksCanFinish.RemoveAt(i);
+								i--;
+								if (bHasTask && !bCanFinish) {
+									if (!m_vecTasksUnFinish.Contains(idTask))
+										m_vecTasksUnFinish.Add(idTask);
+								}
+							}
+						}
+					}
+					if( m_vecTasksUnFinish.Count > 0 )
+					{
+						for(int i = 0; i < m_vecTasksUnFinish.Count; i++ )
+						{
+							int idTask = m_vecTasksUnFinish[i];
+							bool bCanFinish = pTask.CanFinishTask((uint)idTask);
+							bool bHasTask = pTask.HasTask((uint)idTask);
+							if(!bHasTask || bCanFinish)
+							{
+								// �������û���ˣ�����״̬�仯Ҫ�Ƴ�����
+								m_vecTasksUnFinish.RemoveAt(i);
+								i--;
+								if (bHasTask && bCanFinish) {
+									if (!m_vecTasksCanFinish.Contains(idTask))
+										m_vecTasksCanFinish.Add(idTask);
+								}
+							}
+						}
+					}
+					
+					tasks.Capacity = m_vecTasksCanFinish.Count + m_vecTasksUnFinish.Count;
+					tasks.AddRange(m_vecTasksCanFinish);
+					tasks.AddRange(m_vecTasksUnFinish);
+				}
+				else if(showType2 == ShowType2.ST_NOT_RECIEVED)
+				{
+					// Re-run GetAvailableTasks every trace refresh; m_vecTasksCanGet was only filled on quest UI events and stayed stale.
+					// 每次追踪刷新重新计算可接任务；原先仅在任务界面事件里更新列表，游戏中会一直停留在开局数据。
+					RefreshVecTasksCanGet(pTask);
+					tasks.Capacity = m_vecTasksCanGet.Count;
+					tasks.AddRange(m_vecTasksCanGet);
+				}
+				
 				List<ATaskTempl> titlle_list = new List<ATaskTempl>();
 				List<int> titletask_list = new List<int>();
 				//Dictionary<int, int> title_map = new Dictionary<int, int>();
@@ -1129,6 +1223,11 @@ namespace BrewMonster.Scripts.Task.UI
 				// TaskTemplLst ttl;
 				List<ATaskTempl> ttl = new List<ATaskTempl>(); // TaskTemplLst -> List<ATaskTempl>
 				pMan.GetAvailableTasks(pTask, ttl);
+				// Mirror available-to-accept IDs for trace / other systems (same set as tree nodes).
+				// 与可接任务树节点一致，填充可接任务 ID 列表供追踪等系统使用。
+				m_vecTasksCanGet.Clear();
+				for (int j = 0; j < ttl.Count; j++)
+					m_vecTasksCanGet.Add((int)ttl[j].GetID());
 				if( ttl.Count <= 0 ) return true;
 				
 				for(int i = 0; i < ttl.Count; i++ )
@@ -1198,6 +1297,11 @@ namespace BrewMonster.Scripts.Task.UI
 					}
 				}
 			}
+
+			// Search view already rebuilt m_vecTasksCanGet inside SearchForTask(-1).
+			// 搜索页在 SearchForTask 内已更新 m_vecTasksCanGet。
+			if (m_iType == 0)
+				RefreshVecTasksCanGet();
 			
 			return result;
 		}
@@ -1227,6 +1331,7 @@ namespace BrewMonster.Scripts.Task.UI
 
 				// store m_bShowTrace flag instead of bTraceAll flag
 				m_bShowTrace = pul.bTraceAll;
+				RefreshVecTasksCanGet();
 			}
 			else
 			{
@@ -1303,6 +1408,23 @@ namespace BrewMonster.Scripts.Task.UI
 
         #region PRIVATE METHODS
 
+        /// <summary>
+        /// Rebuild m_vecTasksCanGet from ATaskTemplMan.GetAvailableTasks (same source as Search quest tree).
+        /// 用 GetAvailableTasks 重建可接任务 ID 列表，与可接任务搜索树数据源一致。
+        /// </summary>
+        private void RefreshVecTasksCanGet(CECTaskInterface pTaskIfKnown = null)
+        {
+	        m_vecTasksCanGet.Clear();
+	        CECTaskInterface pTask = pTaskIfKnown ?? GetHostPlayer()?.GetTaskInterface();
+	        if (pTask == null) return;
+	        ATaskTemplMan pMan = EC_Game.GetTaskTemplateMan();
+	        if (pMan == null) return;
+	        List<ATaskTempl> ttl = new List<ATaskTempl>();
+	        pMan.GetAvailableTasks(pTask, ttl);
+	        for (int i = 0; i < ttl.Count; i++)
+		        m_vecTasksCanGet.Add((int)ttl[i].GetID());
+        }
+
         private bool OnInitDialog()
         {
 	        // m_pTxt_QuestNO = (PAUILABEL)GetDlgItem("Txt_QuestNO");
diff --git a/Assets/PerfectWorld/Scripts/Task/UI/DlgTaskTrace.cs b/Assets/PerfectWorld/Scripts/Task/UI/DlgTaskTrace.cs
index 428960e24e..02be1aa6f4 100644
--- a/Assets/PerfectWorld/Scripts/Task/UI/DlgTaskTrace.cs
+++ b/Assets/PerfectWorld/Scripts/Task/UI/DlgTaskTrace.cs
@@ -20,6 +20,13 @@ namespace BrewMonster.Scripts.Task.UI
 		ST_TITLE,				//	��ʾ�ѽӳƺ�����
 		ST_CONTRIBUTION,		//	��ʾ���������ѵĹ��׶�����
     }
+    //New show type in Unity version
+    public enum ShowType2
+	{
+		ST_NONE,
+        ST_RECIEVED,
+        ST_NOT_RECIEVED,
+    }
     public class DlgTaskTrace : DlgNameLink
     {
         static string COLOR_YELLOW = "<color=#ffcb4a>";
@@ -34,8 +41,11 @@ namespace BrewMonster.Scripts.Task.UI
         // [SerializeField] protected Button	m_pBtnChat;
         [SerializeField] protected Button	m_pBtnFinishTaskByContribution;
         [SerializeField] protected Button	m_pBtnContributionTaskHelp;
+        [SerializeField] protected Toggle m_pToggleReceived;
+        [SerializeField] protected Toggle m_pToggleNotReceived;
         protected int			m_nLastTracedTasks;				//	����ʾ���ݶ�Ӧ��׷��������������ijЩ����������������б����л���
         protected ShowType	m_nLastShowType;		//	����ʾ���ݶ�Ӧ���б�����
+        protected ShowType2	m_nLastShowType2;
         protected int			m_nTraceWorldID;		//	����ʾ��Ϣ��׷����Ϣ��Ӧ�ĵ�ͼID
         protected int			m_iContributionCurrentPage;
         protected int			m_iContributionTotalPage;
@@ -69,13 +79,29 @@ namespace BrewMonster.Scripts.Task.UI
         }
         public override void Show(bool value)
         {
+            // RefreshTaskTrace calls Show(true) every tick while visible; do not reset filter or re-wire toggles then.
+            // RefreshTaskTrace 每帧对已显示窗口调用 Show(true)；勿重置“已接/可接”筛选，也勿重复注册 Toggle。
+            bool wasActive = gameObject.activeSelf;
             gameObject.SetActive(value);
             m_bShow = value;
+            if (value && !wasActive)
+                m_nLastShowType2 = ShowType2.ST_RECIEVED;
+            // Remove-before-Add in OnShowDialogue keeps this safe when RefreshTaskTrace calls Show(true) every frame.
             OnShowDialogue();
         }
         public override void OnShowDialogue()
         {
             base.OnShowDialogue();
+            if (m_pToggleReceived != null && m_pToggleNotReceived != null)
+            {
+                m_pToggleReceived.onValueChanged.RemoveListener(OnToggleReceivedValueChanged);
+                m_pToggleNotReceived.onValueChanged.RemoveListener(OnToggleNotReceivedValueChanged);
+                if (m_bShow)
+                {
+                    m_pToggleReceived.onValueChanged.AddListener(OnToggleReceivedValueChanged);
+                    m_pToggleNotReceived.onValueChanged.AddListener(OnToggleNotReceivedValueChanged);
+                }
+            }
             //m_pTxt_Desc = dynamic_cast<PAUITEXTAREA>(GetDlgItem("Txt_Link_Trace"));
             //if(m_pTxt_Desc) m_pTxt_Desc->SetForceRenderScroll(false);
             //m_pChk_Collapse = dynamic_cast<PAUICHECKBOX>(GetDlgItem("Chk_Collapse"));
@@ -96,6 +122,20 @@ namespace BrewMonster.Scripts.Task.UI
             //     );
             //	����׷�ٽ�����ʾĬ���б�
         }
+        public void OnToggleReceivedValueChanged(bool value)
+        {
+            if(value)
+            {
+                m_nLastShowType2 = ShowType2.ST_RECIEVED;
+            }
+        }
+        public void OnToggleNotReceivedValueChanged(bool value)
+        {
+            if(value)
+            {
+                m_nLastShowType2 = ShowType2.ST_NOT_RECIEVED;
+            }
+        }
         public void OnShowDialog()
         {
             GameObject pObjRadio = transform.Find("Rdo_Quest3").gameObject;
@@ -316,6 +356,10 @@ namespace BrewMonster.Scripts.Task.UI
         {
             return m_nLastShowType;
         }
+        public ShowType2 GetShowType2()
+        {
+            return m_nLastShowType2;
+        }
         void PrepareRebuildTaskTrace(){
             m_Buffer = new StringRef();
             m_Buffer.Value = "";
@@ -541,6 +585,10 @@ namespace BrewMonster.Scripts.Task.UI
             var pTempl = pTaskMan.GetTaskTemplByID((uint)id);
             var pEntry = pActiveLst.GetEntry((uint)id);
             if (pTempl != null) {
+                // 任务名与描述都为空时不显示（数据缺失或损坏） / Hide when both name and description are empty (missing or corrupt data)
+                if (string.IsNullOrWhiteSpace(pTempl.GetName()) && string.IsNullOrWhiteSpace(pTempl.GetDescription()))
+                    return;
+
                 int contribution = 0;
                 // �������׶ȵ�����ֻ�ڶ���������ʾ����ֵ
                 if (hasContributionAward) {
@@ -635,17 +683,15 @@ namespace BrewMonster.Scripts.Task.UI
                 if (withName)
                 {
                     AppendText(strIndentIn);
-                    string strNum = index.ToString();
-                    strNum = string.Format("{0}", index);
                     string strName = pTemp.GetName();
                     DeleteColorStr(strName);
-                    strName = strNum + " " + strName;
+                    strName = " " + strName;
                     TaskNameHoverCommand cmd = new TaskNameHoverCommand(m_Buffer, strName, idTask, tsi.m_ulErrCode != 0, bCanContributionFinish);
                     BindLinkCommand(m_pTxt_Desc.tmp, strName, cmd);
                     if (contribution != 0) {
                         int colorIndex = contribution > 0 ? 11288 : 11291;
-                        strNum = string.Format(" {0} {1}", GetStringFromTable(colorIndex), contribution);
-                        AppendText(strNum);
+                        strName = string.Format(" {0} {1}", GetStringFromTable(colorIndex), contribution);
+                        AppendText(strName);
                     }
                     AppendText("\n");
                 }
diff --git a/Assets/PerfectWorld/Scripts/UI/GamePlay/EC_GameUIMan.cs b/Assets/PerfectWorld/Scripts/UI/GamePlay/EC_GameUIMan.cs
index 6107162c18..62074575da 100644
--- a/Assets/PerfectWorld/Scripts/UI/GamePlay/EC_GameUIMan.cs
+++ b/Assets/PerfectWorld/Scripts/UI/GamePlay/EC_GameUIMan.cs
@@ -193,6 +193,18 @@ namespace BrewMonster.UI
                 return m_pDlgTask.UpdateQuestView();
             }
         }
+
+        /// <summary>
+        /// Call after CECTaskInterface.Init completes (TASK_DATA). Restores/applies quest trace via DlgTask.SyncTrace and refreshes minimion.
+        /// 在 CECTaskInterface.Init（TASK_DATA）完成后调用，通过 DlgTask.SyncTrace 应用任务追踪并刷新小窗。
+        /// </summary>
+        public void OnHostTaskDataInitialized(CECTaskInterface pTask)
+        {
+            if (m_pDlgTask == null || pTask == null)
+                return;
+            m_pDlgTask.SyncTraceAfterTaskDataInit(pTask);
+        }
+
         public DialogScriptTableObject GetDialogResource()
         {
             return m_dialogResouce;
@@ -406,6 +418,18 @@ namespace BrewMonster.UI
             }
         }
 
+        /// <summary>
+        /// TASK_SVR_NOTIFY_COMPLETE (reason 2): refresh quest trace after server advances subtasks.
+        /// 服务端任务完成/推进通知后刷新任务追踪。
+        /// </summary>
+        public void RetraceTaskAfterServerNotifyComplete(ushort taskId)
+        {
+            if (m_pDlgTask == null)
+                return;
+            bool showTrace = IsDialogShow("Win_QuestMinion");
+            m_pDlgTask.RetraceAfterTaskServerNotifyComplete((uint)taskId, showTrace);
+        }
+
 
         public void ShowErrorMsg(string pszMsg, string pszName)
         {
diff --git a/Assets/Scripts/CECHostPlayer.Task.cs b/Assets/Scripts/CECHostPlayer.Task.cs
index dcc5169bb0..0a13f07447 100644
--- a/Assets/Scripts/CECHostPlayer.Task.cs
+++ b/Assets/Scripts/CECHostPlayer.Task.cs
@@ -107,6 +107,11 @@ namespace BrewMonster
                 // GET_ALL_DATA end flag tasks were here in C++ (LoadConfigData), omitted in C#
                 UnityGameSession.LoadConfigData();
 
+                // Quest trace lists + minimion: apply SyncTrace once active tasks and templates are ready.
+                // 任务追踪：在任务数据与模板就绪后调用 SyncTrace 同步追踪列表与小窗。
+                var pGameUI = EC_Game.GetGameRun()?.GetUIManager()?.GetInGameUIMan();
+                pGameUI?.OnHostTaskDataInitialized(m_pTaskInterface);
+
                 // if (UpdateEquipSkills()) UpdateEquipSkillCoolDown(); // methods not ported yet
             }
             else if (header == CommandID.TASK_VAR_DATA)