diff --git a/1.6/1.6/Assemblies/WulaFallenEmpire.dll b/1.6/1.6/Assemblies/WulaFallenEmpire.dll
index b9f51d97..84c43473 100644
Binary files a/1.6/1.6/Assemblies/WulaFallenEmpire.dll and b/1.6/1.6/Assemblies/WulaFallenEmpire.dll differ
diff --git a/1.6/1.6/Assemblies/WulaFallenEmpire.pdb b/1.6/1.6/Assemblies/WulaFallenEmpire.pdb
index 648c6311..876b9c90 100644
Binary files a/1.6/1.6/Assemblies/WulaFallenEmpire.pdb and b/1.6/1.6/Assemblies/WulaFallenEmpire.pdb differ
diff --git a/Source/WulaFallenEmpire/EventSystem/AI/AIAutoCommentary.cs b/Source/WulaFallenEmpire/EventSystem/AI/AIAutoCommentary.cs
index 2528f1e2..50a7edda 100644
--- a/Source/WulaFallenEmpire/EventSystem/AI/AIAutoCommentary.cs
+++ b/Source/WulaFallenEmpire/EventSystem/AI/AIAutoCommentary.cs
@@ -17,32 +17,54 @@ namespace WulaFallenEmpire.EventSystem.AI
 
         public static void ProcessLetter(Letter letter)
         {
-            if (letter == null) return;
+            if (letter == null)
+            {
+                WulaLog.Debug("[AI Commentary] Letter is null, skipping.");
+                return;
+            }
+
+            WulaLog.Debug($"[AI Commentary] Received letter: {letter.Label.Resolve()}");
 
             // 检查设置
             var settings = WulaFallenEmpireMod.settings;
-            if (settings == null || !settings.enableAIAutoCommentary) return;
+            if (settings == null)
+            {
+                WulaLog.Debug("[AI Commentary] Settings is null, skipping.");
+                return;
+            }
+            
+            if (!settings.enableAIAutoCommentary)
+            {
+                WulaLog.Debug("[AI Commentary] Auto commentary is disabled in settings, skipping.");
+                return;
+            }
 
             // 简单的冷却检查，避免刷屏
             int currentTick = Find.TickManager?.TicksGame ?? 0;
-            if (currentTick - lastProcessedTick < MinTicksBetweenComments) return;
+            if (currentTick - lastProcessedTick < MinTicksBetweenComments)
+            {
+                WulaLog.Debug($"[AI Commentary] Cooldown active ({currentTick - lastProcessedTick} < {MinTicksBetweenComments}), skipping.");
+                return;
+            }
             lastProcessedTick = currentTick;
 
             // 获取 AI 核心
             var aiCore = Find.World?.GetComponent<AIIntelligenceCore>();
             if (aiCore == null)
             {
-                WulaLog.Debug("[AI Commentary] AIIntelligenceCore not found.");
+                WulaLog.Debug("[AI Commentary] AIIntelligenceCore not found on World.");
                 return;
             }
 
             // 构建提示词 - 让 AI 自己决定是否需要回复
             string prompt = BuildPrompt(letter);
             
+            WulaLog.Debug($"[AI Commentary] Sending to AI: {letter.Label.Resolve()}");
+            
             // 直接发送到正常的 AI 对话流程（会经过完整的思考流程）
             aiCore.SendAutoCommentaryMessage(prompt);
             
-            WulaLog.Debug($"[AI Commentary] Sent letter to AI: {letter.Label.Resolve()}");
+            WulaLog.Debug($"[AI Commentary] Successfully sent letter to AI: {letter.Label.Resolve()}");
         }
 
         private static string BuildPrompt(Letter letter)
@@ -53,16 +75,28 @@ namespace WulaFallenEmpire.EventSystem.AI
             string label = letter.Label.Resolve() ?? "Unknown";
             string defName = letter.def?.defName ?? "Unknown";
             
-            sb.AppendLine("[游戏事件通知]");
+            // 获取事件描述（ChoiceLetter 才有 Text 属性）
+            string description = "";
+            if (letter is ChoiceLetter choiceLetter)
+            {
+                description = choiceLetter.Text.Resolve() ?? "";
+            }
+            
+            sb.AppendLine("[游戏事件通知 - 自动评论请求]");
             sb.AppendLine($"事件标题: {label}");
             sb.AppendLine($"事件类型: {defName}");
+            if (!string.IsNullOrEmpty(description))
+            {
+                sb.AppendLine($"事件描述: {description}");
+            }
             sb.AppendLine();
             sb.AppendLine("请根据这个事件决定是否需要向玩家发表简短评论。");
             sb.AppendLine("- 如果是重要事件（如袭击、死亡），可以提供建议或警告");
             sb.AppendLine("- 如果是有趣的事件，可以发表幽默评论");
-            sb.AppendLine("- 如果事件不重要或不值得评论，什么都不说即可");
+            sb.AppendLine("- 如果事件不重要或不值得评论，回复 [NO_COMMENT] 即可跳过");
             sb.AppendLine();
             sb.AppendLine("评论要简短（1-2句话），符合你作为帝国AI的人设。");
+            sb.AppendLine("如果你决定不评论，只需回复: [NO_COMMENT]");
             
             return sb.ToString();
         }
diff --git a/Source/WulaFallenEmpire/EventSystem/AI/AIIntelligenceCore.cs b/Source/WulaFallenEmpire/EventSystem/AI/AIIntelligenceCore.cs
index 9ff4f0ab..d284bf6d 100644
--- a/Source/WulaFallenEmpire/EventSystem/AI/AIIntelligenceCore.cs
+++ b/Source/WulaFallenEmpire/EventSystem/AI/AIIntelligenceCore.cs
@@ -886,6 +886,14 @@ You are 'The Legion', a super AI of the Wula Empire. Your personality is authori
                 return;
             }
 
+            // Check for NO_COMMENT marker (AI decided not to comment on auto-commentary events)
+            if (cleanedResponse.Contains("[NO_COMMENT]") || 
+                cleanedResponse.Trim().Equals("[NO_COMMENT]", StringComparison.OrdinalIgnoreCase))
+            {
+                WulaLog.Debug("[WulaAI] AI chose not to comment ([NO_COMMENT] received). Skipping message.");
+                return;
+            }
+
             bool added = false;
             if (_history.Count == 0 || !string.Equals(_history[_history.Count - 1].role, "assistant", StringComparison.OrdinalIgnoreCase))
             {
diff --git a/Source/WulaFallenEmpire/EventSystem/AI/LetterInterceptor/Patch_LetterStack.cs b/Source/WulaFallenEmpire/EventSystem/AI/LetterInterceptor/Patch_LetterStack.cs
index 622acd4f..e560cb1b 100644
--- a/Source/WulaFallenEmpire/EventSystem/AI/LetterInterceptor/Patch_LetterStack.cs
+++ b/Source/WulaFallenEmpire/EventSystem/AI/LetterInterceptor/Patch_LetterStack.cs
@@ -6,11 +6,15 @@ using WulaFallenEmpire.EventSystem.AI;
 
 namespace WulaFallenEmpire.EventSystem.AI.LetterInterceptor
 {
-    [HarmonyPatch(typeof(LetterStack), nameof(LetterStack.ReceiveLetter), new Type[] { typeof(Letter), typeof(string) })]
+    [HarmonyPatch(typeof(LetterStack), nameof(LetterStack.ReceiveLetter), 
+        new Type[] { typeof(Letter), typeof(string), typeof(int), typeof(bool) })]
     public static class Patch_LetterStack_ReceiveLetter
     {
-        public static void Postfix(Letter let, string debugInfo)
+        public static void Postfix(Letter let, string debugInfo, int delayTicks, bool playSound)
         {
+            // Only process if not delayed (delayTicks == 0 or already arrived)
+            if (delayTicks > 0) return;
+            
             var settings = WulaFallenEmpireMod.settings;
             if (settings == null || !settings.enableAIAutoCommentary)
             {
diff --git a/Source/WulaFallenEmpire/EventSystem/AI/UI/Dialog_AIConversation.cs b/Source/WulaFallenEmpire/EventSystem/AI/UI/Dialog_AIConversation.cs
index 45dca809..7ce60d28 100644
--- a/Source/WulaFallenEmpire/EventSystem/AI/UI/Dialog_AIConversation.cs
+++ b/Source/WulaFallenEmpire/EventSystem/AI/UI/Dialog_AIConversation.cs
@@ -322,6 +322,8 @@ namespace WulaFallenEmpire.EventSystem.AI.UI
                 string messageText = entry.role == "assistant" ? ParseResponseForDisplay(entry.message) : AIIntelligenceCore.StripContextInfo(entry.message);
                 
                 if (entry.role == "tool" || entry.role == "system" || entry.role == "toolcall") continue;
+                // Hide auto-commentary system messages (user-side) from display
+                if (entry.role == "user" && entry.message.Contains("[AUTO_COMMENTARY]")) continue;
                 if (string.IsNullOrEmpty(messageText) || (entry.role == "user" && messageText.StartsWith("[Tool Results]"))) continue;
 
                 bool isLastMessage = i == history.Count - 1;
diff --git a/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink.cs b/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink.cs
index 176ae700..10bf970b 100644
--- a/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink.cs
+++ b/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink.cs
@@ -380,6 +380,9 @@ namespace WulaFallenEmpire.EventSystem.AI.UI
                 if (msg.role == "tool" || msg.role == "toolcall") continue;
                 if (msg.role == "system" && !Prefs.DevMode) continue;
                 
+                // Hide auto-commentary system messages (user-side) from display
+                if (msg.role == "user" && msg.message.Contains("[AUTO_COMMENTARY]")) continue;
+                
                 string displayText = msg.message;
                 if (msg.role == "assistant")
                 {
diff --git a/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink_Notification.cs b/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink_Notification.cs
index 5581f122..af96ab5c 100644
--- a/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink_Notification.cs
+++ b/Source/WulaFallenEmpire/EventSystem/AI/UI/Overlay_WulaLink_Notification.cs
@@ -10,7 +10,7 @@ namespace WulaFallenEmpire.EventSystem.AI.UI
     {
         private string _message;
         private int _tickCreated;
-        private const int DisplayTicks = 180; // 3 seconds
+        private const int DisplayTicks = 600; // 10 seconds
         private Vector2 _size = new Vector2(320f, 65f);
 
         public override Vector2 InitialSize => _size;