diff --git a/src/MaaWpfGui/Constants/Enums/MirrorChyanErrorCode.cs b/src/MaaWpfGui/Constants/Enums/MirrorChyanErrorCode.cs
index c6b9af616f..e513aec852 100644
--- a/src/MaaWpfGui/Constants/Enums/MirrorChyanErrorCode.cs
+++ b/src/MaaWpfGui/Constants/Enums/MirrorChyanErrorCode.cs
@@ -45,6 +45,11 @@ public enum MirrorChyanErrorCode
     /// </summary>
     KeyMismatched = 7004,
 
+    /// <summary>
+    /// CDK 已被封禁
+    /// </summary>
+    KeyBlocked = 7005,
+
     /// <summary>
     /// 对应架构和系统下的资源不存在
     /// </summary>
diff --git a/src/MaaWpfGui/Models/ResourceUpdater.cs b/src/MaaWpfGui/Models/ResourceUpdater.cs
index 4600319aba..74684f86c2 100644
--- a/src/MaaWpfGui/Models/ResourceUpdater.cs
+++ b/src/MaaWpfGui/Models/ResourceUpdater.cs
@@ -217,6 +217,9 @@ namespace MaaWpfGui.Models
                     case MirrorChyanErrorCode.KeyMismatched:
                         ToastNotification.ShowDirect(LocalizationHelper.GetString("MirrorChyanCdkMismatched"));
                         break;
+                    case MirrorChyanErrorCode.KeyBlocked:
+                        ToastNotification.ShowDirect(LocalizationHelper.GetString("MirrorChyanCdkBlocked"));
+                        break;
                     case MirrorChyanErrorCode.InvalidParams:
                     case MirrorChyanErrorCode.ResourceNotFound:
                     case MirrorChyanErrorCode.InvalidOs:
diff --git a/src/MaaWpfGui/Res/Localizations/en-us.xaml b/src/MaaWpfGui/Res/Localizations/en-us.xaml
index 81ab3321d5..44f10cc3ba 100644
--- a/src/MaaWpfGui/Res/Localizations/en-us.xaml
+++ b/src/MaaWpfGui/Res/Localizations/en-us.xaml
@@ -327,6 +327,7 @@ You can cancel this popup by clicking the ｢{key=Settings} - {key=IssueReport}
     <system:String x:Key="MirrorChyanCdkInvalid">The CDK is invalid. Please check if the input is correct.</system:String>
     <system:String x:Key="MirrorChyanCdkQuotaExhausted">The CDK has reached the maximum download limit for today. Please try again tomorrow.</system:String>
     <system:String x:Key="MirrorChyanCdkMismatched">The CDK type does not match the resource to be downloaded. Please check the CDK's applicable scope.</system:String>
+    <system:String x:Key="MirrorChyanCdkBlocked">The CDK has been blocked, possibly due to a refund or abnormal usage.</system:String>
     <system:String x:Key="MirrorChyanCdkRemainingDays">CDK expires in {0} days.</system:String>
     <system:String x:Key="MirrorChyanCdkFetchFailed">Failed to retrieve CDK information. Showing the result from the last successful query.</system:String>
     <system:String x:Key="NewVersionFoundTitle">New Version Found</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/ja-jp.xaml b/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
index 92acbc49fb..4ccbb48fdf 100644
--- a/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
+++ b/src/MaaWpfGui/Res/Localizations/ja-jp.xaml
@@ -327,6 +327,7 @@
     <system:String x:Key="MirrorChyanCdkInvalid">CDK が無効です。入力が正しいか確認してください。</system:String>
     <system:String x:Key="MirrorChyanCdkQuotaExhausted">CDK の本日のダウンロード回数が上限に達しました。明日もう一度お試しください。</system:String>
     <system:String x:Key="MirrorChyanCdkMismatched">CDK の種類がダウンロード対象のリソースと一致しません。CDK の適用範囲を確認してください。</system:String>
+    <system:String x:Key="MirrorChyanCdkBlocked">CDKがブロックされました。返金または異常な使用が原因の可能性があります。</system:String>
     <system:String x:Key="MirrorChyanCdkRemainingDays">CDK の有効期限は残り {0} 日です。</system:String>
     <system:String x:Key="MirrorChyanCdkFetchFailed">CDK 情報の取得に失敗しました。前回正常に取得した結果を表示しています。</system:String>
     <system:String x:Key="NewVersionFoundTitle">新しいバージョンが見つかりました</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/ko-kr.xaml b/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
index 5ddae1b3a0..d79f20d1b7 100644
--- a/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
+++ b/src/MaaWpfGui/Res/Localizations/ko-kr.xaml
@@ -326,6 +326,7 @@
     <system:String x:Key="MirrorChyanCdkInvalid">CDK가 유효하지 않습니다. 입력값이 올바른지 확인해 주세요.</system:String>
     <system:String x:Key="MirrorChyanCdkQuotaExhausted">해당 CDK의 일일 다운로드 횟수가 제한에 도달했습니다. 내일 다시 시도해 주세요.</system:String>
     <system:String x:Key="MirrorChyanCdkMismatched">CDK 유형이 다운로드할 리소스와 일치하지 않습니다. CDK의 적용 범위를 확인해 주세요.</system:String>
+    <system:String x:Key="MirrorChyanCdkBlocked">CDK가 차단되었습니다. 환불 또는 비정상적인 사용으로 인해 발생할 수 있습니다.</system:String>
     <system:String x:Key="MirrorChyanCdkRemainingDays">CDK 만료까지 {0}일 남았습니다.</system:String>
     <system:String x:Key="MirrorChyanCdkFetchFailed">CDK 정보를 가져오지 못했습니다. 마지막으로 성공적으로 조회한 결과를 표시합니다.</system:String>
     <system:String x:Key="NewVersionFoundTitle">새로운 버전 확인</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/zh-cn.xaml b/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
index b564a25fef..17a5900c4f 100644
--- a/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
+++ b/src/MaaWpfGui/Res/Localizations/zh-cn.xaml
@@ -327,6 +327,7 @@
     <system:String x:Key="MirrorChyanCdkInvalid">CDK 无效，请检查输入是否正确。</system:String>
     <system:String x:Key="MirrorChyanCdkQuotaExhausted">CDK 今日下载次数已达上限，请明日再试。</system:String>
     <system:String x:Key="MirrorChyanCdkMismatched">CDK 类型与待下载的资源不匹配，请检查 CDK 适用范围。</system:String>
+    <system:String x:Key="MirrorChyanCdkBlocked">CDK 已被封禁，可能由于退款或非正常使用。</system:String>
     <system:String x:Key="MirrorChyanCdkRemainingDays">CDK 还剩 {0} 天到期。</system:String>
     <system:String x:Key="MirrorChyanCdkFetchFailed">获取 CDK 信息失败，已显示上次成功查询的结果。</system:String>
     <system:String x:Key="NewVersionFoundTitle">检测到新版本</system:String>
diff --git a/src/MaaWpfGui/Res/Localizations/zh-tw.xaml b/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
index da4cea2f39..036c2fec7e 100644
--- a/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
+++ b/src/MaaWpfGui/Res/Localizations/zh-tw.xaml
@@ -325,6 +325,7 @@
     <system:String x:Key="MirrorChyanCdkInvalid">CDK 無效，請檢查輸入是否正確。</system:String>
     <system:String x:Key="MirrorChyanCdkQuotaExhausted">CDK 今日下載次數已達上限，請明日再試。</system:String>
     <system:String x:Key="MirrorChyanCdkMismatched">CDK 類型與待下載的資源不匹配，請檢查 CDK 適用範圍。</system:String>
+    <system:String x:Key="MirrorChyanCdkBlocked">CDK 已被封禁，可能由於退款或非正常使用。</system:String>
     <system:String x:Key="MirrorChyanCdkRemainingDays">CDK 還剩 {0} 天到期。</system:String>
     <system:String x:Key="MirrorChyanCdkFetchFailed">獲取 CDK 資訊失敗，已顯示上次成功查詢的結果。</system:String>
     <system:String x:Key="NewVersionFoundTitle">檢測到新版本</system:String>
diff --git a/src/MaaWpfGui/ViewModels/UI/VersionUpdateViewModel.cs b/src/MaaWpfGui/ViewModels/UI/VersionUpdateViewModel.cs
index 7186d5818d..e1913e8ea6 100644
--- a/src/MaaWpfGui/ViewModels/UI/VersionUpdateViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/VersionUpdateViewModel.cs
@@ -1066,6 +1066,9 @@ public class VersionUpdateViewModel : Screen
                 case MirrorChyanErrorCode.KeyMismatched:
                     ToastNotification.ShowDirect(LocalizationHelper.GetString("MirrorChyanCdkMismatched"));
                     break;
+                case MirrorChyanErrorCode.KeyBlocked:
+                    ToastNotification.ShowDirect(LocalizationHelper.GetString("MirrorChyanCdkBlocked"));
+                    break;
                 case MirrorChyanErrorCode.InvalidParams:
                 case MirrorChyanErrorCode.ResourceNotFound:
                 case MirrorChyanErrorCode.InvalidOs: