diff --git a/app/src/leanback/java/com/fongmi/android/tv/Updater.java b/app/src/leanback/java/com/fongmi/android/tv/Updater.java
index 57354f64..90d0f627 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/Updater.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/Updater.java
@@ -6,6 +6,7 @@ import android.view.View;
 
 import androidx.appcompat.app.AlertDialog;
 
+import com.fongmi.android.tv.App;
 import com.fongmi.android.tv.databinding.DialogUpdateBinding;
 import com.fongmi.android.tv.utils.Download;
 import com.fongmi.android.tv.utils.FileUtil;
@@ -79,13 +80,38 @@ public class Updater implements Download.Callback {
 
     private void doInBackground(Activity activity) {
         try {
-            JSONObject object = new JSONObject(OkHttp.string(getJson()));
+            String response = OkHttp.string(getJson());
+            
+            // 检查响应是否包含错误信息
+            if (response.contains("rate limit exceeded")) {
+                App.post(() -> Notify.show("检查更新失败：API请求过于频繁，请稍后重试"));
+                return;
+            }
+            
+            if (response.contains("Not Found Project") || response.contains("Not Found")) {
+                App.post(() -> Notify.show("检查更新失败：更新服务暂时不可用"));
+                return;
+            }
+            
+            JSONObject object = new JSONObject(response);
             String name = object.optString("name");
             String desc = object.optString("desc");
             int code = object.optInt("code");
             if (need(code, name)) App.post(() -> show(activity, name, desc));
         } catch (Exception e) {
             e.printStackTrace();
+            // 添加用户友好的错误提示
+            App.post(() -> {
+                String errorMsg = "检查更新失败";
+                if (e.getMessage() != null && e.getMessage().contains("rate limit")) {
+                    errorMsg = "检查更新失败：请求过于频繁，请稍后重试";
+                } else if (e.getMessage() != null && e.getMessage().contains("Not Found")) {
+                    errorMsg = "检查更新失败：更新服务暂时不可用";
+                } else {
+                    errorMsg = "检查更新失败，请稍后重试";
+                }
+                Notify.show(errorMsg);
+            });
         }
     }
 
diff --git a/app/src/mobile/java/com/fongmi/android/tv/Updater.java b/app/src/mobile/java/com/fongmi/android/tv/Updater.java
index 5bc78541..47c36bb5 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/Updater.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/Updater.java
@@ -7,6 +7,7 @@ import android.view.View;
 
 import androidx.appcompat.app.AlertDialog;
 
+import com.fongmi.android.tv.App;
 import com.fongmi.android.tv.databinding.DialogUpdateBinding;
 import com.fongmi.android.tv.utils.Download;
 import com.fongmi.android.tv.utils.FileUtil;
@@ -124,6 +125,17 @@ public class Updater implements Download.Callback {
             String response = OkHttp.string(jsonUrl);
             Logger.d("Update check response: " + response);
             
+            // 检查响应是否包含错误信息
+            if (response.contains("rate limit exceeded")) {
+                App.post(() -> Notify.show("检查更新失败：API请求过于频繁，请稍后重试"));
+                return;
+            }
+            
+            if (response.contains("Not Found Project") || response.contains("Not Found")) {
+                App.post(() -> Notify.show("检查更新失败：更新服务暂时不可用"));
+                return;
+            }
+            
             JSONObject release = new JSONObject(response);
             String tagName = release.getString("tag_name");
             String body = release.getString("body");
@@ -148,6 +160,18 @@ public class Updater implements Download.Callback {
         } catch (Exception e) {
             Logger.e("Update check failed", e);
             e.printStackTrace();
+            // 添加用户友好的错误提示
+            App.post(() -> {
+                String errorMsg = "检查更新失败";
+                if (e.getMessage() != null && e.getMessage().contains("rate limit")) {
+                    errorMsg = "检查更新失败：请求过于频繁，请稍后重试";
+                } else if (e.getMessage() != null && e.getMessage().contains("Not Found")) {
+                    errorMsg = "检查更新失败：更新服务暂时不可用";
+                } else {
+                    errorMsg = "检查更新失败，请稍后重试";
+                }
+                Notify.show(errorMsg);
+            });
         }
     }
 
diff --git a/catvod/src/main/java/com/github/catvod/utils/Github.java b/catvod/src/main/java/com/github/catvod/utils/Github.java
index a74c6753..b4a674e4 100644
--- a/catvod/src/main/java/com/github/catvod/utils/Github.java
+++ b/catvod/src/main/java/com/github/catvod/utils/Github.java
@@ -17,9 +17,9 @@ public class Github {
     public static final String URL = "https://raw.githubusercontent.com/Tosencen/XMBOX/main";
     public static final String API_URL = "https://api.github.com/repos/Tosencen/XMBOX/releases/latest";
     
-    // 国内镜像地址 - 使用Gitee作为示例，实际应替换为您的镜像地址
-    public static final String CN_URL = "https://gitee.com/tosencen/XMBOX/raw/main";
-    public static final String CN_API_URL = "https://gitee.com/api/v5/repos/tosencen/XMBOX/releases/latest";
+    // 国内镜像地址 - 使用Gitee作为镜像
+    public static final String CN_URL = "https://gitee.com/ochenoktochen/XMBOX/raw/main";
+    public static final String CN_API_URL = "https://gitee.com/api/v5/repos/ochenoktochen/XMBOX/releases/latest";
     
     // 存储测速结果
     private static Boolean useCnMirror = null;