新增了提醒静音功能，可以在设置中关闭某个日历本的提醒。

entry/src/main/ets/common/AppSettings.ets

@@ -13,6 +13,7 @@ export class AppSettings {
   private static readonly KEY_SYS_MODE: string = 'sys_cal_mode';       // 'display' | 'backup'
   private static readonly KEY_BACKUP_KEY: string = 'sys_backup_cal_key'; // 备份目标 DAV 日历本
   private static readonly KEY_MANUAL_READONLY: string = 'manual_readonly_keys'; // 手动标记只读的 calKey
+  private static readonly KEY_MUTED_REMINDER: string = 'muted_reminder_keys';  // 提醒静音的 calKey
   private static readonly KEY_FULL_REFETCH: string = 'full_refetch_done'; // 一次性全量重拉已完成
 
   /**
@@ -86,6 +87,33 @@ export class AppSettings {
     }
   }
 
+  /**
+   * 提醒静音的日历本 calKey 列表。
+   * 适用于别人分享的日历本：静音后其中所有日程都不再发布系统提醒（日程本身仍正常显示）。
+   */
+  static async getMutedReminderKeys(context: common.Context): Promise<string[]> {
+    try {
+      const store: preferences.Preferences =
+        await preferences.getPreferences(context, AppSettings.STORE);
+      const raw: string = await store.get(AppSettings.KEY_MUTED_REMINDER, '') as string;
+      return raw === '' ? [] : raw.split(';');
+    } catch (err) {
+      return [];
+    }
+  }
+
+  static async setMutedReminderKeys(context: common.Context, keys: string[]): Promise<void> {
+    try {
+      const store: preferences.Preferences =
+        await preferences.getPreferences(context, AppSettings.STORE);
+      await store.put(AppSettings.KEY_MUTED_REMINDER, keys.join(';'));
+      await store.flush();
+    } catch (err) {
+      const e = err as BusinessError;
+      console.error(`保存提醒静音标记失败: ${e.message}`);
+    }
+  }
+
   /** 系统日历模式：display = 仅混合显示；backup = 本地系统日程备份到选定 CalDAV 日历本 */
   static async getSysCalMode(context: common.Context): Promise<string> {
     try {

entry/src/main/ets/common/ReminderService.ets

@@ -5,6 +5,7 @@ import { reminderAgentManager } from '@kit.BackgroundTasksKit';
 import { common } from '@kit.AbilityKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { EventDb, LocalEvent } from './EventDb';
+import { AppSettings } from './AppSettings';
 import { LogUtil } from './LogUtil';
 
 export class ReminderService {
@@ -18,8 +19,13 @@ export class ReminderService {
       const now: number = Date.now();
       const rows: LocalEvent[] =
         await EventDb.queryRemindable(context, now, now + ReminderService.WINDOW);
+      // 提醒静音的日历本（如别人分享的本）：其中所有日程都不再提醒
+      const muted: string[] = await AppSettings.getMutedReminderKeys(context);
       let published: number = 0;
       for (const e of rows) {
+        if (muted.includes(e.calKey)) {
+          continue;
+        }
         if (published >= ReminderService.MAX_REMINDERS) {
           break;
         }
@@ -50,7 +56,7 @@ export class ReminderService {
         await reminderAgentManager.publishReminder(request);
         published++;
       }
-      LogUtil.write(`提醒刷新完成：发布 ${published} 个提醒（窗口 7 天）`);
+      LogUtil.write(`提醒刷新完成：发布 ${published} 个提醒（窗口 7 天，静音日历本 ${muted.length} 个）`);
     } catch (err) {
       const e = err as BusinessError;
       LogUtil.write(`提醒刷新失败: ${e.code} - ${e.message}`);