diff --git a/internal/logic/public/user/unbindDeviceLogic.go b/internal/logic/public/user/unbindDeviceLogic.go
index 7190a00..94b1517 100644
--- a/internal/logic/public/user/unbindDeviceLogic.go
+++ b/internal/logic/public/user/unbindDeviceLogic.go
@@ -56,10 +56,7 @@ func (l *UnbindDeviceLogic) logoutUnbind(userInfo *user.User, device *user.Devic
 	// 2. 事务前收集受影响的家庭成员 ID（事务会改变家庭关系，之后查不到）
 	familyMemberIDs := l.collectFamilyMemberIDs(userInfo.Id)
 
-	// 3. 事务前查出用户订阅，用于事务后清订阅缓存
-	userSubscribes, _ := l.svcCtx.UserModel.QueryUserSubscribe(l.ctx, userInfo.Id)
-
-	// 4. 事务：解绑家庭组 + 解绑非 device 的登录方式 + 删除订阅
+	// 3. 事务：解绑家庭组 + 解绑非 device 的登录方式
 	err := l.svcCtx.DB.Transaction(func(tx *gorm.DB) error {
 		// 解绑家庭组（owner 解散整个家庭，member 退出家庭）
 		exitHelper := newFamilyExitHelper(l.ctx, l.svcCtx)
@@ -73,12 +70,6 @@ func (l *UnbindDeviceLogic) logoutUnbind(userInfo *user.User, device *user.Devic
 			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseDeletedError), "delete non-device auth methods failed")
 		}
 
-		// 删除该用户的所有订阅（解绑后不应保留原账号的订阅）
-		if err := tx.Where("user_id = ?", userInfo.Id).
-			Delete(&user.Subscribe{}).Error; err != nil {
-			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "delete user subscribes failed")
-		}
-
 		return nil
 	})
 	if err != nil {
@@ -113,44 +104,7 @@ func (l *UnbindDeviceLogic) logoutUnbind(userInfo *user.User, device *user.Devic
 		)
 	}
 
-	// 8. 清理订阅相关缓存
-	if len(userSubscribes) > 0 {
-		subscribeModels := make([]*user.Subscribe, 0, len(userSubscribes)+1)
-		subscribeModels = append(subscribeModels, &user.Subscribe{UserId: userInfo.Id})
-		subscribeIDSet := make(map[int64]struct{})
-		for _, sub := range userSubscribes {
-			subscribeModels = append(subscribeModels, &user.Subscribe{
-				Id:          sub.Id,
-				UserId:      sub.UserId,
-				SubscribeId: sub.SubscribeId,
-				Token:       sub.Token,
-			})
-			if sub.SubscribeId > 0 {
-				subscribeIDSet[sub.SubscribeId] = struct{}{}
-			}
-		}
-		if clearErr := l.svcCtx.UserModel.ClearSubscribeCache(l.ctx, subscribeModels...); clearErr != nil {
-			l.Errorw("clear subscribe cache failed",
-				logger.Field("user_id", userInfo.Id),
-				logger.Field("error", clearErr.Error()),
-			)
-		}
-		for subscribeID := range subscribeIDSet {
-			if clearErr := l.svcCtx.SubscribeModel.ClearCache(l.ctx, subscribeID); clearErr != nil {
-				l.Errorw("clear subscribe plan cache failed",
-					logger.Field("subscribe_id", subscribeID),
-					logger.Field("error", clearErr.Error()),
-				)
-			}
-		}
-		if clearErr := l.svcCtx.NodeModel.ClearServerAllCache(l.ctx); clearErr != nil {
-			l.Errorw("clear server cache failed",
-				logger.Field("error", clearErr.Error()),
-			)
-		}
-	}
-
-	// 9. 清理受影响的家庭成员缓存（家庭解散后成员需感知变化）
+	// 8. 清理受影响的家庭成员缓存（家庭解散后成员需感知变化）
 	for _, memberID := range familyMemberIDs {
 		if memberUser, findErr := l.svcCtx.UserModel.FindOne(l.ctx, memberID); findErr == nil {
 			if clearErr := l.svcCtx.UserModel.ClearUserCache(l.ctx, memberUser); clearErr != nil {