diff --git a/README.md b/README.md
index ddb1409..9a1994d 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,12 @@
 
 > 基于原作者v0.29.1代码修改
 
-#### v0.29.1-1补丁
+#### v0.29.1-2
 1. 置顶内容新增自动折叠；置顶效果及图标改为全局显示
 2. 归档页面新增(取消)置顶、编辑、复制按钮
 3. 权限图标改为全局显示
 4. 修复中文目录锚点无效；优化目录显示效果
+5. 备忘录被删除时显式删除其分享链接
 
 #### v0.29.1-1
 1. 修改默认配置
diff --git a/store/db/mysql/memo_share.go b/store/db/mysql/memo_share.go
index 29c278d..5b248af 100644
--- a/store/db/mysql/memo_share.go
+++ b/store/db/mysql/memo_share.go
@@ -116,6 +116,9 @@ func (d *DB) DeleteMemoShare(ctx context.Context, delete *store.DeleteMemoShare)
 	if delete.UID != nil {
 		where, args = append(where, "`uid` = ?"), append(args, *delete.UID)
 	}
+	if delete.MemoID != nil {
+		where, args = append(where, "`memo_id` = ?"), append(args, *delete.MemoID)
+	}
 	_, err := d.db.ExecContext(ctx, "DELETE FROM `memo_share` WHERE "+strings.Join(where, " AND "), args...)
 	return err
 }
diff --git a/store/db/postgres/memo_share.go b/store/db/postgres/memo_share.go
index a802d3e..f773540 100644
--- a/store/db/postgres/memo_share.go
+++ b/store/db/postgres/memo_share.go
@@ -137,6 +137,9 @@ func (d *DB) DeleteMemoShare(ctx context.Context, delete *store.DeleteMemoShare)
 	if delete.UID != nil {
 		where, args = append(where, "uid = "+placeholder(len(args)+1)), append(args, *delete.UID)
 	}
+	if delete.MemoID != nil {
+		where, args = append(where, "memo_id = "+placeholder(len(args)+1)), append(args, *delete.MemoID)
+	}
 	_, err := d.db.ExecContext(ctx, "DELETE FROM memo_share WHERE "+strings.Join(where, " AND "), args...)
 	return err
 }
diff --git a/store/db/sqlite/memo_share.go b/store/db/sqlite/memo_share.go
index ab46679..5c9cf28 100644
--- a/store/db/sqlite/memo_share.go
+++ b/store/db/sqlite/memo_share.go
@@ -139,6 +139,9 @@ func (d *DB) DeleteMemoShare(ctx context.Context, delete *store.DeleteMemoShare)
 	if delete.UID != nil {
 		where, args = append(where, "`uid` = ?"), append(args, *delete.UID)
 	}
+	if delete.MemoID != nil {
+		where, args = append(where, "`memo_id` = ?"), append(args, *delete.MemoID)
+	}
 	_, err := d.db.ExecContext(ctx, "DELETE FROM `memo_share` WHERE "+strings.Join(where, " AND "), args...)
 	return err
 }
diff --git a/store/memo.go b/store/memo.go
index ce6cde2..4fd44e9 100644
--- a/store/memo.go
+++ b/store/memo.go
@@ -145,6 +145,11 @@ func (s *Store) DeleteMemo(ctx context.Context, delete *DeleteMemo) error {
 	if err := s.driver.DeleteMemoRelation(ctx, &DeleteMemoRelation{RelatedMemoID: &delete.ID}); err != nil {
 		return err
 	}
+	// Clean up share links for this memo. SQLite runs with foreign keys disabled,
+	// so it cannot rely on ON DELETE CASCADE for memo_share rows.
+	if err := s.driver.DeleteMemoShare(ctx, &DeleteMemoShare{MemoID: &delete.ID}); err != nil {
+		return err
+	}
 	// Clean up attachments linked to this memo.
 	attachments, err := s.ListAttachments(ctx, &FindAttachment{MemoID: &delete.ID})
 	if err != nil {
diff --git a/store/memo_share.go b/store/memo_share.go
index 709da93..cc69070 100644
--- a/store/memo_share.go
+++ b/store/memo_share.go
@@ -22,8 +22,9 @@ type FindMemoShare struct {
 
 // DeleteMemoShare identifies a share grant to remove.
 type DeleteMemoShare struct {
-	ID  *int32
-	UID *string
+	ID     *int32
+	UID    *string
+	MemoID *int32
 }
 
 // CreateMemoShare creates a new share grant.
diff --git a/store/test/memo_test.go b/store/test/memo_test.go
index 51a2d14..ec567ea 100644
--- a/store/test/memo_test.go
+++ b/store/test/memo_test.go
@@ -112,10 +112,35 @@ func TestDeleteMemoStore(t *testing.T) {
 	memo, err := ts.CreateMemo(ctx, memoCreate)
 	require.NoError(t, err)
 	require.Equal(t, memoCreate.Content, memo.Content)
+	otherMemo, err := ts.CreateMemo(ctx, &store.Memo{
+		UID:        "test-other-memo",
+		CreatorID:  user.ID,
+		Content:    "other test content",
+		Visibility: store.Public,
+	})
+	require.NoError(t, err)
+	share, err := ts.CreateMemoShare(ctx, &store.MemoShare{
+		UID:       "test-delete-memo-share",
+		MemoID:    memo.ID,
+		CreatorID: user.ID,
+	})
+	require.NoError(t, err)
+	keptShare, err := ts.CreateMemoShare(ctx, &store.MemoShare{
+		UID:       "test-keep-memo-share",
+		MemoID:    otherMemo.ID,
+		CreatorID: user.ID,
+	})
+	require.NoError(t, err)
 	err = ts.DeleteMemo(ctx, &store.DeleteMemo{
 		ID: memo.ID,
 	})
 	require.NoError(t, err)
+	deletedShare, err := ts.GetMemoShare(ctx, &store.FindMemoShare{ID: &share.ID})
+	require.NoError(t, err)
+	require.Nil(t, deletedShare)
+	keptShareAfterDelete, err := ts.GetMemoShare(ctx, &store.FindMemoShare{ID: &keptShare.ID})
+	require.NoError(t, err)
+	require.NotNil(t, keptShareAfterDelete)
 	ts.Close()
 }