diff --git a/app/changelogs/v3.1.25/v3.1.25.md b/app/changelogs/v3.1.25/v3.1.25.md
new file mode 100644
index 000000000..f3aa7e924
--- /dev/null
+++ b/app/changelogs/v3.1.25/v3.1.25.md
@@ -0,0 +1,79 @@
+## Overview
+
+This version improves some details.
+
+## Changelogs
+
+Below are the detailed changes in this version.
+
+### Enhancement
+
+* [Remove zero-width spaces from empty paragraph blocks](https://github.com/siyuan-note/siyuan/issues/12273)
+* [Improve preview style](https://github.com/siyuan-note/siyuan/issues/13451)
+* [Improve marketplace package loading](https://github.com/siyuan-note/siyuan/issues/13950)
+* [Multiple selection cells in the table support copying plain text](https://github.com/siyuan-note/siyuan/issues/14144)
+* [Use html-to-image to replace html2canvs](https://github.com/siyuan-note/siyuan/issues/14161)
+* [Improve width submenu in block menu](https://github.com/siyuan-note/siyuan/issues/14163)
+* [Improve the rendering of the block icon position of the list block](https://github.com/siyuan-note/siyuan/issues/14211)
+* [Font size supports relative settings](https://github.com/siyuan-note/siyuan/issues/14231)
+* [Merge the same elements after find-replace](https://github.com/siyuan-note/siyuan/issues/14236)
+* [Improve outline jump positioning](https://github.com/siyuan-note/siyuan/issues/14245)
+* [Text with appearance after input keeps its appearance](https://github.com/siyuan-note/siyuan/issues/14267)
+* [Pin the floating window after scaling](https://github.com/siyuan-note/siyuan/issues/14278)
+* [Improve reconnection prompt after switching apps on iOS](https://github.com/siyuan-note/siyuan/issues/14279)
+* [The `Export` in the asset menu on the mobile is changed to calling the browser to download](https://github.com/siyuan-note/siyuan/issues/14280)
+* [Improve element menu on mobile](https://github.com/siyuan-note/siyuan/issues/14283)
+* [Improve chart edit rendering](https://github.com/siyuan-note/siyuan/issues/14288)
+* [Improve anchor text escaping when creating a subdoc by reference](https://github.com/siyuan-note/siyuan/issues/14289)
+* [Marketplace search for multiple keywords uses AND logic](https://github.com/siyuan-note/siyuan/issues/14293)
+* [Improve block ref dynamic anchor text to add inline level style](https://github.com/siyuan-note/siyuan/issues/14299)
+* [Block icon are not displayed in certain cases](https://github.com/siyuan-note/siyuan/issues/14304)
+* [The database supports creating new entries after pressing `Tab` at the end of the cell](https://github.com/siyuan-note/siyuan/issues/14305)
+* [Copying a database cell and pasting it into the doc title only pastes plain text](https://github.com/siyuan-note/siyuan/issues/14306)
+* [Improve database multiple selection and relation field cell pop-up editing](https://github.com/siyuan-note/siyuan/issues/14308)
+* [Improve switching of database cells or pop-up options via arrow keys](https://github.com/siyuan-note/siyuan/issues/14309)
+* [Improve browser clipping extension](https://github.com/siyuan-note/siyuan/issues/14316)
+* [Improve database field sorting for content containing emojis](https://github.com/siyuan-note/siyuan/issues/14323)
+* [Improve floating editor content synchronization](https://github.com/siyuan-note/siyuan/issues/14326)
+* [Improve `Move` auto fill search keyword](https://github.com/siyuan-note/siyuan/issues/14337)
+* [Improve Ctrl+X of inline elements](https://github.com/siyuan-note/siyuan/issues/14339)
+* [Support entering the sub-menu by pressing Enter](https://github.com/siyuan-note/siyuan/issues/14343)
+* [Improve `Optimize typography` for inline math](https://github.com/siyuan-note/siyuan/issues/14344)
+* [Supports displaying serving IP on Harmony NEXT](https://github.com/siyuan-note/siyuan/issues/14353)
+* [Improve rollback doc to avoid ID duplication](https://github.com/siyuan-note/siyuan/issues/14358)
+* [Generate file history before converting doc to heading/moving blocks](https://github.com/siyuan-note/siyuan/issues/14359)
+* [Improve pasting formulas from Claude](https://github.com/siyuan-note/siyuan/issues/14360)
+* [Database asset field support keyboard operation](https://github.com/siyuan-note/siyuan/issues/14365)
+* [Improve query embed block auto refresh](https://github.com/siyuan-note/siyuan/issues/14370)
+
+### Abolishment
+
+* [No longer support Android 7](https://github.com/siyuan-note/siyuan/issues/11010)
+* [No longer support iOS 14](https://github.com/siyuan-note/siyuan/issues/14264)
+
+### Bugfix
+
+* [Delete exception at the end of inline element](https://github.com/siyuan-note/siyuan/issues/13881)
+* [Flashcard management will be incorrectly highlighted after global search](https://github.com/siyuan-note/siyuan/issues/13898)
+* [Exception after pasting embed block](https://github.com/siyuan-note/siyuan/issues/14255)
+* [Cannot long press to paste on mobile devices](https://github.com/siyuan-note/siyuan/issues/14277)
+* [Unable to paste specific text copied from WPS](https://github.com/siyuan-note/siyuan/issues/14301)
+* [The URL link customized by the plugin does not work](https://github.com/siyuan-note/siyuan/issues/14314)
+* [Formula blocks in super blocks are not displayed completely when exporting to PDF](https://github.com/siyuan-note/siyuan/issues/14318)
+
+### Refactor
+
+* [Refactor setCurrentById of Outline func scroll policy](https://github.com/siyuan-note/siyuan/pull/14312)
+* [Upgrade to Electron v34.3.3](https://github.com/siyuan-note/siyuan/issues/14322)
+
+### Development
+
+* [Improve kernel API `/api/filetree/getPathByID`](https://github.com/siyuan-note/siyuan/issues/14275)
+* [Plugin API supports opening block attribute panel by block id](https://github.com/siyuan-note/siyuan/issues/14276)
+* [Missing `switch-protyle` or `loaded-protyle-static` Event on Mobile Back Navigation](https://github.com/siyuan-note/siyuan/issues/14296)
+* [Add a kernel API `/api/block/batchUpdateBlock`](https://github.com/siyuan-note/siyuan/issues/14335)
+
+## Download
+
+* [B3log](https://b3log.org/siyuan/en/download.html)
+* [GitHub](https://github.com/siyuan-note/siyuan/releases)
diff --git a/app/changelogs/v3.1.25/v3.1.25_zh_CHT.md b/app/changelogs/v3.1.25/v3.1.25_zh_CHT.md
new file mode 100644
index 000000000..2d7b6a380
--- /dev/null
+++ b/app/changelogs/v3.1.25/v3.1.25_zh_CHT.md
@@ -0,0 +1,79 @@
+## 概述
+
+該版本改進了一些細節。
+
+## 變更記錄
+
+以下是此版本中的詳細變更。
+
+### 改進功能
+
+* [從空白段落區塊中刪除零寬空格](https://github.com/siyuan-note/siyuan/issues/12273)
+* [改良預覽樣式](https://github.com/siyuan-note/siyuan/issues/13451)
+* [改進市集包載入](https://github.com/siyuan-note/siyuan/issues/13950)
+* [支援表格多選儲存格複製純文字](https://github.com/siyuan-note/siyuan/issues/14144)
+* [使用 html-to-image 替換 html2canvas](https://github.com/siyuan-note/siyuan/issues/14161)
+* [改進區塊選單中的寬度子選單](https://github.com/siyuan-note/siyuan/issues/14163)
+* [改進清單區塊的區塊標渲染位置](https://github.com/siyuan-note/siyuan/issues/14211)
+* [字體大小支援相對設定](https://github.com/siyuan-note/siyuan/issues/14231)
+* [尋找替換後合併相同元素](https://github.com/siyuan-note/siyuan/issues/14236)
+* [改進大綱跳轉定位](https://github.com/siyuan-note/siyuan/issues/14245)
+* [輸入後有外觀的文字保持其外觀](https://github.com/siyuan-note/siyuan/issues/14267)
+* [縮放後固定浮動視窗](https://github.com/siyuan-note/siyuan/issues/14278)
+* [在 iOS 上切換應用程式後改進重新連線提示](https://github.com/siyuan-note/siyuan/issues/14279)
+* [行動端資源選單中的「匯出」改為呼叫瀏覽器下載](https://github.com/siyuan-note/siyuan/issues/14280)
+* [改進行動端的元素選單](https://github.com/siyuan-note/siyuan/issues/14283)
+* [改進圖表編輯渲染](https://github.com/siyuan-note/siyuan/issues/14288)
+* [改進建立引用子文件時錨文本轉義](https://github.com/siyuan-note/siyuan/issues/14289)
+* [市集搜尋多個關鍵字使用 AND 邏輯](https://github.com/siyuan-note/siyuan/issues/14293)
+* [改進區塊引用動態錨文本新增行級樣式](https://github.com/siyuan-note/siyuan/issues/14299)
+* [某些情況下不顯示塊標](https://github.com/siyuan-note/siyuan/issues/14304)
+* [資料庫支援在儲存格結尾按 `Tab` 建立新條目](https://github.com/siyuan-note/siyuan/issues/14305)
+* [複製資料庫儲存格並貼上到文件標題中僅貼上純文字](https://github.com/siyuan-note/siyuan/issues/14306)
+* [改進資料庫多重選取和關聯欄位儲存格彈出編輯](https://github.com/siyuan-note/siyuan/issues/14308)
+* [透過箭頭鍵改進資料庫儲存格或彈出選項的切換](https://github.com/siyuan-note/siyuan/issues/14309)
+* [改進瀏覽器剪藏擴充功能](https://github.com/siyuan-note/siyuan/issues/14316)
+* [改進包含表情符號的內容的資料庫欄位排序](https://github.com/siyuan-note/siyuan/issues/14323)
+* [改進浮窗編輯內容同步](https://github.com/siyuan-note/siyuan/issues/14326)
+* [改進「移動」自動填入搜尋關鍵字](https://github.com/siyuan-note/siyuan/issues/14337)
+* [改進行級元素的 Ctrl+X](https://github.com/siyuan-note/siyuan/issues/14339)
+* [支援按回車鍵進入子選單](https://github.com/siyuan-note/siyuan/issues/14343)
+* [改進行級公式的「最佳化排版」](https://github.com/siyuan-note/siyuan/issues/14344)
+* [支援在 Harmony NEXT 上顯示伺服 IP](https://github.com/siyuan-note/siyuan/issues/14353)
+* [改進回溯文件以避免 ID 重複](https://github.com/siyuan-note/siyuan/issues/14358)
+* [在將文件轉換為標題/移動區塊之前產生文件歷史記錄](https://github.com/siyuan-note/siyuan/issues/14359)
+* [改進從 Claude 貼上公式](https://github.com/siyuan-note/siyuan/issues/14360)
+* [資料庫資源欄位支援鍵盤操作](https://github.com/siyuan-note/siyuan/issues/14365)
+* [改進查詢嵌入區塊自動刷新](https://github.com/siyuan-note/siyuan/issues/14370)
+
+### 移除功能
+
+* [不再支援 Android 7](https://github.com/siyuan-note/siyuan/issues/11010)
+* [不再支援 iOS 14](https://github.com/siyuan-note/siyuan/issues/14264)
+
+### 修復缺陷
+
+* [刪除行級元素結尾異常](https://github.com/siyuan-note/siyuan/issues/13881)
+* [全域搜尋後閃卡管理會被錯誤亮起來](https://github.com/siyuan-note/siyuan/issues/13898)
+* [貼上嵌入塊後出現異常](https://github.com/siyuan-note/siyuan/issues/14255)
+* [行動端裝置上無法長按貼上](https://github.com/siyuan-note/siyuan/issues/14277)
+* [無法貼上從 WPS 複製的特定文字](https://github.com/siyuan-note/siyuan/issues/14301)
+* [插件自訂的 URL 連結不起作用](https://github.com/siyuan-note/siyuan/issues/14314)
+* [匯出為 PDF 時超級區塊中的公式區塊未完全顯示](https://github.com/siyuan-note/siyuan/issues/14318)
+
+### 開發重構
+
+* [重構大綱函數 setCurrentById 的滾動策略](https://github.com/siyuan-note/siyuan/pull/14312)
+* [升級至 Electron v34.3.3](https://github.com/siyuan-note/siyuan/issues/14322)
+
+### 開發者
+
+* [改進內核 API `/api/filetree/getPathByID`](https://github.com/siyuan-note/siyuan/issues/14275)
+* [插件 API 支援透過區塊 ID 開啟區塊屬性面板](https://github.com/siyuan-note/siyuan/issues/14276)
+* [行動端返回導覽時缺少 `switch-protyle` 或 `loaded-protyle-static` 事件](https://github.com/siyuan-note/siyuan/issues/14296)
+* [新增內核 API `/api/block/batchUpdateBlock`](https://github.com/siyuan-note/siyuan/issues/14335)
+
+## 下載
+
+* [B3log](https://b3log.org/siyuan/download.html)
+* [GitHub](https://github.com/siyuan-note/siyuan/releases)
diff --git a/app/changelogs/v3.1.25/v3.1.25_zh_CN.md b/app/changelogs/v3.1.25/v3.1.25_zh_CN.md
new file mode 100644
index 000000000..8bad9f9c5
--- /dev/null
+++ b/app/changelogs/v3.1.25/v3.1.25_zh_CN.md
@@ -0,0 +1,79 @@
+## 概述
+
+该版本改进了一些细节。
+
+## 变更记录
+
+以下是此版本中的详细变更。
+
+### 改进功能
+
+* [从空段落块中删除零宽空格](https://github.com/siyuan-note/siyuan/issues/12273)
+* [改进预览样式](https://github.com/siyuan-note/siyuan/issues/13451)
+* [改进集市包加载](https://github.com/siyuan-note/siyuan/issues/13950)
+* [支持表格多选单元格复制纯文本](https://github.com/siyuan-note/siyuan/issues/14144)
+* [使用 html-to-image 替换 html2canvas](https://github.com/siyuan-note/siyuan/issues/14161)
+* [改进块菜单中的宽度子菜单](https://github.com/siyuan-note/siyuan/issues/14163)
+* [改进列表块的块标渲染位置](https://github.com/siyuan-note/siyuan/issues/14211)
+* [字体大小支持相对设置](https://github.com/siyuan-note/siyuan/issues/14231)
+* [查找替换后合并相同元素](https://github.com/siyuan-note/siyuan/issues/14236)
+* [改进大纲跳转定位](https://github.com/siyuan-note/siyuan/issues/14245)
+* [输入后带有外观的文本保持其外观](https://github.com/siyuan-note/siyuan/issues/14267)
+* [缩放后固定浮动窗口](https://github.com/siyuan-note/siyuan/issues/14278)
+* [在 iOS 上切换应用后改进重新连接提示](https://github.com/siyuan-note/siyuan/issues/14279)
+* [移动端资源菜单中的“导出”改为调用浏览器下载](https://github.com/siyuan-note/siyuan/issues/14280)
+* [改进移动端的元素菜单](https://github.com/siyuan-note/siyuan/issues/14283)
+* [改进图表编辑渲染](https://github.com/siyuan-note/siyuan/issues/14288)
+* [改进创建引用子文档时锚文本转义](https://github.com/siyuan-note/siyuan/issues/14289)
+* [集市搜索多个关键字使用 AND 逻辑](https://github.com/siyuan-note/siyuan/issues/14293)
+* [改进块引用动态锚文本添加行级样式](https://github.com/siyuan-note/siyuan/issues/14299)
+* [某些情况下不显示块标](https://github.com/siyuan-note/siyuan/issues/14304)
+* [数据库支持在单元格末尾按 `Tab` 创建新条目](https://github.com/siyuan-note/siyuan/issues/14305)
+* [复制数据库单元格并粘贴到文档标题中仅粘贴纯文本](https://github.com/siyuan-note/siyuan/issues/14306)
+* [改进数据库多选和关联字段单元格弹出编辑](https://github.com/siyuan-note/siyuan/issues/14308)
+* [通过箭头键改进数据库单元格或弹出选项的切换](https://github.com/siyuan-note/siyuan/issues/14309)
+* [改进浏览器剪藏扩展](https://github.com/siyuan-note/siyuan/issues/14316)
+* [改进包含表情符号的内容的数据库字段排序](https://github.com/siyuan-note/siyuan/issues/14323)
+* [改进浮窗编辑器内容同步](https://github.com/siyuan-note/siyuan/issues/14326)
+* [改进“移动”自动填充搜索关键字](https://github.com/siyuan-note/siyuan/issues/14337)
+* [改进行级元素的 Ctrl+X](https://github.com/siyuan-note/siyuan/issues/14339)
+* [支持按回车键进入子菜单](https://github.com/siyuan-note/siyuan/issues/14343)
+* [改进行级公式的“优化排版”](https://github.com/siyuan-note/siyuan/issues/14344)
+* [支持在 Harmony NEXT 上显示伺服 IP](https://github.com/siyuan-note/siyuan/issues/14353)
+* [改进回滚文档以避免 ID 重复](https://github.com/siyuan-note/siyuan/issues/14358)
+* [在将文档转换为标题/移动块之前生成文件历史记录](https://github.com/siyuan-note/siyuan/issues/14359)
+* [改进从 Claude 粘贴公式](https://github.com/siyuan-note/siyuan/issues/14360)
+* [数据库资源字段支持键盘操作](https://github.com/siyuan-note/siyuan/issues/14365)
+* [改进查询嵌入块自动刷新](https://github.com/siyuan-note/siyuan/issues/14370)
+
+### 移除功能
+
+* [不再支持 Android 7](https://github.com/siyuan-note/siyuan/issues/11010)
+* [不再支持 iOS 14](https://github.com/siyuan-note/siyuan/issues/14264)
+
+### 修复缺陷
+
+* [删除行级元素末尾异常](https://github.com/siyuan-note/siyuan/issues/13881)
+* [全局搜索后闪卡管理会被错误高亮](https://github.com/siyuan-note/siyuan/issues/13898)
+* [粘贴嵌入块后出现异常](https://github.com/siyuan-note/siyuan/issues/14255)
+* [移动端设备上无法长按粘贴](https://github.com/siyuan-note/siyuan/issues/14277)
+* [无法粘贴从 WPS 复制的特定文本](https://github.com/siyuan-note/siyuan/issues/14301)
+* [插件自定义的 URL 链接不起作用](https://github.com/siyuan-note/siyuan/issues/14314)
+* [导出为 PDF 时超级块中的公式块未完全显示](https://github.com/siyuan-note/siyuan/issues/14318)
+
+### 开发重构
+
+* [重构大纲函数 setCurrentById 的滚动策略](https://github.com/siyuan-note/siyuan/pull/14312)
+* [升级到 Electron v34.3.3](https://github.com/siyuan-note/siyuan/issues/14322)
+
+### 开发者
+
+* [改进内核 API `/api/filetree/getPathByID`](https://github.com/siyuan-note/siyuan/issues/14275)
+* [插件 API 支持通过块 ID 打开块属性面板](https://github.com/siyuan-note/siyuan/issues/14276)
+* [移动端返回导航时缺少 `switch-protyle` 或 `loaded-protyle-static` 事件](https://github.com/siyuan-note/siyuan/issues/14296)
+* [添加内核 API `/api/block/batchUpdateBlock`](https://github.com/siyuan-note/siyuan/issues/14335)
+
+## 下载
+
+* [B3log](https://b3log.org/siyuan/download.html)
+* [GitHub](https://github.com/siyuan-note/siyuan/releases)
diff --git a/kernel/api/block.go b/kernel/api/block.go
index e0f776a54..3948d4c67 100644
--- a/kernel/api/block.go
+++ b/kernel/api/block.go
@@ -31,6 +31,25 @@ import (
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
+func checkBlockRef(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	idsArg := arg["ids"].([]interface{})
+	var ids []string
+	for _, id := range idsArg {
+		ids = append(ids, id.(string))
+	}
+	ids = gulu.Str.RemoveDuplicatedElem(ids)
+
+	ret.Data = model.CheckBlockRef(ids)
+}
+
 func getBlockTreeInfos(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
diff --git a/kernel/api/router.go b/kernel/api/router.go
index 142e5ed3c..f4788bf91 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -214,6 +214,7 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/block/transferBlockRef", model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, transferBlockRef)
 	ginServer.Handle("POST", "/api/block/getBlockSiblingID", model.CheckAuth, getBlockSiblingID)
 	ginServer.Handle("POST", "/api/block/getBlockTreeInfos", model.CheckAuth, getBlockTreeInfos)
+	ginServer.Handle("POST", "/api/block/checkBlockRef", model.CheckAuth, checkBlockRef)
 
 	ginServer.Handle("POST", "/api/file/getFile", model.CheckAuth, getFile)
 	ginServer.Handle("POST", "/api/file/putFile", model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, putFile)
diff --git a/kernel/model/block.go b/kernel/model/block.go
index 432ce4a2a..aec7721f4 100644
--- a/kernel/model/block.go
+++ b/kernel/model/block.go
@@ -23,6 +23,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/88250/gulu"
 	"github.com/88250/lute/ast"
 	"github.com/88250/lute/parse"
 	"github.com/88250/lute/render"
@@ -76,21 +77,6 @@ type RiffCard struct {
 	LastReview time.Time  `json:"lastReview"`
 }
 
-func getRiffCard(card *fsrs.Card) *RiffCard {
-	due := card.Due
-	if due.IsZero() {
-		due = time.Now()
-	}
-
-	return &RiffCard{
-		Due:        due,
-		Reps:       card.Reps,
-		Lapses:     card.Lapses,
-		State:      card.State,
-		LastReview: card.LastReview,
-	}
-}
-
 func (block *Block) IsContainerBlock() bool {
 	switch block.Type {
 	case "NodeDocument", "NodeBlockquote", "NodeList", "NodeListItem", "NodeSuperBlock":
@@ -120,6 +106,46 @@ type Path struct {
 	Created string `json:"created"` // 创建时间
 }
 
+func CheckBlockRef(ids []string) bool {
+	bts := treenode.GetBlockTrees(ids)
+
+	var rootIDs, blockIDs []string
+	for _, bt := range bts {
+		if "d" == bt.Type {
+			rootIDs = append(rootIDs, bt.ID)
+		} else {
+			blockIDs = append(blockIDs, bt.ID)
+		}
+	}
+	rootIDs = gulu.Str.RemoveDuplicatedElem(rootIDs)
+	blockIDs = gulu.Str.RemoveDuplicatedElem(blockIDs)
+
+	existRef := func(refCounts map[string]int) bool {
+		for _, refCount := range refCounts {
+			if 0 < refCount {
+				return true
+			}
+		}
+		return false
+	}
+
+	for _, rootID := range rootIDs {
+		refCounts := sql.QueryRootChildrenRefCount(rootID)
+		if existRef(refCounts) {
+			return true
+		}
+	}
+
+	refCounts := sql.QueryRefCount(blockIDs)
+	if existRef(refCounts) {
+		return true
+	}
+
+	// TODO 还需要考虑容器块的子块引用计数 https://github.com/siyuan-note/siyuan/issues/13396
+
+	return false
+}
+
 type BlockTreeInfo struct {
 	ID           string `json:"id"`
 	Type         string `json:"type"`
diff --git a/kernel/model/flashcard.go b/kernel/model/flashcard.go
index 38f7b3c01..471788f94 100644
--- a/kernel/model/flashcard.go
+++ b/kernel/model/flashcard.go
@@ -29,6 +29,7 @@ import (
 	"github.com/88250/gulu"
 	"github.com/88250/lute/ast"
 	"github.com/88250/lute/parse"
+	"github.com/open-spaced-repetition/go-fsrs/v3"
 	"github.com/siyuan-note/filelock"
 	"github.com/siyuan-note/logging"
 	"github.com/siyuan-note/riff"
@@ -434,6 +435,21 @@ func getCardsBlocks(cards []riff.Card, page, pageSize int) (blocks []*Block, tot
 	return
 }
 
+func getRiffCard(card *fsrs.Card) *RiffCard {
+	due := card.Due
+	if due.IsZero() {
+		due = time.Now()
+	}
+
+	return &RiffCard{
+		Due:        due,
+		Reps:       card.Reps,
+		Lapses:     card.Lapses,
+		State:      card.State,
+		LastReview: card.LastReview,
+	}
+}
+
 var (
 	// reviewCardCache <cardID, card> 用于复习时缓存卡片，以便支持撤销。
 	reviewCardCache = map[string]riff.Card{}
diff --git a/kernel/model/push_reload.go b/kernel/model/push_reload.go
index 8969018a4..93b67637a 100644
--- a/kernel/model/push_reload.go
+++ b/kernel/model/push_reload.go
@@ -236,12 +236,6 @@ func refreshDynamicRefTexts(updatedDefNodes map[string]*ast.Node, updatedTrees m
 					switch defNode.refType {
 					case "ref-d":
 						task.AppendAsyncTaskWithDelay(task.SetRefDynamicText, 200*time.Millisecond, util.PushSetRefDynamicText, refTreeID, n.ID, defNode.id, defNode.refText)
-					case "embed":
-						go func() {
-							time.Sleep(100 * time.Millisecond)
-							sql.FlushQueue()
-							task.AppendAsyncTaskWithDelay(task.ReloadEmbedBlock, 200*time.Millisecond, util.PushReloadEmbedBlock, refTreeID, n.ID)
-						}()
 					}
 				}
 				return ast.WalkContinue
diff --git a/kernel/task/queue.go b/kernel/task/queue.go
index 13fe7ad02..184275b9d 100644
--- a/kernel/task/queue.go
+++ b/kernel/task/queue.go
@@ -138,7 +138,6 @@ const (
 	ReloadProtyle                   = "task.reload.protyle"                // 重新加载编辑器
 	SetRefDynamicText               = "task.ref.setDynamicText"            // 设置引用的动态锚文本
 	SetDefRefCount                  = "task.def.setRefCount"               // 设置定义的引用计数
-	ReloadEmbedBlock                = "task.ref.reloadEmbedBlock"          // 重新加载嵌入块
 	UpdateIDs                       = "task.update.ids"                    // 更新 ID
 	PushMsg                         = "task.push.msg"                      // 推送消息
 )
@@ -159,7 +158,6 @@ var uniqueActions = []string{
 	ReloadProtyle,
 	SetRefDynamicText,
 	SetDefRefCount,
-	ReloadEmbedBlock,
 	UpdateIDs,
 }
 
diff --git a/kernel/util/websocket.go b/kernel/util/websocket.go
index e5da158be..954c427ed 100644
--- a/kernel/util/websocket.go
+++ b/kernel/util/websocket.go
@@ -275,10 +275,6 @@ func PushSetDefRefCount(rootID, blockID string, defIDs []string, refCount, rootR
 	BroadcastByType("main", "setDefRefCount", 0, "", map[string]interface{}{"rootID": rootID, "blockID": blockID, "refCount": refCount, "rootRefCount": rootRefCount, "defIDs": defIDs})
 }
 
-func PushReloadEmbedBlock(rootID, embedBlockID string) {
-	BroadcastByType("main", "reloadEmbedBlock", 0, "", map[string]interface{}{"rootID": rootID, "embedBlockID": embedBlockID})
-}
-
 func PushProtyleLoading(rootID, msg string) {
 	BroadcastByType("protyle", "addLoading", 0, msg, rootID)
 }