diff --git a/assets/webui/index.html b/assets/webui/index.html
index 3699970..a683b8a 100644
--- a/assets/webui/index.html
+++ b/assets/webui/index.html
@@ -41,11 +41,11 @@
 				<button id="rotateButton" class="button" type="button" data-short="转" title="顺时针旋转90°" aria-label="旋转" disabled>旋转</button>
 				<button id="panButton" class="button" type="button" data-short="拖" title="拖动页面" aria-label="拖动" aria-pressed="false" disabled>拖动</button>
 				<button id="continuousButton" class="button" type="button" data-short="连" title="连续显示" aria-label="连续显示" aria-pressed="false" disabled>连续</button>
-				<button id="annotationButton" class="button" type="button" data-short="注" title="关闭注解" aria-label="关闭注解" aria-pressed="true">注解</button>
+				<button id="annotationButton" class="button" type="button" data-short="注" title="隐藏注解" aria-label="隐藏注解" aria-pressed="true">注解</button>
 			</div>
 			<div class="tool-group">
 				<select id="exportFormat" class="format-select" title="导出格式" aria-label="导出格式" disabled></select>
-				<select id="imageDPI" class="format-select dpi-select" title="图片 DPI" aria-label="图片 DPI" disabled>
+				<select id="imageDPI" class="format-select dpi-select" title="图片DPI" aria-label="图片DPI" disabled>
 					<option value="96">96</option>
 					<option value="150">150</option>
 					<option value="300" selected>300</option>
@@ -57,7 +57,7 @@
 		</header>
 		<div id="editorTools" class="editor-toolbar" role="toolbar" aria-label="编辑工具" hidden>
 			<div class="editor-group editor-file">
-				<button id="saveButton" class="button" type="button" title="另存为OFD" aria-label="保存OFD" aria-keyshortcuts="Control+S Meta+S">保存</button>
+				<button id="saveButton" class="button" type="button" title="另存为OFD" aria-label="另存为OFD" aria-keyshortcuts="Control+S Meta+S">保存</button>
 				<button id="undoButton" class="button" type="button" disabled>撤销</button>
 				<button id="redoButton" class="button" type="button" disabled>重做</button>
 				<span>文件</span>
@@ -368,7 +368,7 @@
 			</aside>
 
 			<section class="viewer-panel" tabindex="0" aria-label="阅读区">
-				<div id="emptyState" class="empty-state">选择 OFD 文件</div>
+				<div id="emptyState" class="empty-state">选择OFD文件</div>
 				<div id="progressPanel" class="progress-panel" role="status" aria-live="polite" hidden>
 					<div class="progress-spinner"></div>
 					<div id="progressLabel" class="progress-label">加载中</div>
@@ -452,7 +452,7 @@
 				</section>
 				<section class="doc-font-panel" aria-labelledby="docFontPanelTitle">
 					<div class="panel-row">
-						<div id="docFontPanelTitle" class="panel-title compact">OFD 字体</div>
+						<div id="docFontPanelTitle" class="panel-title compact">文档字体</div>
 						<span id="docFontSummary" class="count-pill">0</span>
 					</div>
 					<div id="docFontList" class="doc-font-list"></div>
diff --git a/assets/webui/ofdgo.css b/assets/webui/ofdgo.css
index 47ce601..4ab1718 100644
--- a/assets/webui/ofdgo.css
+++ b/assets/webui/ofdgo.css
@@ -798,6 +798,10 @@ button:not(:disabled):hover {
 	gap: 8px;
 }
 
+.form-actions > button:only-child {
+	grid-column: -2;
+}
+
 .form-actions button[type="submit"] {
 	border-color: var(--accent);
 	background: var(--accent);
@@ -1795,6 +1799,7 @@ button.outline-link:hover {
 .annotation-detail {
 	display: grid;
 	gap: 8px;
+	margin-bottom: 12px;
 	white-space: pre-wrap;
 	overflow-wrap: anywhere;
 }
diff --git a/assets/webui/ofdgo.js b/assets/webui/ofdgo.js
index 027d270..83f6091 100644
--- a/assets/webui/ofdgo.js
+++ b/assets/webui/ofdgo.js
@@ -8,7 +8,7 @@ const PAGE_CACHE_LIMIT = 16;
 const PAGE_CACHE_BYTES = 32 * 1024 * 1024;
 const OBJECT_CLIPBOARD_TYPE = "application/x-ofdgo-objects";
 const STATUS = {
-	ready: "选择 OFD 文件",
+	ready: "选择OFD文件",
 	opening: "正在打开文档",
 	engine: "正在准备引擎",
 	recovering: "正在恢复引擎",
@@ -1171,7 +1171,7 @@ async function loadImportFile() {
 			return;
 		}
 		state.importPageCount = info?.pageCount || 0;
-		el.importPages.title = state.importPageCount ? `页码 1-${state.importPageCount}` : "页码";
+		el.importPages.title = state.importPageCount ? `页码1-${state.importPageCount}` : "页码";
 		el.importStatus.textContent = info?.signed ? "保留签章外观，原签名不再有效" : "";
 		el.importSubmit.disabled = !state.importPageCount;
 	} catch (err) {
@@ -1306,7 +1306,7 @@ async function toggleEditor() {
 
 function confirmTextReflow(item) {
 	return canEditObject(item, "reflow") && (canEditObject(item, "layoutKnown")
-		|| window.confirm("原文排版未知，此操作将重新排版。继续？"));
+		|| window.confirm("此操作将重新排版原文，继续？"));
 }
 
 function openCreatePanel() {
@@ -2177,7 +2177,7 @@ async function boot() {
 		}
 		setProgress("引擎准备完成", 70);
 		await loadExportFormats();
-		setEmpty("选择 OFD 文件");
+		setEmpty(STATUS.ready);
 		updateFontSummary();
 		renderFontList();
 		updateControls();
@@ -2405,7 +2405,7 @@ async function loadWASM() {
 						} else if (data.completed === data.total) {
 							setProgress("正在收尾", null);
 						} else {
-							setProgress(`正在导出 ${data.completed} / ${data.total} 页`, data.completed / data.total * 100);
+							setProgress(`正在导出${data.completed}/${data.total}页`, data.completed / data.total * 100);
 						}
 					}
 				}
@@ -2499,7 +2499,7 @@ async function openOFD(file) {
 	}
 	if (!isOFDFile(file)) {
 		el.ofdInput.value = "";
-		showError(new Error("选择 OFD 文件"), !state.doc);
+		showError(new Error(STATUS.ready), !state.doc);
 		return;
 	}
 	if (!discardChanges()) {
@@ -2570,7 +2570,7 @@ async function openSelectedFonts(event) {
 	try {
 		const fonts = [];
 		for (let i = 0; i < files.length; i += 1) {
-			setProgress(`正在读取字体 ${i + 1} / ${files.length}`, 10 + Math.round(i / files.length * 60));
+			setProgress(`正在读取字体${i + 1}/${files.length}`, 10 + Math.round(i / files.length * 60));
 			const file = files[i];
 			fonts.push(fontManager.record(file.name, new Uint8Array(await file.arrayBuffer()), "upload"));
 		}
@@ -2679,7 +2679,7 @@ async function loadDocumentLocalFonts(available, openSeq = state.openSeq) {
 	const emptyStatus = available.length === 0 ? "暂无系统字体" : "暂无匹配字体";
 	const fonts = [];
 	for (let i = 0; i < selected.length; i += 1) {
-		setProgress(`正在读取字体 ${i + 1} / ${selected.length}`, 20 + Math.round(i / selected.length * 60));
+		setProgress(`正在读取字体${i + 1}/${selected.length}`, 20 + Math.round(i / selected.length * 60));
 		const item = selected[i];
 		const data = await fontManager.read(item);
 		if (openSeq !== state.openSeq) {
@@ -3225,7 +3225,7 @@ async function exportFile(whole, indices = null, value = el.exportFormat.value)
 	const dpi = exportFormatUsesDPI(format.value) ? currentImageDPI() : 0;
 	state.exporting = true;
 	updateControls();
-	setBusy(true, `正在生成 ${label}`, null, whole ? STATUS.exporting : STATUS.pageExporting);
+	setBusy(true, `正在生成${label}`, null, whole ? STATUS.exporting : STATUS.pageExporting);
 	try {
 		const file = window.showSaveFilePicker ? await window.showSaveFilePicker({
 			suggestedName: fileName,
@@ -3240,7 +3240,7 @@ async function exportFile(whole, indices = null, value = el.exportFormat.value)
 			if (!await canvasEditor.commitText()) return;
 			if (!await canvasEditor.commitCrop()) return;
 			openSeq = state.openSeq;
-			setBusy(true, `正在生成 ${label}`, null, whole ? STATUS.exporting : STATUS.pageExporting);
+			setBusy(true, `正在生成${label}`, null, whole ? STATUS.exporting : STATUS.pageExporting);
 		}
 		const result = saving ? await callWASM("ofdgoSaveDocument", indices, file) : whole
 			? await callWASM("ofdgoExportDocument", format.value, dpi, indices, file)
@@ -3311,7 +3311,7 @@ function renderPageFlow() {
 
 		const placeholder = document.createElement("div");
 		placeholder.className = "page-placeholder";
-		placeholder.textContent = `第 ${page.index + 1} 页`;
+		placeholder.textContent = `第${page.index + 1}页`;
 
 		shell.append(surface, placeholder);
 		fragment.append(shell);
@@ -3770,7 +3770,7 @@ async function selectDocumentText() {
 	const count = state.doc.pageCount;
 	try {
 		for (let index = 0; index < count; index += 1) {
-			setStatus(`正在全选 ${index + 1} / ${count} 页`);
+			setStatus(`正在全选${index + 1}/${count}页`);
 			const text = await callWASM("ofdgoPageTextString", index);
 			if (!active()) {
 				return;
@@ -3857,7 +3857,7 @@ async function pasteEditorContent(event) {
 	if (token) {
 		const clipboard = state.objectClipboard;
 		if (!clipboard || token !== clipboard.token) {
-			setStatus("复制内容已失效，请重新复制");
+			setStatus("内容已失效，请重新复制");
 			return;
 		}
 		const openSeq = state.openSeq;
@@ -4274,7 +4274,7 @@ async function searchDocument() {
 			if (seq !== state.searchSeq || openSeq !== state.openSeq) {
 				return;
 			}
-			el.searchStatus.textContent = `正在搜索 ${page + 1} / ${pageCount} 页`;
+			el.searchStatus.textContent = `正在搜索${page + 1}/${pageCount}页`;
 			if (!matches?.length) {
 				continue;
 			}
@@ -4316,7 +4316,7 @@ function renderSearchResults() {
 		button.dataset.matchIndex = String(i);
 		const page = document.createElement("span");
 		page.className = "search-page";
-		page.textContent = `第 ${match.page + 1} 页`;
+		page.textContent = `第${match.page + 1}页`;
 		const text = document.createElement("span");
 		const mark = document.createElement("mark");
 		mark.textContent = match.text;
@@ -4434,7 +4434,7 @@ function createOutlineList(outlines, path = []) {
 			const page = document.createElement("span");
 			page.className = "outline-page";
 			page.textContent = String(outline.page);
-			page.setAttribute("aria-label", `第 ${outline.page} 页`);
+			page.setAttribute("aria-label", `第${outline.page}页`);
 			link.append(page);
 		}
 		if (outline.page || state.editing) {
@@ -4628,7 +4628,7 @@ function renderPageList() {
 		button.type = "button";
 		button.className = "page-list-item";
 		button.dataset.pageIndex = String(page.index);
-		button.title = `${formatSize(page.width)} x ${formatSize(page.height)} mm`;
+		button.title = `${formatSize(page.width)}×${formatSize(page.height)}mm`;
 		setPageItemCurrent(button, page.index === state.pageIndex);
 		layoutThumbnail(button, page);
 
@@ -4639,11 +4639,11 @@ function renderPageList() {
 
 		const label = document.createElement("span");
 		label.className = "thumb-label";
-		label.textContent = `第 ${page.index + 1} 页`;
+		label.textContent = `第${page.index + 1}页`;
 
 		const size = document.createElement("span");
 		size.className = "thumb-size";
-		size.textContent = `${formatSize(page.width)} x ${formatSize(page.height)} mm`;
+		size.textContent = button.title;
 
 		button.append(thumb, label, size);
 		if (state.editing && pageCan("move", page.index)) enablePageDrag(button, page.index);
@@ -4949,8 +4949,8 @@ function renderAttachments() {
 		const item = document.createElement("button");
 		item.type = "button";
 		item.className = "attachment-item";
-		item.title = `下载 ${attachment.fileName}`;
-		item.setAttribute("aria-label", `下载 ${attachment.name}`);
+		item.title = `下载：${attachment.fileName}`;
+		item.setAttribute("aria-label", `下载：${attachment.name}`);
 		const name = document.createElement("span");
 		name.className = "attachment-name";
 		name.textContent = attachment.name;
@@ -5043,12 +5043,12 @@ function signatureSummary(signatures) {
 	const unchecked = signatures.filter((signature) => signature.status === "unchecked").length;
 	const parts = [String(signatures.length)];
 	if (invalid) {
-		parts.push(`异常 ${invalid}`);
+		parts.push(`异常${invalid}`);
 	}
 	if (unchecked) {
-		parts.push(`未验 ${unchecked}`);
+		parts.push(`未验${unchecked}`);
 	}
-	return parts.length > 1 ? parts.join(" · ") : `通过 ${signatures.length}`;
+	return parts.length > 1 ? parts.join(" · ") : `通过${signatures.length}`;
 }
 
 function signatureNameNode(signature) {
@@ -5099,7 +5099,7 @@ function signatureReferenceText(signature) {
 		return "";
 	}
 	const status = signatureReferenceStatus(signature);
-	return `${status === "ok" ? "通过" : status === "fail" ? "失败" : "未验"} ${passed} / ${count}`;
+	return `${status === "ok" ? "通过" : status === "fail" ? "失败" : "未验"}${passed}/${count}`;
 }
 
 function signatureReferenceStatus(signature) {
@@ -5290,13 +5290,13 @@ function fontSummary(fonts) {
 	const missing = fonts.filter((font) => font.status === "missing").length;
 	const fallback = fonts.filter((font) => font.status === "fallback").length;
 	if (missing || fallback) {
-		return `${fonts.length} · 缺失 ${missing} · 回退 ${fallback}`;
+		return [String(fonts.length), missing ? `缺失${missing}` : "", fallback ? `回退${fallback}` : ""].filter(Boolean).join(" · ");
 	}
-	return `共 ${fonts.length}`;
+	return `共${fonts.length}`;
 }
 
 function pageStatus(index, pageCount) {
-	return `第 ${index + 1} / ${pageCount} 页`;
+	return `第${index + 1}/${pageCount}页`;
 }
 
 function statusText(status) {
@@ -5317,11 +5317,11 @@ function statusText(status) {
 function fontResult(font) {
 	const parts = [];
 	if (font.matched) {
-		parts.push(font.embedded || font.status === "embedded" ? `内嵌 ${font.matched}` : `匹配 ${font.matched}`);
+		parts.push(font.embedded || font.status === "embedded" ? `内嵌：${font.matched}` : `匹配：${font.matched}`);
 	}
 	if (font.matchedFace?.fullName) {
 		parts.push(font.matchedFace.fullName);
-		if (font.matchedFace.index > 0) parts.push(`索引 ${font.matchedFace.index}`);
+		if (font.matchedFace.index > 0) parts.push(`索引${font.matchedFace.index}`);
 	}
 	if (font.detail) {
 		parts.push(font.detail);
@@ -5332,10 +5332,10 @@ function fontResult(font) {
 function fontMeta(font) {
 	const parts = [];
 	if (font.familyName && font.familyName !== font.fontName) {
-		parts.push(`字族 ${font.familyName}`);
+		parts.push(`字族：${font.familyName}`);
 	}
 	if (font.charset) {
-		parts.push(`字集 ${font.charset}`);
+		parts.push(`字集：${font.charset}`);
 	}
 	return parts.join(" · ");
 }
@@ -5528,7 +5528,7 @@ function setScale(nextScale, updateStatus = true, fitMode = "free") {
 	}
 	el.zoomLabel.textContent = `${Math.round(state.scale * 100)}%`;
 	if (updateStatus && state.doc && !state.exporting) {
-		setStatus(`第 ${state.pageIndex + 1} / ${state.doc.pageCount} 页`);
+		setStatus(pageStatus(state.pageIndex, state.doc.pageCount));
 	}
 	updateControls();
 }
@@ -5688,6 +5688,9 @@ function updateObjectControls(item, reset = false) {
 	el.objectDistribute.disabled = el.objectAlign.disabled || !item.items || item.items.length < 3;
 	el.editObjectButton.disabled = disabled || Boolean(item.items) || !canEditObject(item, "enter") && (item.type === "PathObject"
 		|| !canEditObject(item, item.type === "TextObject" ? "reflow" : item.type === "ImageObject" ? "replaceImage" : "update"));
+	el.editObjectButton.textContent = canEditObject(item, "enter") ? "进入" : item?.type === "ImageObject" ? "替换" : "修改";
+	el.editObjectButton.title = canEditObject(item, "enter") ? "进入组合" : item?.type === "ImageObject" ? "替换图片" : "修改对象";
+	el.editObjectButton.setAttribute("aria-label", el.editObjectButton.title);
 	el.multiSelectButton.disabled = !state.editing || !canvasEditor.enabled || !state.ready || state.exporting;
 	const selection = selectedText(item);
 	const text = selection ? currentTextStyle() : state.textDefaults;
@@ -5753,7 +5756,7 @@ function updateObjectControls(item, reset = false) {
 
 function updateAnnotationButton() {
 	el.annotationButton.setAttribute("aria-pressed", String(state.renderAnnotations));
-	el.annotationButton.title = state.renderAnnotations ? "关闭注解" : "开启注解";
+	el.annotationButton.title = state.renderAnnotations ? "隐藏注解" : "显示注解";
 	el.annotationButton.setAttribute("aria-label", el.annotationButton.title);
 }
 
@@ -5904,12 +5907,12 @@ function currentImageDPI() {
 
 function formatBytes(size) {
 	if (!Number.isFinite(size) || size <= 0) {
-		return "0 KB";
+		return "0KB";
 	}
 	if (size < 1024 * 1024) {
-		return `${Math.round(size / 1024)} KB`;
+		return `${Math.round(size / 1024)}KB`;
 	}
-	return `${(size / 1024 / 1024).toFixed(1)} MB`;
+	return `${(size / 1024 / 1024).toFixed(1)}MB`;
 }
 
 function nextFrame() {