diff --git a/assets/webui/index.html b/assets/webui/index.html
index aaa4603..9ce698c 100644
--- a/assets/webui/index.html
+++ b/assets/webui/index.html
@@ -57,7 +57,7 @@
 					<option value="300" selected>300 dpi</option>
 					<option value="600">600 dpi</option>
 				</select><span id="dpiValue" aria-hidden="true">300</span></label>
-				<label class="toolbar-select"><select id="outputCompression" class="format-select" title="压缩" aria-label="压缩" disabled><option value="0">默认</option><option value="1">无损</option><option value="2">轻压</option><option value="3">中压</option><option value="4">强压</option></select><span id="compressionValue" data-short="默" aria-hidden="true">默认</span></label>
+				<label class="toolbar-select"><select id="outputCompression" class="format-select" title="压缩" aria-label="压缩" disabled><option value="0">默认</option><option value="1">无损</option><option value="2">轻压</option><option value="3">均衡</option><option value="4">强压</option></select><span id="compressionValue" data-short="默" aria-hidden="true">默认</span></label>
 				<button id="exportPageButton" class="button" type="button" data-short="单" title="导出单页" aria-label="导出单页" disabled>单页</button>
 				<button id="exportButton" class="button" type="button" data-short="多" title="导出文档" aria-label="导出文档" aria-haspopup="dialog" aria-controls="exportPanel" disabled>文档</button>
 			</div>
@@ -184,7 +184,7 @@
 					<button id="convertAdd" class="button" type="button">添加</button><button id="convertClear" class="button" type="button">清空</button>
 					<div class="convert-options">
 						<div class="form-row"><label for="convertFormat">格式</label><select id="convertFormat" required></select></div>
-						<div class="form-row"><label for="convertCompression">压缩</label><select id="convertCompression"><option value="0">默认</option><option value="1">无损</option><option value="2">轻压</option><option value="3">中压</option><option value="4">强压</option></select></div>
+						<div class="form-row"><label for="convertCompression">压缩</label><select id="convertCompression"><option value="0">默认</option><option value="1">无损</option><option value="2">轻压</option><option value="3">均衡</option><option value="4">强压</option></select></div>
 						<div id="convertDPIRow" class="form-row" hidden><label for="convertDPI">精度</label><select id="convertDPI"><option value="96">96 dpi</option><option value="150">150 dpi</option><option value="300" selected>300 dpi</option><option value="600">600 dpi</option></select></div>
 						<div class="form-row"><label for="convertDestination">保存</label><select id="convertDestination"><option value="directory">目录</option><option value="archive">打包</option></select></div>
 					</div>
diff --git a/assets/webui/ofdgo.js b/assets/webui/ofdgo.js
index cd6b6dc..0b4aeb1 100644
--- a/assets/webui/ofdgo.js
+++ b/assets/webui/ofdgo.js
@@ -1254,7 +1254,7 @@ document.addEventListener("selectionchange", syncSelection);
 el.exportFormat.addEventListener("change", () => updateDPIControl());
 el.outputCompression.addEventListener("change", () => {
 	el.compressionValue.textContent = el.outputCompression.selectedOptions[0].textContent;
-	el.compressionValue.dataset.short = ["默", "无", "轻", "中", "强"][Number(el.outputCompression.value)];
+	el.compressionValue.dataset.short = ["默", "无", "轻", "均", "强"][Number(el.outputCompression.value)];
 });
 el.exportPageButton.addEventListener("click", () => exportFile(false));
 el.exportButton.addEventListener("click", () => openExportPanel());
diff --git a/go.mod b/go.mod
index 2530145..927f393 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/tdewolff/canvas v0.0.0-20260923214215-09804640d00c
 	github.com/tdewolff/font v0.0.0-20260913163313-54f98bb59ee6
 	github.com/xiaoqidun/jbig2 v1.1.1
-	github.com/xiaoqidun/pdfgo v0.0.0-20260929132513-f5d1ff8ce60a
+	github.com/xiaoqidun/pdfgo v0.0.0-20260929133432-1988ce19768e
 	golang.org/x/crypto v0.57.0
 	golang.org/x/image v0.46.0
 	golang.org/x/text v0.42.0
diff --git a/go.sum b/go.sum
index fb349bf..2464a63 100644
--- a/go.sum
+++ b/go.sum
@@ -62,8 +62,8 @@ github.com/tdewolff/test v1.0.12 h1:7F21DqIajswxuche0geHdrUZRCWE4oko4b7bcmkkrxk=
 github.com/tdewolff/test v1.0.12/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
 github.com/xiaoqidun/jbig2 v1.1.1 h1:SjliS9ZO0e9HX5oYUfBuXrfFsXhWricrSz+XY4zORDI=
 github.com/xiaoqidun/jbig2 v1.1.1/go.mod h1:8QonVWtENmh2kc6l+leqeGl7psb79DWlHDkCpdChjfQ=
-github.com/xiaoqidun/pdfgo v0.0.0-20260929132513-f5d1ff8ce60a h1:+zzZs2zRkhs+HAX70k2ATDbmvEvV4feEJNavl7NCu80=
-github.com/xiaoqidun/pdfgo v0.0.0-20260929132513-f5d1ff8ce60a/go.mod h1:4Pf0JO0BEf1uzRY+uZjlMjN/OPn3PYa0YMi6cqPPTLQ=
+github.com/xiaoqidun/pdfgo v0.0.0-20260929133432-1988ce19768e h1:mO1e6Z6RgCrTdPOO7zH1w1oUmSLFRBMijkOCQAlqit4=
+github.com/xiaoqidun/pdfgo v0.0.0-20260929133432-1988ce19768e/go.mod h1:4Pf0JO0BEf1uzRY+uZjlMjN/OPn3PYa0YMi6cqPPTLQ=
 github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
 github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
 github.com/yuin/goldmark v1.8.5 h1:r6N5afV5qj/5S4UTch8agZHJ8UxNCMwX7WjkkJam2NA=
diff --git a/ofdgo_compression.go b/ofdgo_compression.go
index 322bb48..438e9ca 100644
--- a/ofdgo_compression.go
+++ b/ofdgo_compression.go
@@ -43,7 +43,7 @@ const (
 // CompressionMode 选择默认、无损或有损输出策略
 type CompressionMode = pdfgo.CompressionMode
 
-// CompressionLevel 选择轻压、中压或强压，仅用于有损模式
+// CompressionLevel 选择轻压、均衡或强压，仅用于有损模式
 type CompressionLevel = pdfgo.CompressionLevel
 
 // CompressionOptions 配置输出压缩，默认模式沿用现有输出策略，不额外优化