feat(目录压缩): 规范目录导航，优化压缩写出

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/tdewolff/font v0.0.0-20260913163313-54f98bb59ee6
 	github.com/xiaoqidun/j2kgo v0.0.0-20261009063910-4865a21ef893
 	github.com/xiaoqidun/jbig2 v1.1.3
-	github.com/xiaoqidun/pdfgo v0.0.0-20261009094649-718bb9e8a149
+	github.com/xiaoqidun/pdfgo v0.0.0-20261009121346-abd17a2aa440
 	golang.org/x/crypto v0.57.0
 	golang.org/x/image v0.46.0
 	golang.org/x/text v0.42.0