diff --git a/Makefile b/Makefile
index 825e0d8..dcaee15 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,7 @@ all: html $(FORMATS)
 
 html:
 	gitbook build . $(TARGET)_html
+	tar -zcf $(TARGET)_html.tar.gz ./$(TARGET)_html/
 
 $(FORMATS):
 	gitbook $@ . $(TARGET).$@
@@ -18,4 +19,4 @@ format:
 	@prettier -wu $(shell find * -type f -name '*.md')
 
 clean:
-	rm -rf $(TARGET)_html $(addprefix $(TARGET)., $(FORMATS))
+	rm -rf $(TARGET)_html $(TARGET)_html.tar.gz $(addprefix $(TARGET)., $(FORMATS))
diff --git a/book.json b/book.json
index 5ab3e67..88e1e87 100644
--- a/book.json
+++ b/book.json
@@ -1,14 +1,6 @@
 {
-  "pdf": {
-    "toc": true,
-    "pageNumbers": true,
-    "fontSize": 14,
-    "paperSize": "a4",
-    "margin": {
-      "right": 62,
-      "left": 62,
-      "top": 48,
-      "bottom": 48
-    }
-  }
+  "title": "Slackware 中文手册",
+  "author": "The Slackware Linux CN Community",
+  "description": "本书是 Slackbook 的中文版",
+  "language": "zh-hans"
 }