Update book.ini

Author: chai2010

book.ini

@@ -13,7 +13,7 @@ src = "."
 build-dir = "book"
 
 [custom]
-content_header = "<ul dir=\"auto\"><li><em>凹语言(Go实现, 面向WASM设计): <a href=\"https://github.com/wa-lang/wa\">https://github.com/wa-lang/wa</a></em></li><li><em>WaBook(Go语言实现的MD电子书构建工具): <a href=\"https://github.com/wa-lang/wabook\">https://github.com/wa-lang/wabook</a></em></li></ul><hr>"
+content_header = "<ul dir=\"auto\"><li><em>凹语言(Go实现, 面向WASM设计): <a href=\"https://github.com/wa-lang/wa\">https://github.com/wa-lang/wa</a></em></li><li><em>《Go语言高级编程》: <a href=\"https://github.com/chai2010/advanced-go-programming-book\">https://github.com/chai2010/advanced-go-programming-book</a></em></li></ul><hr>"
 content_footer = "<hr><table><tr><td><img width=\"222px\" src=\"https://chai2010.cn/advanced-go-programming-book/css.png\"></td><td><img width=\"222px\" src=\"https://chai2010.cn/advanced-go-programming-book/cch.png\"></td></tr></table>"
 page_footer = "<span>© 2015-2016 | <a href=\"https://github.com/gopl-zh\"> Go语言圣经中文版</a>, 仅学习交流使用</span>"