From 785e8fcc777fa7b9300c24fcab09ab13c4edaae0 Mon Sep 17 00:00:00 2001
From: Cheerego <35982308+shanyi15@users.noreply.github.com>
Date: Thu, 6 Dec 2018 12:19:36 +0800
Subject: [PATCH] Update book commit (#438)

* update_en_structure

* update_Paddle_commitid

* delete_DS

* update_book_commit_id
---
 external/book | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/book b/external/book
index b22b286a7ddf2..ef2934505b87e 160000
--- a/external/book
+++ b/external/book
@@ -1 +1 @@
-Subproject commit b22b286a7ddf2579541815aff98ee3b803fde9b3
+Subproject commit ef2934505b87eeb516eed7d083900ec88a62fb20