Specify book develop branch

gangliao · gangliao · commit 06c2437b3aa8 · 2017-03-09T15:47:44.000+08:00
diff --git a/.gitmodules b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "book"]
 	path = book
 	url = https://github.com/PaddlePaddle/book.git
+	branch = develop
diff --git a/book b/book
@@ -1 +1 @@
-Subproject commit 22ed2a01aee872f055b5f5f212428f481cefc10d
+Subproject commit 6e3875eb62533de1f2c1088a477719eb57b9732c
