read the doc

docs/zh_CN/Makefile

@@ -5,9 +5,11 @@
 # from the environment for the first two.
 SPHINXOPTS    ?=
 SPHINXBUILD   ?= sphinx-build
+
 #SOURCEDIR     = source
 BUILDDIR      = build
 
+
 # Put it first so that "make" without argument is like "make help".
 help:
 	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

docs/zh_CN/index.rst

@@ -16,4 +16,3 @@
    advanced_tutorials/index
    others/index
    faq_series/index
-

docs/zh_CN/make.bat

@@ -11,6 +11,7 @@ if "%SPHINXBUILD%" == "" (
 set SOURCEDIR=source
 set BUILDDIR=build
 
+
 if "%1" == "" goto help
 
 %SPHINXBUILD% >NUL 2>NUL