diff --git a/doc/fluid/book_cnls b/doc/fluid/book_cnls
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/doc/fluid/faq/index_cn.rst b/doc/fluid/faq/index_cn.rst
index b8db76665932c117cc309747bf50a8718e31bad1..f44fc147434a0c06442a5ddc7439e2f46870d524 100644
--- a/doc/fluid/faq/index_cn.rst
+++ b/doc/fluid/faq/index_cn.rst
@@ -7,4 +7,4 @@ FAQ
 
     install_cn.rst
     train_cn.rst
-    inferense_cn.rst
+    inference_cn.rst
diff --git a/doc/fluid/faq/inferense_cn.md b/doc/fluid/faq/inference_cn.md
similarity index 100%
rename from doc/fluid/faq/inferense_cn.md
rename to doc/fluid/faq/inference_cn.md
diff --git a/doc/fluid/faq/install_cn.md b/doc/fluid/faq/install_cn.md
index 1d5278bfcf622cfeaf50b1881ce6a0d9908628ce..1fb153fddb35b47c9f022ed943e113a2f4570846 100644
--- a/doc/fluid/faq/install_cn.md
+++ b/doc/fluid/faq/install_cn.md
@@ -1,4 +1,4 @@
- # 安装与编译
+# 安装与编译
 
 ## Linux安装PaddlePaddle
 ### Q：Ubuntu18.10、CPU版本、Python3.6编译错误如何解决？