diff --git a/doc/fluid/api_cn/layers_cn/Normal_cn.rst b/doc/fluid/api_cn/layers_cn/Normal_cn.rst
index 933e18aa464cd194557cfd93ad5c38335fb22e93..ce50e67bd12563ee7c24b6ab4141acf0ccf0c303 100644
--- a/doc/fluid/api_cn/layers_cn/Normal_cn.rst
+++ b/doc/fluid/api_cn/layers_cn/Normal_cn.rst
@@ -34,7 +34,7 @@ Normal
 
     import numpy as np
     from paddle.fluid import layers
-	  from paddle.fluid.layers import Normal
+	from paddle.fluid.layers import Normal
 
     # 定义参数为float的正态分布。
     dist = Normal(loc=0., scale=3.)