diff --git a/doc/fluid/api_cn/tensor_cn/norm_cn.rst b/doc/fluid/api_cn/tensor_cn/norm_cn.rst
index 5fed454842b9292b2240cd8d3b575143064b0597..ea6ebd82d2aff71ea5164ce22063a5bf5723cdd7 100644
--- a/doc/fluid/api_cn/tensor_cn/norm_cn.rst
+++ b/doc/fluid/api_cn/tensor_cn/norm_cn.rst
@@ -7,7 +7,6 @@ norm
 
 :alias_main: paddle.norm
 :alias: paddle.norm,paddle.tensor.norm,paddle.tensor.linalg.norm
-:update_api: paddle.fluid.layers.l2_normalize