diff --git a/doc/fluid/api/api_guides/low_level/layers/math.rst b/doc/fluid/api/api_guides/low_level/layers/math.rst
index d1c1d3bd6229ff919e22c48b559af37ed9dd83b3..9db9f4d46df0fac911349258da897516bdd7a791 100644
--- a/doc/fluid/api/api_guides/low_level/layers/math.rst
+++ b/doc/fluid/api/api_guides/low_level/layers/math.rst
@@ -153,8 +153,7 @@ less_than
 
 对两个 :code:`Tensor` 逐元素判断是否满足小于关系， 对应数学操作符 :code:`<`
 
-API Reference 请参考 :ref:`api_fluid_la
-yers_less_than`
+API Reference 请参考 :ref:`api_fluid_layers_less_than`
 
 
 sum