diff --git a/zh-cn/device-dev/reference/hdi-apis/_bias_add.md b/zh-cn/device-dev/reference/hdi-apis/_bias_add.md
index 5ccc80a8c5910684d4d27e276472828a3097a421..f3a13c3a89532d162a932397e712e352079bb484 100644
--- a/zh-cn/device-dev/reference/hdi-apis/_bias_add.md
+++ b/zh-cn/device-dev/reference/hdi-apis/_bias_add.md
@@ -18,9 +18,13 @@
 - 输出张量，根据输入中每个维度方向偏置之后的结果。
 
 **Since:**
+
 3.2
+
 **Version:**
+
 1.0
+
 **相关模块:**
 
 [NNRt](_n_n_rt.md)