diff --git a/zh-cn/device-dev/reference/hdi-apis/_expand_dims.md b/zh-cn/device-dev/reference/hdi-apis/_expand_dims.md
index 132202d7620c4a91eb0ce4c2d215248e695927d7..e96bf2863856743ebea8e157ad6a30df7fcd214f 100644
--- a/zh-cn/device-dev/reference/hdi-apis/_expand_dims.md
+++ b/zh-cn/device-dev/reference/hdi-apis/_expand_dims.md
@@ -18,9 +18,13 @@
 - output，给定轴上添加了额外额度的算子。
 
 **Since:**
+
 3.2
+
 **Version:**
+
 1.0
+
 **相关模块:**
 
 [NNRt](_n_n_rt.md)