diff --git a/zh-cn/device-dev/reference/hdi-apis/_sub_graph.md b/zh-cn/device-dev/reference/hdi-apis/_sub_graph.md
index 64531a425079e2c7c4d4d7d2ce8e3d64de811200..bee7545071117a33525ce49d1af00528090eaf6a 100644
--- a/zh-cn/device-dev/reference/hdi-apis/_sub_graph.md
+++ b/zh-cn/device-dev/reference/hdi-apis/_sub_graph.md
@@ -6,9 +6,13 @@
 子图结构体。
 
 **Since:**
+
 3.2
+
 **Version:**
+
 1.0
+
 **相关模块:**
 
 [NNRt](_n_n_rt.md)