diff --git a/README.md b/README.md
index 276936d093f1541bb33e5f7ae9c5469f906d74e1..5b66d33aecefa366ce264508342f1d0cb9a29bc1 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # metadef
 
-## 介绍
+### 介绍
 
 昇腾元数据定义
 
diff --git a/classify_rule.txt b/classify_rule.txt
new file mode 100644
index 0000000000000000000000000000000000000000..74b1a7547817598650156fff365c62c7e53a2693
--- /dev/null
+++ b/classify_rule.txt
@@ -0,0 +1,3 @@
+[metadef]
+graph
+register