diff --git a/protocol/README.md b/protocol/README.md
index 11b71811..73c724c7 100644
--- a/protocol/README.md
+++ b/protocol/README.md
@@ -234,6 +234,4 @@ your protocol number a little more compactly, so that your protocol number will
       Supports nested collection syntax
       ```
 
-
-
-
+- Simplified protobuf syntax, no enumeration, no oneof, no optional
diff --git a/protocol/README_CN.md b/protocol/README_CN.md
index 6e7f9213..0cd528ed 100644
--- a/protocol/README_CN.md
+++ b/protocol/README_CN.md
@@ -201,3 +201,5 @@ cpu： i9900k
       ```
       支持集合嵌套语法
       ```
+
+- 简化protobuf的语法，没有枚举，没有oneof，没有optional
\ No newline at end of file