diff --git a/docs/changes.md b/docs/changes.md
index f6ee28ffd..3d94557df 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -1,4 +1,7 @@
 # 最新动态
+* 2019/01/25
+  * 增加model\_delegate。
+
 * 2019/01/24
   * 增加value\_validator/value\_validator\_delegate