diff --git a/README.md b/README.md
index 4be015b..96e3f4a 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # Plang Programming Language for Game Design
 
-last update：2021/1/12
+last update：2021/4/18
 #### Current Version
-1.4.5
+1.4.6