diff --git a/README.md b/README.md
index 888c920..cae6c06 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,10 @@ cvt.Float("hello", 12.34)   // 12.34
 - Bool
 - BoolE
 - ColumnsE
+- ColumnsFloat64E
+- ColumnsInt64E
+- ColumnsIntE
+- ColumnsStringE
 - FieldE
 - Float32
 - Float32E
diff --git a/README_ZH.md b/README_ZH.md
index 2b5d5bc..cf6b60a 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -66,6 +66,10 @@ cvt.Float("hello", 12.34)       // 12.34
 - Bool
 - BoolE
 - ColumnsE
+- ColumnsFloat64E
+- ColumnsInt64E
+- ColumnsIntE
+- ColumnsStringE
 - FieldE
 - Float32
 - Float32E