diff --git a/CHANGELOG.md b/CHANGELOG.md
index d08e1dd..bc406f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+
+## docx-wasm@0.0.278-rc23 (21. Aug, 2023)
+
+- escape author in del/ins.
+
 ## docx-wasm@0.0.278-rc19 (9. Aug, 2023)
 
 - use i32 for line instead of u32.
diff --git a/docx-core/src/documents/elements/paragraph_property_change.rs b/docx-core/src/documents/elements/paragraph_property_change.rs
index 4763c75..a3221b3 100644
--- a/docx-core/src/documents/elements/paragraph_property_change.rs
+++ b/docx-core/src/documents/elements/paragraph_property_change.rs
@@ -1,6 +1,7 @@
 use serde::Serialize;
 
 use crate::documents::*;
+use crate::escape;
 use crate::xml_builder::*;
 
 #[derive(Serialize, Debug, Clone, PartialEq)]
@@ -34,7 +35,7 @@ impl ParagraphPropertyChange {
     }
 
     pub fn author(mut self, author: impl Into<String>) -> ParagraphPropertyChange {
-        self.author = author.into();
+        self.author = escape::escape(&author.into());
         self
     }
 
diff --git a/docx-core/src/documents/elements/table_of_contents.rs b/docx-core/src/documents/elements/table_of_contents.rs
index 49b66de..fcbb184 100644
--- a/docx-core/src/documents/elements/table_of_contents.rs
+++ b/docx-core/src/documents/elements/table_of_contents.rs
@@ -1,9 +1,9 @@
 use serde::ser::{SerializeStruct, Serializer};
 use serde::Serialize;
 
-use crate::documents::*;
 use crate::types::*;
 use crate::xml_builder::*;
+use crate::{documents::*, escape};
 
 #[derive(Debug, Clone, PartialEq)]
 pub enum TocContent {
@@ -97,7 +97,7 @@ impl TableOfContents {
 
     pub fn delete(mut self, author: impl Into<String>, date: impl Into<String>) -> Self {
         self.delete = Some(TableOfContentsReviewData {
-            author: author.into(),
+            author: escape::escape(&author.into()),
             date: date.into(),
         });
         self
diff --git a/docx-wasm/package.json b/docx-wasm/package.json
index c17266e..76ab43a 100644
--- a/docx-wasm/package.json
+++ b/docx-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docx-wasm",
-  "version": "0.0.278-rc20",
+  "version": "0.0.278-rc23",
   "main": "dist/node/index.js",
   "browser": "dist/web/index.js",
   "author": "bokuweb <bokuweb12@gmail.com>",
diff --git a/docx-wasm/src/delete.rs b/docx-wasm/src/delete.rs
index d22338a..ff0e09a 100644
--- a/docx-wasm/src/delete.rs
+++ b/docx-wasm/src/delete.rs
@@ -19,12 +19,12 @@ impl Delete {
 #[wasm_bindgen]
 impl Delete {
     pub fn author(mut self, author: String) -> Delete {
-        self.0.author = author;
+        self.0 = self.0.author(author);
         self
     }
 
     pub fn date(mut self, date: String) -> Delete {
-        self.0.date = date;
+        self.0 = self.0.date(date);
         self
     }
 }
diff --git a/docx-wasm/src/insert.rs b/docx-wasm/src/insert.rs
index ec91823..8718fd3 100644
--- a/docx-wasm/src/insert.rs
+++ b/docx-wasm/src/insert.rs
@@ -19,12 +19,12 @@ impl Insert {
 #[wasm_bindgen]
 impl Insert {
     pub fn author(mut self, author: String) -> Insert {
-        self.0.author = author;
+        self.0 = self.0.author(author);
         self
     }
 
     pub fn date(mut self, date: String) -> Insert {
-        self.0.date = date;
+        self.0 = self.0.date(date);
         self
     }
 }