diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e2a7386..83261f8 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -79,7 +79,7 @@ A good bug report shouldn't leave others needing to chase you up for more inform
 <!-- omit in toc -->
 #### How Do I Submit a Good Bug Report?
 
-> You must never report security related issues, vulnerabilities or bugs including sensitive information to the issue tracker, or elsewhere in public. Instead sensitive bugs must be sent by email to <abuse@catswords.net>.
+> You must never report security related issues, vulnerabilities or bugs including sensitive information to the issue tracker, or elsewhere in public. Instead sensitive bugs must be sent by email to <abuse@catswords.re.kr>.
 <!-- You may add a PGP key to allow the messages to be sent encrypted as well. -->
 
 We use GitHub issues to track bugs and errors. If you run into an issue with the project:
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html b/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html
index 2a00993..7c5c80b 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/editor.html
@@ -201,7 +201,7 @@
 
                     require(['vs/editor/editor.main'], () => {
                         const instance = monaco.editor.create(containerRef.current, {
-                            value: ['// lib/sayhello.js', 'function say() {', '    console.log("hello");', '}', '', 'exports.say = say;', '', 'exports.VERSIONINFO = "SayHello (sayhello.js) version 0.1";', 'exports.AUTHOR = "abuse@catswords.net";', 'exports.global = global;', 'exports.require = global.require;'].join('\n'),
+                            value: ['// lib/sayhello.js', 'function say() {', '    console.log("hello");', '}', '', 'exports.say = say;', '', 'exports.VERSIONINFO = "SayHello (sayhello.js) version 0.1";', 'exports.AUTHOR = "oss@catswords.re.kr";', 'exports.global = global;', 'exports.require = global.require;'].join('\n'),
                             language: 'javascript'
                         });
 
diff --git a/lib/chrome.js b/lib/chrome.js
index 6f7a51d..cc17b2e 100644
--- a/lib/chrome.js
+++ b/lib/chrome.js
@@ -1485,6 +1485,6 @@ exports.startDebugInPrivate = function(url, proxy, profileName, debuggingPort, i
 exports.publisherName = publisherName;
 
 exports.VERSIONINFO = "Chrome Web Browser Debugging Interface (chrome.js) version 0.4.23";
-exports.AUTHOR = "abuse@catswords.net";
+exports.AUTHOR = "gnh1201@catswords.re.kr";
 exports.global = global;
 exports.require = global.require;
diff --git a/lib/http.js b/lib/http.js
index bae27b9..47605e9 100644
--- a/lib/http.js
+++ b/lib/http.js
@@ -50,7 +50,7 @@ var HTTPObject = function(engine) {
         "credential": null, // e.g. { username: "user", password: "pass" }
         "method": null,  // for stateless only. e.g. GET, POST
         "url": null,  // for stateless only. e.g. http://localhost:8080
-        "userAgent": "php-httpproxy/0.1.5 (Client; WelsonJS; abuse@catswords.net)",  // for stateless only
+        "userAgent": "php-httpproxy/0.1.5 (Client; WelsonJS; abuse@catswords.re.kr)",  // for stateless only
         "rpcMethod": "relay_fetch_url"  // for stateless proxy
     };
     this.engine = (typeof(engine) !== "undefined" ? engine : "MSXML");
@@ -1225,6 +1225,6 @@ exports.DEFAULT_USER_AGENT = DEFAULT_USER_AGENT;
 exports.defaultUserAgent = DEFAULT_USER_AGENT;    // compatible
 
 exports.VERSIONINFO = "WelsonJS framework HTTP client (http.js) version 0.7.48";
-exports.AUTHOR = "abuse@catswords.net";
+exports.AUTHOR = "gnh1201@catswords.re.kr";
 exports.global = global;
 exports.require = global.require;