diff --git a/source/Demo/node_modules/mime-db/README.md b/source/Demo/node_modules/mime-db/README.md
index 7662440..2de5e6b 100644
--- a/source/Demo/node_modules/mime-db/README.md
+++ b/source/Demo/node_modules/mime-db/README.md
@@ -29,7 +29,7 @@ JSON file using [RawGit](https://rawgit.com/). It is recommended to replace
 JSON format may change in the future.
 
 ```
-https://cdn.rawgit.com/jshttp/mime-db/master/db.json
+https://cdn.jsdelivr.net/gh/jshttp/mime-db/db.json
 ```
 
 ## Usage
diff --git a/source/chat/node_modules/chalk/readme.md b/source/chat/node_modules/chalk/readme.md
index 5cf111e..7c2aac9 100644
--- a/source/chat/node_modules/chalk/readme.md
+++ b/source/chat/node_modules/chalk/readme.md
@@ -1,7 +1,7 @@
 <h1 align="center">
 	<br>
 	<br>
-	<img width="360" src="https://cdn.rawgit.com/chalk/chalk/19935d6484811c5e468817f846b7b3d417d7bf4a/logo.svg" alt="chalk">
+	<img width="360" src="https://cdn.jsdelivr.net/gh/chalk/chalk@19935d6484811c5e468817f846b7b3d417d7bf4a/logo.svg" alt="chalk">
 	<br>
 	<br>
 	<br>
diff --git a/source/chat/node_modules/mime-db/README.md b/source/chat/node_modules/mime-db/README.md
index 7662440..2de5e6b 100644
--- a/source/chat/node_modules/mime-db/README.md
+++ b/source/chat/node_modules/mime-db/README.md
@@ -29,7 +29,7 @@ JSON file using [RawGit](https://rawgit.com/). It is recommended to replace
 JSON format may change in the future.
 
 ```
-https://cdn.rawgit.com/jshttp/mime-db/master/db.json
+https://cdn.jsdelivr.net/gh/jshttp/mime-db/db.json
 ```
 
 ## Usage
diff --git a/source/cnpm-hutech/app.json b/source/cnpm-hutech/app.json
index e6d6d9e..403554a 100644
--- a/source/cnpm-hutech/app.json
+++ b/source/cnpm-hutech/app.json
@@ -2,7 +2,7 @@
   "name": "Start on Heroku: Node.js",
   "description": "A barebones Node.js app using Express 4",
   "repository": "https://github.com/nready/Simple-Blog-NodeJs-MySQL-Heroku/tree/master/source/cnpm-hutech",
-  "logo": "https://cdn.rawgit.com/heroku/node-js-getting-started/master/public/node.svg",
+  "logo": "https://cdn.jsdelivr.net/gh/heroku/node-js-getting-started/public/node.svg",
   "keywords": ["node", "express", "heroku"],
   "image": "heroku/nodejs"
 }