diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9bdc54e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# SplitScreen
+
+> Website split screen is Chrome Plugins 
+
+![SplitScreen Demo](https://cdn.jsdelivr.net/gh/lete114/CDN/SplitScreen/Demo1.png)
\ No newline at end of file
diff --git a/SplitScreen.js b/SplitScreen.js
new file mode 100644
index 0000000..74e3c01
--- /dev/null
+++ b/SplitScreen.js
@@ -0,0 +1,5 @@
+chrome.browserAction.onClicked.addListener(function(tab) {
+    chrome.tabs.executeScript({
+        code: `document.write('<title>'+document.title+'</title><frameset cols="50%,*"><frame src='+location.href +'><frame src='+location.href+'></frameset>')`
+    });
+});
\ No newline at end of file
diff --git a/icon.png b/icon.png
new file mode 100644
index 0000000..c081bea
Binary files /dev/null and b/icon.png differ
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..3f0c290
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,18 @@
+{
+    "name": "SplitScreen",
+    "version": "1.0",
+    "description": "Website split screen is Chrome Plugins ",
+    "browser_action": {"default_icon": "icon.png"},
+    "permissions": ["http://*/*","https://*/*"],
+    "manifest_version": 2,
+    "author": "Lete乐特",
+    "homepage_url": "https://github.com/lete114/SplitScreen",
+    "background": {
+      "scripts": ["./SplitScreen.js"],
+      "persistent": false
+    },
+    "icons": {
+      "128": "icon.png",
+      "16": "icon.png"
+   }
+}
\ No newline at end of file