diff --git a/src/background/index.js b/src/background/index.js
index 040a2d5..bf89a33 100644
--- a/src/background/index.js
+++ b/src/background/index.js
@@ -1,10 +1,9 @@
 import * as keys from './keys';
 import * as inputActions from '../actions/input';
 import * as operationActions from '../actions/operation';
-import * as commandActions from '../actions/command';
 import * as consoleActions from '../actions/console';
 import * as settingsActions from '../actions/setting';
-import * as tabActions from '../actions/tab';
+import BackgroundComponent from '../components/background';
 import reducers from '../reducers';
 import messages from '../content/messages';
 import * as store from '../store';
@@ -18,6 +17,10 @@ const backgroundStore = store.createStore(reducers, (e, sender) => {
     backgroundStore.dispatch(consoleActions.showError(e.message), sender);
   }
 });
+const backgroundComponent = new BackgroundComponent(backgroundStore);
+backgroundStore.subscribe((sender) => {
+  backgroundComponent.update(sender);
+});
 backgroundStore.subscribe((sender) => {
   let currentInput = backgroundStore.getState().input;
   if (JSON.stringify(prevInput) === JSON.stringify(currentInput)) {
@@ -66,40 +69,6 @@ const keyQueueChanged = (state, sender) => {
   backgroundStore.dispatch(inputActions.clearKeys(), sender);
 };
 
-const handleMessage = (message, sender) => {
-  switch (message.type) {
-  case messages.KEYDOWN:
-    return backgroundStore.dispatch(
-      inputActions.keyPress(message.code, message.ctrl), sender);
-  case messages.OPEN_URL:
-    if (message.newTab) {
-      return backgroundStore.dispatch(
-        tabActions.openNewTab(message.url), sender);
-    }
-    return backgroundStore.dispatch(
-      tabActions.openToTab(message.url, sender.tab), sender);
-  case messages.CONSOLE_BLURRED:
-    return backgroundStore.dispatch(
-      consoleActions.hide(), sender);
-  case messages.CONSOLE_ENTERED:
-    return backgroundStore.dispatch(
-      commandActions.exec(message.text, settings), sender);
-  case messages.CONSOLE_CHANGEED:
-    return backgroundStore.dispatch(
-      commandActions.complete(message.text, settings), sender);
-  case messages.SETTINGS_RELOAD:
-    backgroundStore.dispatch(settingsActions.load());
-  }
-};
-
-browser.runtime.onMessage.addListener((message, sender) => {
-  try {
-    handleMessage(message, sender);
-  } catch (e) {
-    backgroundStore.dispatch(consoleActions.showError(e.message), sender);
-  }
-});
-
 const initializeSettings = () => {
   backgroundStore.dispatch(settingsActions.load());
 };
diff --git a/src/components/background.js b/src/components/background.js
new file mode 100644
index 0000000..4c5bb19
--- /dev/null
+++ b/src/components/background.js
@@ -0,0 +1,59 @@
+import messages from '../content/messages';
+import * as commandActions from '../actions/command';
+import * as consoleActions from '../actions/console';
+import * as inputActions from '../actions/input';
+import * as settingsActions from '../actions/setting';
+import * as tabActions from '../actions/tab';
+
+export default class BackgroundComponent {
+  constructor(store) {
+    this.store = store;
+    this.setting = {};
+
+    browser.runtime.onMessage.addListener((message, sender) => {
+      try {
+        this.onMessage(message, sender);
+      } catch (e) {
+        this.store.dispatch(consoleActions.showError(e.message), sender);
+      }
+    });
+  }
+
+  update() {
+    let state = this.store.getState();
+    this.updateSettings(state.setting);
+  }
+
+  updateSettings(setting) {
+    if (!setting.settings.json) {
+      return;
+    }
+    this.settings = JSON.parse(setting.settings.json);
+  }
+
+  onMessage(message, sender) {
+    switch (message.type) {
+    case messages.KEYDOWN:
+      return this.store.dispatch(
+        inputActions.keyPress(message.code, message.ctrl), sender);
+    case messages.OPEN_URL:
+      if (message.newTab) {
+        return this.store.dispatch(
+          tabActions.openNewTab(message.url), sender);
+      }
+      return this.store.dispatch(
+        tabActions.openToTab(message.url, sender.tab), sender);
+    case messages.CONSOLE_BLURRED:
+      return this.store.dispatch(
+        consoleActions.hide(), sender);
+    case messages.CONSOLE_ENTERED:
+      return this.store.dispatch(
+        commandActions.exec(message.text, this.settings), sender);
+    case messages.CONSOLE_CHANGEED:
+      return this.store.dispatch(
+        commandActions.complete(message.text, this.settings), sender);
+    case messages.SETTINGS_RELOAD:
+      this.store.dispatch(settingsActions.load());
+    }
+  }
+}