diff --git a/src/components/AddColumn/PublicTimeline.vue b/src/components/AddColumn/PublicTimeline.vue
index 40922722..ab2c6318 100644
--- a/src/components/AddColumn/PublicTimeline.vue
+++ b/src/components/AddColumn/PublicTimeline.vue
@@ -89,6 +89,7 @@ export default class PublicTimeline extends Vue {
 
   public addTL() {
     let timeline: Timeline = { name: this.instance, statuses: new Map() }
+    ipcRenderer.send("add-timeline", timeline.name, 'no-auth')
 
     this.showInput = false
     this.instance = ""
diff --git a/src/main/Timeline.ts b/src/main/Timeline.ts
index d66f85fb..9965afc3 100644
--- a/src/main/Timeline.ts
+++ b/src/main/Timeline.ts
@@ -1,11 +1,20 @@
 import {
+    app,
     ipcMain,
     Event
 } from 'electron'
 import { Status, Response } from 'megalodon'
+import { join } from "path"
+import Datastore from "nedb"
 
 import Client from './Client'
 
+interface TimelineDoc {
+    _id?: string
+    name: string
+    type: string
+}
+
 export default class Timeline {
     private static readonly endpoints: Readonly<{
         [key: string]: string
@@ -18,33 +27,67 @@ export default class Timeline {
         }
 
     public static ready() {
-        ipcMain.on('no-auth-timeline', async (event: Event, name: string) => {
-            const client = Client.getNoAuthClient(name)
-            try {
-                let res: Response<[Status]> = await client.get<[Status]>('/timelines/public?local=true')
-                event.sender.send(`timeline-${name}-no-auth`, res.data)
-            } catch (error) {
-                event.sender.send(`timeline-${name}-no-auth`, [], error)
-            }
-        })
-        ipcMain.on('timeline', async (event: Event, name: string, type: string) => {
-            // home/notify/dm/local/fediverse/integrated/localPlus
-            // integratedはまだ。dmはAPI構造が違う。notifyはmax_idとかのためにヘッダー取らないといけない。
-            // integratedはレンダラープロセス側でそれぞれ取得させる形で、ここでは考慮しないのがいいのかな
-            if (!(type in this.endpoints)) {
-                event.sender.send(`timeline-${name}-${type}`, [], new Error("Not supported type"))
-                return
-            }
+        ipcMain.on('add-timeline', (event: Event, name: string, type: string) => this.onAddTimeline(event, name, type))
 
-            let url = this.endpoints[type]
-            try {
-                const client = Client.getAuthClient(name)
-                let res: Response<[Status]> = await client.get<[Status]>(url)
-                event.sender.send(`timeline-${name}-${type}`, res.data)
-            } catch (error) {
-                console.log(error)
-                event.sender.send(`timeline-${name}-${type}`, [], error)
+        ipcMain.on('no-auth-timeline', (event: Event, name: string) => this.onNoAuthTimeline(event, name))
+
+        ipcMain.on('timeline', (event: Event, name: string, type: string) => this.onTimeline(event, name, type))
+    }
+
+    private static async onAddTimeline(event: Event, name: string, type: string) {
+        if (!(type in this.endpoints) && type !== 'no-auth') {
+            event.sender.send(`add-timeline`, {}, new Error("Not supported type"))
+            return
+        }
+
+        let db = new Datastore({
+            filename: join(app.getPath("userData"), "timeline.db"),
+            autoload: true
+        })
+
+        let docs: TimelineDoc = {
+            name: name,
+            type: type,
+        }
+
+        db.insert(docs, function (err, newDocs) {
+            if (err) {
+                let error = new Error("You cannot login already logined account.")
+                error.name = "ERROR_YOU_TRY_ANOTHER_ACCOUNT"
+                event.sender.send(`add-timeline`, {}, error)
+            } else {
+                event.sender.send(`add-timeline`, newDocs)
             }
         })
     }
+
+    private static async onNoAuthTimeline(event: Event, name: string) {
+        try {
+            const client = Client.getNoAuthClient(name)
+            let res: Response<[Status]> = await client.get<[Status]>('/timelines/public?local=true')
+            event.sender.send(`timeline-${name}-no-auth`, res.data)
+        } catch (error) {
+            event.sender.send(`timeline-${name}-no-auth`, [], error)
+        }
+    }
+
+    private static async onTimeline(event: Event, name: string, type: string) {
+        // home/notify/dm/local/fediverse/integrated/localPlus
+        // integratedはまだ。dmはAPI構造が違う。notifyはmax_idとかのためにヘッダー取らないといけない。
+        // integratedはレンダラープロセス側でそれぞれ取得させる形で、ここでは考慮しないのがいいのかな
+        if (!(type in this.endpoints)) {
+            event.sender.send(`timeline-${name}-${type}`, [], new Error("Not supported type"))
+            return
+        }
+
+        let url = this.endpoints[type]
+        try {
+            const client = Client.getAuthClient(name)
+            let res: Response<[Status]> = await client.get<[Status]>(url)
+            event.sender.send(`timeline-${name}-${type}`, res.data)
+        } catch (error) {
+            console.log(error)
+            event.sender.send(`timeline-${name}-${type}`, [], error)
+        }
+    }
 }
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 2b785119..39fc416f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -14,6 +14,7 @@
     "baseUrl": ".",
     "types": [
       "lodash",
+      "nedb",
       "webpack-env",
     ],
     "paths": {