diff --git a/enjoy/package.json b/enjoy/package.json
index 73647f55..b8fc060d 100644
--- a/enjoy/package.json
+++ b/enjoy/package.json
@@ -135,7 +135,6 @@
     "sequelize-typescript": "^2.1.6",
     "sqlite3": "^5.1.7",
     "tailwind-scrollbar-hide": "^1.1.7",
-    "ts-key-enum": "^2.0.12",
     "umzug": "^3.5.0",
     "wavesurfer.js": "^7.6.3",
     "zod": "^3.22.4"
diff --git a/enjoy/src/i18n/en.json b/enjoy/src/i18n/en.json
index 69fccef2..17441c2b 100644
--- a/enjoy/src/i18n/en.json
+++ b/enjoy/src/i18n/en.json
@@ -201,6 +201,10 @@
   "resetAll": "Reset All",
   "resetAllConfirmation": "It will remove all of your personal data, are you sure?",
   "logoutAndRemoveAllPersonalData": "Logout and remove all personal data",
+  "hotkeys": "Hotkeys",
+  "quitApp": "Quit APP",
+  "openPreferences": "Open preferences",
+  "playOrPause": "Play or pause",
   "about": "About",
   "currentVersion": "Current version",
   "checkUpdate": "Check update",
diff --git a/enjoy/src/i18n/zh-CN.json b/enjoy/src/i18n/zh-CN.json
index 6870f263..ada25107 100644
--- a/enjoy/src/i18n/zh-CN.json
+++ b/enjoy/src/i18n/zh-CN.json
@@ -201,6 +201,10 @@
   "resetAll": "重置所有",
   "resetAllConfirmation": "这将删除您的所有个人数据, 您确定要重置吗？",
   "logoutAndRemoveAllPersonalData": "退出登录并删除所有个人数据",
+  "hotkeys": "快捷键",
+  "quitApp": "退出应用",
+  "openPreferences": "打开设置",
+  "playOrPause": "播放/暂停",
   "about": "关于",
   "currentVersion": "当前版本",
   "checkUpdate": "检查更新",
diff --git a/enjoy/src/main.ts b/enjoy/src/main.ts
index 53944ae6..4f51ed9c 100644
--- a/enjoy/src/main.ts
+++ b/enjoy/src/main.ts
@@ -50,10 +50,6 @@ app.on("ready", async () => {
   });
 
   mainWindow.init();
-
-  globalShortcut.register("CommandOrControl+Shift+I", () => {
-    mainWindow.win.webContents.toggleDevTools();
-  });
 });
 
 // Quit when all windows are closed, except on macOS. There, it's common
diff --git a/enjoy/src/main/db/models/audio.ts b/enjoy/src/main/db/models/audio.ts
index 751d24ce..95ebc4b1 100644
--- a/enjoy/src/main/db/models/audio.ts
+++ b/enjoy/src/main/db/models/audio.ts
@@ -208,6 +208,12 @@ export class Audio extends Model<Audio> {
   @AfterDestroy
   static cleanupFile(audio: Audio) {
     fs.remove(audio.filePath);
+    Recording.destroy({
+      where: {
+        targetId: audio.id,
+        targetType: "Audio",
+      },
+    });
   }
 
   static async buildFromLocalFile(
diff --git a/enjoy/src/main/db/models/recording.ts b/enjoy/src/main/db/models/recording.ts
index 26e39d81..af7e313b 100644
--- a/enjoy/src/main/db/models/recording.ts
+++ b/enjoy/src/main/db/models/recording.ts
@@ -1,4 +1,3 @@
-import { app } from "electron";
 import {
   AfterCreate,
   AfterUpdate,
@@ -28,6 +27,8 @@ import webApi from "@main/web-api";
 import { AzureSpeechSdk } from "@main/azure-speech-sdk";
 import camelcaseKeys from "camelcase-keys";
 
+const logger = log.scope("db/models/recording");
+
 @Table({
   modelName: "Recording",
   tableName: "recordings",
@@ -119,7 +120,7 @@ export class Recording extends Model<Recording> {
     return storage
       .put(this.md5, this.filePath)
       .then((result) => {
-        log.debug("[RECORDING]", "upload result:", result.data);
+        logger.debug("upload result:", result.data);
         if (result.data.success) {
           this.update({ uploadedAt: new Date() });
         } else {
@@ -127,7 +128,7 @@ export class Recording extends Model<Recording> {
         }
       })
       .catch((err) => {
-        log.error("[RECORDING]", "upload failed:", err.message);
+        logger.error("upload failed:", err.message);
         throw err;
       });
   }
@@ -187,10 +188,10 @@ export class Recording extends Model<Recording> {
     if (!Array.isArray(findResult)) findResult = [findResult];
 
     for (const instance of findResult) {
-      if (instance.targetType === "Audio" && instance.audio !== undefined) {
+      if (instance.targetType === "Audio" && instance.audio) {
         instance.target = instance.audio.toJSON();
       }
-      if (instance.targetType === "Video" && instance.video !== undefined) {
+      if (instance.targetType === "Video" && instance.video) {
         instance.target = instance.video.toJSON();
       }
       // To prevent mistakes:
@@ -243,6 +244,13 @@ export class Recording extends Model<Recording> {
           by: recording.duration,
         });
       });
+    } else if (recording.targetType === "Video") {
+      Video.findByPk(recording.targetId).then((video) => {
+        video.decrement("recordingsCount");
+        video.decrement("recordingsDuration", {
+          by: recording.duration,
+        });
+      });
     }
   }
 
diff --git a/enjoy/src/main/db/models/video.ts b/enjoy/src/main/db/models/video.ts
index ead1c6ff..36645088 100644
--- a/enjoy/src/main/db/models/video.ts
+++ b/enjoy/src/main/db/models/video.ts
@@ -37,7 +37,7 @@ const logger = log.scope("db/models/video");
   timestamps: true,
 })
 export class Video extends Model<Video> {
-  @IsUUID('all')
+  @IsUUID("all")
   @Default(DataType.UUIDV4)
   @Column({ primaryKey: true, type: DataType.UUID })
   id: string;
@@ -230,6 +230,12 @@ export class Video extends Model<Video> {
   @AfterDestroy
   static cleanupFile(video: Video) {
     fs.remove(video.filePath);
+    Recording.destroy({
+      where: {
+        targetId: video.id,
+        targetType: "Video",
+      },
+    });
   }
 
   static async buildFromLocalFile(
diff --git a/enjoy/src/main/window.ts b/enjoy/src/main/window.ts
index 16ebb4a8..c802f85d 100644
--- a/enjoy/src/main/window.ts
+++ b/enjoy/src/main/window.ts
@@ -247,6 +247,14 @@ main.init = () => {
     return process.env.WEB_API_URL || WEB_API_URL;
   });
 
+  ipcMain.handle("app-quit", () => {
+    app.quit();
+  });
+
+  ipcMain.handle("app-open-dev-tools", () => {
+    mainWindow.webContents.openDevTools();
+  });
+
   // Shell
   ipcMain.handle("shell-open-external", (_event, url) => {
     shell.openExternal(url);
diff --git a/enjoy/src/preload.ts b/enjoy/src/preload.ts
index 8d85f91b..fcabd446 100644
--- a/enjoy/src/preload.ts
+++ b/enjoy/src/preload.ts
@@ -20,6 +20,12 @@ contextBridge.exposeInMainWorld("__ENJOY_APP__", {
     apiUrl: () => {
       return ipcRenderer.invoke("app-api-url");
     },
+    quit: () => {
+      ipcRenderer.invoke("app-quit");
+    },
+    openDevTools: () => {
+      ipcRenderer.invoke("app-open-dev-tools");
+    },
     version,
   },
   providers: {
diff --git a/enjoy/src/renderer/app.tsx b/enjoy/src/renderer/app.tsx
index 29e78e36..b11e5c09 100644
--- a/enjoy/src/renderer/app.tsx
+++ b/enjoy/src/renderer/app.tsx
@@ -9,6 +9,7 @@ import { RouterProvider } from "react-router-dom";
 import { Toaster, useToast } from "@renderer/components/ui";
 import { t } from "i18next";
 import { Tooltip } from "react-tooltip";
+import { useHotkeys } from "react-hotkeys-hook";
 
 function App() {
   const { toast } = useToast();
@@ -20,6 +21,22 @@ function App() {
     });
   });
 
+  const ControlOrCommand = navigator.platform.includes("Mac")
+    ? "Meta"
+    : "Control";
+
+  useHotkeys(`${ControlOrCommand}+Comma`, () => {
+    document.getElementById("preferences-button")?.click();
+  });
+
+  useHotkeys(`${ControlOrCommand}+Q`, () => {
+    window.__ENJOY_APP__.app.quit();
+  });
+
+  useHotkeys(`${ControlOrCommand}+Shift+I`, () => {
+    window.__ENJOY_APP__.app.openDevTools();
+  });
+
   return (
     <ThemeProvider defaultTheme="light" storageKey="vite-ui-theme">
       <AppSettingsProvider>
diff --git a/enjoy/src/renderer/components/medias/media-player.tsx b/enjoy/src/renderer/components/medias/media-player.tsx
index e48fe8ec..f4a20e70 100644
--- a/enjoy/src/renderer/components/medias/media-player.tsx
+++ b/enjoy/src/renderer/components/medias/media-player.tsx
@@ -27,7 +27,6 @@ import {
   defaultLayoutIcons,
 } from "@vidstack/react/player/layouts/default";
 import { useHotkeys } from "react-hotkeys-hook";
-import { Key } from "ts-key-enum";
 
 const minPxPerSecBase = 150;
 
diff --git a/enjoy/src/renderer/components/preferences/hotkeys.tsx b/enjoy/src/renderer/components/preferences/hotkeys.tsx
new file mode 100644
index 00000000..829de334
--- /dev/null
+++ b/enjoy/src/renderer/components/preferences/hotkeys.tsx
@@ -0,0 +1,36 @@
+import { t } from "i18next";
+import { Separator } from "@renderer/components/ui";
+
+export const Hotkeys = () => {
+  const commandOrCtrl = navigator.platform.includes("Mac") ? "Cmd" : "Ctrl";
+
+  return (
+    <>
+      <div className="font-semibold mb-4 capitilized">{t("hotkeys")}</div>
+
+      <div className="flex items-center justify-between py-4">
+        <div className="flex items-center space-x-2">{t("quitApp")}</div>
+        <kbd className="bg-muted px-2 py-1 rounded-md text-sm text-muted-foreground">
+          {commandOrCtrl} + Q
+        </kbd>
+      </div>
+      <Separator />
+
+      <div className="flex items-center justify-between py-4">
+        <div className="flex items-center space-x-2">{t("openPreferences")}</div>
+        <kbd className="bg-muted px-2 py-1 rounded-md text-sm text-muted-foreground">
+          {commandOrCtrl} + ,
+        </kbd>
+      </div>
+      <Separator />
+
+      <div className="flex items-center justify-between py-4">
+        <div className="flex items-center space-x-2">{t("playOrPause")}</div>
+        <kbd className="bg-muted px-2 py-1 rounded-md text-sm text-muted-foreground">
+          Space
+        </kbd>
+      </div>
+      <Separator />
+    </>
+  );
+};
diff --git a/enjoy/src/renderer/components/preferences/index.ts b/enjoy/src/renderer/components/preferences/index.ts
index 29233ea4..5c261484 100644
--- a/enjoy/src/renderer/components/preferences/index.ts
+++ b/enjoy/src/renderer/components/preferences/index.ts
@@ -2,3 +2,4 @@ export * from './preferences';
 export * from './basic-settings';
 export * from './advanced-settings';
 export * from './about';
+export * from './hotkeys';
diff --git a/enjoy/src/renderer/components/preferences/preferences.tsx b/enjoy/src/renderer/components/preferences/preferences.tsx
index 4525968f..17d044bd 100644
--- a/enjoy/src/renderer/components/preferences/preferences.tsx
+++ b/enjoy/src/renderer/components/preferences/preferences.tsx
@@ -1,6 +1,6 @@
 import { t } from "i18next";
 import { Button, ScrollArea } from "@renderer/components/ui";
-import { BasicSettings, AdvancedSettings, About } from "@renderer/components";
+import { BasicSettings, AdvancedSettings, About, Hotkeys } from "@renderer/components";
 import { useState } from "react";
 
 export const Preferences = () => {
@@ -15,6 +15,11 @@ export const Preferences = () => {
       label: t("advancedSettings"),
       component: () => <AdvancedSettings />,
     },
+    {
+      value: "hotkeys",
+      label: t("hotkeys"),
+      component: () => <Hotkeys />,
+    },
     {
       value: "about",
       label: t("about"),
diff --git a/enjoy/src/renderer/components/recordings/recording-activities.tsx b/enjoy/src/renderer/components/recordings/recording-activities.tsx
index d4285a65..b7635939 100644
--- a/enjoy/src/renderer/components/recordings/recording-activities.tsx
+++ b/enjoy/src/renderer/components/recordings/recording-activities.tsx
@@ -28,7 +28,7 @@ export const RecordingActivities = (props: { from: string; to: string }) => {
         to,
       })
       .then((_activities) => {
-        setActitivies(_activities);
+        setActitivies(_activities || []);
       })
       .finally(() => {
         setLoading(false);
@@ -88,6 +88,11 @@ const Activity = (props: {
   };
 }) => {
   const { activity, displayDate } = props;
+
+  if (!activity.target) {
+    return null;
+  }
+
   return (
     <>
       {displayDate && (
diff --git a/enjoy/src/renderer/components/sidebar.tsx b/enjoy/src/renderer/components/sidebar.tsx
index 0434ca0a..ed0dd273 100644
--- a/enjoy/src/renderer/components/sidebar.tsx
+++ b/enjoy/src/renderer/components/sidebar.tsx
@@ -11,7 +11,6 @@ import {
   HeadphonesIcon,
   VideoIcon,
   NewspaperIcon,
-  BookOpenTextIcon,
   BookMarkedIcon,
   UserIcon,
   BotIcon,
@@ -210,6 +209,7 @@ export const Sidebar = () => {
                           ? "secondary"
                           : "ghost"
                       }
+                      id="preferences-button"
                       className="w-full xl:justify-start"
                       data-tooltip-id="sidebar-tooltip"
                       data-tooltip-content={t("sidebar.preferences")}
diff --git a/enjoy/src/types/enjoy-app.d.ts b/enjoy/src/types/enjoy-app.d.ts
index d0b4bde5..5144b055 100644
--- a/enjoy/src/types/enjoy-app.d.ts
+++ b/enjoy/src/types/enjoy-app.d.ts
@@ -5,6 +5,8 @@ type EnjoyAppType = {
     reload: () => Promise<void>;
     isPackaged: () => Promise<boolean>;
     apiUrl: () => Promise<string>;
+    quit: () => Promise<void>;
+    openDevTools: () => Promise<void>;
     version: string;
   };
   providers: {
diff --git a/yarn.lock b/yarn.lock
index ab80137d..279ab712 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5840,7 +5840,6 @@ __metadata:
     tailwind-scrollbar-hide: "npm:^1.1.7"
     tailwindcss: "npm:^3.4.1"
     tailwindcss-animate: "npm:^1.0.7"
-    ts-key-enum: "npm:^2.0.12"
     ts-node: "npm:^10.9.2"
     tslib: "npm:^2.6.2"
     typescript: "npm:^5.3.3"
@@ -12163,13 +12162,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ts-key-enum@npm:^2.0.12":
-  version: 2.0.12
-  resolution: "ts-key-enum@npm:2.0.12"
-  checksum: 1d9cf8085785bdc324827c5c38f6359b09d9438deab81dfab7fa6d8315c618280ba7527e98d06b68c11066a5a81b06ef84eb378a48bf80ca5772ab0e4c6683d5
-  languageName: node
-  linkType: hard
-
 "ts-node@npm:^10.9.2":
   version: 10.9.2
   resolution: "ts-node@npm:10.9.2"