diff --git a/apps/desktop/src/lib/components/animations/BorderBeam.svelte b/apps/desktop/src/lib/components/animations/BorderBeam.svelte
new file mode 100644
index 0000000..62b4abb
--- /dev/null
+++ b/apps/desktop/src/lib/components/animations/BorderBeam.svelte
@@ -0,0 +1,44 @@
+<script lang="ts">
+	import { cn } from "$lib/utils"
+
+	let {
+		class: className,
+		size = 200,
+		duration = 15,
+		anchor = 90,
+		borderWidth = 1.5,
+		colorFrom = "#ffaa40",
+		colorTo = "#9c40ff",
+		delay = 0
+	}: {
+		class?: string
+		size?: number
+		duration?: number
+		anchor?: number
+		borderWidth?: number
+		colorFrom?: string
+		colorTo?: string
+		delay?: number
+	} = $props()
+	let delaySec = delay + "s"
+</script>
+
+<div
+	style:--border-width={borderWidth}
+	style:--size={size}
+	style:--color-from={colorFrom}
+	style:--color-to={colorTo}
+	style:--delay={delaySec}
+	style:--anchor={anchor}
+	style:--duration={duration}
+	class={cn(
+		"pointer-events-none absolute inset-[0] rounded-[inherit] [border:calc(var(--border-width)*1px)_solid_transparent]",
+
+		// mask styles
+		"![mask-clip:padding-box,border-box] ![mask-composite:intersect] [mask:linear-gradient(transparent,transparent),linear-gradient(white,white)]",
+
+		// pseudo styles
+		"after:animate-border-beam after:absolute after:aspect-square after:w-[calc(var(--size)*1px)] after:[animation-delay:var(--delay)] after:[background:linear-gradient(to_left,var(--color-from),var(--color-to),transparent)] after:[offset-anchor:calc(var(--anchor)*1%)_50%] after:[offset-path:rect(0_auto_auto_0_round_calc(var(--size)*1px))]",
+		className
+	)}
+></div>
diff --git a/apps/desktop/src/lib/components/common/FullScreenLoading.svelte b/apps/desktop/src/lib/components/common/FullScreenLoading.svelte
new file mode 100644
index 0000000..0d1119d
--- /dev/null
+++ b/apps/desktop/src/lib/components/common/FullScreenLoading.svelte
@@ -0,0 +1,33 @@
+<script lang="ts">
+	import { appState } from "@/stores"
+	import { cn } from "@/utils"
+	import { Button } from "@kksh/svelte5"
+	import { Constants, Layouts, TauriLink } from "@kksh/ui"
+	import { goto } from "$app/navigation"
+	import BorderBeam from "$lib/components/animations/BorderBeam.svelte"
+	import { ArrowLeftIcon, LoaderCircleIcon } from "lucide-svelte"
+	import Dance from "../dance/dance.svelte"
+
+	let { class: className }: { class?: string } = $props()
+
+	function goHome() {
+		appState.setFullScreenLoading(false)
+		goto("/app")
+	}
+</script>
+
+<Layouts.Center class={cn("flex h-screen flex-col items-center justify-center", className)}>
+	<Button
+		variant="outline"
+		size="icon"
+		onclick={goHome}
+		class={cn(Constants.CLASSNAMES.BACK_BUTTON, "absolute left-4 top-4")}
+		data-flip-id={Constants.CLASSNAMES.BACK_BUTTON}
+	>
+		<ArrowLeftIcon class="size-4" />
+	</Button>
+	<Dance class="absolute z-50 h-screen opacity-20" />
+	<LoaderCircleIcon class="h-24 w-24 animate-spin" />
+	<span class="font-mono">Loading</span>
+	<BorderBeam size={150} duration={12} />
+</Layouts.Center>
diff --git a/apps/desktop/src/lib/stores/appState.ts b/apps/desktop/src/lib/stores/appState.ts
index 8e0e56e..4b0b437 100644
--- a/apps/desktop/src/lib/stores/appState.ts
+++ b/apps/desktop/src/lib/stores/appState.ts
@@ -8,7 +8,8 @@ export const defaultAppState: AppState = {
 	loadingBar: false,
 	defaultAction: "",
 	actionPanel: undefined,
-	lockHideOnBlur: false // when dialog is open, we don't hide the app, we lock the hide on blur and unlock when dialog is closed
+	lockHideOnBlur: false, // when dialog is open, we don't hide the app, we lock the hide on blur and unlock when dialog is closed
+	fullScreenLoading: false
 }
 
 interface AppStateAPI {
@@ -18,6 +19,7 @@ interface AppStateAPI {
 	setDefaultAction: (defaultAction: string | null) => void
 	setActionPanel: (actionPanel?: ActionSchema.ActionPanel) => void
 	setLockHideOnBlur: (lockHideOnBlur: boolean) => void
+	setFullScreenLoading: (fullScreenLoading: boolean) => void
 }
 
 function createAppState(): Writable<AppState> & AppStateAPI {
@@ -40,6 +42,9 @@ function createAppState(): Writable<AppState> & AppStateAPI {
 		},
 		setLockHideOnBlur: (lockHideOnBlur: boolean) => {
 			store.update((state) => ({ ...state, lockHideOnBlur }))
+		},
+		setFullScreenLoading: (fullScreenLoading: boolean) => {
+			store.update((state) => ({ ...state, fullScreenLoading }))
 		}
 	}
 }
diff --git a/apps/desktop/src/routes/+layout.svelte b/apps/desktop/src/routes/+layout.svelte
index 98d1042..cd866f5 100644
--- a/apps/desktop/src/routes/+layout.svelte
+++ b/apps/desktop/src/routes/+layout.svelte
@@ -2,6 +2,8 @@
 	import { ParaglideJS } from "@inlang/paraglide-sveltekit"
 	import { i18n } from "$lib/i18n"
 	import "../app.css"
+	import FullScreenLoading from "@/components/common/FullScreenLoading.svelte"
+	import { appState } from "@/stores/appState"
 	import { ModeWatcher, ThemeWrapper } from "@kksh/svelte5"
 	import { Toaster } from "svelte-sonner"
 
@@ -12,6 +14,9 @@
 	<ModeWatcher />
 	<Toaster richColors closeButton />
 	<ThemeWrapper>
+		{#if $appState.fullScreenLoading}
+			<FullScreenLoading class="bg-background absolute inset-0 z-50" />
+		{/if}
 		{@render children()}
 	</ThemeWrapper>
 </ParaglideJS>
diff --git a/apps/desktop/src/routes/app/extension/store/+page.svelte b/apps/desktop/src/routes/app/extension/store/+page.svelte
index 4805a94..115d426 100644
--- a/apps/desktop/src/routes/app/extension/store/+page.svelte
+++ b/apps/desktop/src/routes/app/extension/store/+page.svelte
@@ -17,8 +17,9 @@
 	import { platform } from "@tauri-apps/plugin-os"
 	import { goto } from "$app/navigation"
 	import { ArrowLeft } from "lucide-svelte"
-	import type { Snippet } from "svelte"
+	import { onMount, type Snippet } from "svelte"
 	import { toast } from "svelte-sonner"
+	import type { Action as SvelteAction } from "svelte/action"
 	import { getInstallExtras } from "./[identifier]/helper.js"
 
 	let { data } = $props()
@@ -38,6 +39,38 @@
 	// 	)
 	// }
 
+	onMount(() => {
+		// setTimeout(() => {
+		// 	console.log("focus", listviewInputRef)
+		// 	listviewInputRef?.focus()
+		// }, 3_000)
+	})
+
+	const inputAction: SvelteAction = (node) => {
+		// the node has been mounted in the DOM
+
+		$effect(() => {
+			// setup goes here
+			console.log("inputAction", node)
+			listviewInputRef?.focus()
+			return () => {
+				// teardown goes here
+			}
+		})
+	}
+
+	$effect(() => {
+		function docKeyDown(e: KeyboardEvent) {
+			if (e.key === "/") {
+				listviewInputRef?.focus()
+			}
+		}
+		document.addEventListener("keydown", docKeyDown)
+		return () => {
+			document.removeEventListener("keydown", docKeyDown)
+		}
+	})
+
 	function onExtItemSelected(ext: SBExt) {
 		goto(`./store/${ext.identifier}`)
 	}
@@ -142,7 +175,7 @@
 	<CustomCommandInput
 		bind:ref={listviewInputRef}
 		autofocus
-		placeholder="Type a command or search..."
+		placeholder="Type / to focus"
 		leftSlot={leftSlot as Snippet}
 		bind:value={$appState.searchTerm}
 		onkeydown={(e) => {
diff --git a/apps/desktop/src/routes/app/extension/store/+page.ts b/apps/desktop/src/routes/app/extension/store/+page.ts
index c34e63f..7a8e681 100644
--- a/apps/desktop/src/routes/app/extension/store/+page.ts
+++ b/apps/desktop/src/routes/app/extension/store/+page.ts
@@ -1,43 +1,51 @@
-import { appConfig, extensions, installedStoreExts } from "@/stores"
+import { appConfig, appState, extensions, installedStoreExts } from "@/stores"
 import { supabaseAPI } from "@/supabase"
 import type { ExtPackageJsonExtra } from "@kksh/api/models"
 import { isExtPathInDev, isUpgradable } from "@kksh/extension"
 import { SBExt } from "@kksh/supabase/models"
+import { sleep } from "@kksh/utils"
 import { error } from "@sveltejs/kit"
 import { derived, get, type Readable } from "svelte/store"
 import type { PageLoad } from "./$types"
 
-export const load: PageLoad = async (): Promise<{
+export const load: PageLoad = (): Promise<{
 	storeExtList: SBExt[]
 	installedStoreExts: Readable<ExtPackageJsonExtra[]>
 	installedExtsMap: Readable<Record<string, string>>
 	upgradableExpsMap: Readable<Record<string, boolean>>
 }> => {
-	const storeExtList = await supabaseAPI.getExtList()
-	// map identifier to extItem
-	const storeExtsMap = Object.fromEntries(storeExtList.map((ext) => [ext.identifier, ext]))
-	const _appConfig = get(appConfig)
-	// const installedStoreExts = derived(extensions, ($extensions) => {
-	// 	if (!_appConfig.extensionPath) return []
-	// 	return $extensions.filter((ext) => !isExtPathInDev(_appConfig.extensionPath!, ext.extPath))
-	// })
-	// map installed extension identifier to version
-	const installedExtsMap = derived(installedStoreExts, ($exts) =>
-		Object.fromEntries($exts.map((ext) => [ext.kunkun.identifier, ext.version]))
-	)
-	const upgradableExpsMap = derived(installedStoreExts, ($exts) =>
-		Object.fromEntries(
-			$exts.map((ext) => {
-				const dbExt: SBExt | undefined = storeExtsMap[ext.kunkun.identifier]
-				return [ext.kunkun.identifier, dbExt ? isUpgradable(dbExt, ext.version) : false]
-			})
-		)
-	)
+	appState.setFullScreenLoading(true)
+	return supabaseAPI
+		.getExtList()
+		.then(async (storeExtList) => {
+			// map identifier to extItem
+			const storeExtsMap = Object.fromEntries(storeExtList.map((ext) => [ext.identifier, ext]))
+			// const _appConfig = get(appConfig)
+			// const installedStoreExts = derived(extensions, ($extensions) => {
+			// 	if (!_appConfig.extensionPath) return []
+			// 	return $extensions.filter((ext) => !isExtPathInDev(_appConfig.extensionPath!, ext.extPath))
+			// })
+			// map installed extension identifier to version
+			const installedExtsMap = derived(installedStoreExts, ($exts) =>
+				Object.fromEntries($exts.map((ext) => [ext.kunkun.identifier, ext.version]))
+			)
+			const upgradableExpsMap = derived(installedStoreExts, ($exts) =>
+				Object.fromEntries(
+					$exts.map((ext) => {
+						const dbExt: SBExt | undefined = storeExtsMap[ext.kunkun.identifier]
+						return [ext.kunkun.identifier, dbExt ? isUpgradable(dbExt, ext.version) : false]
+					})
+				)
+			)
 
-	return {
-		storeExtList,
-		installedStoreExts,
-		installedExtsMap,
-		upgradableExpsMap
-	}
+			return {
+				storeExtList,
+				installedStoreExts,
+				installedExtsMap,
+				upgradableExpsMap
+			}
+		})
+		.finally(() => {
+			appState.setFullScreenLoading(false)
+		})
 }
diff --git a/apps/desktop/src/routes/app/extension/store/[identifier]/+page.ts b/apps/desktop/src/routes/app/extension/store/[identifier]/+page.ts
index 9314102..9994a21 100644
--- a/apps/desktop/src/routes/app/extension/store/[identifier]/+page.ts
+++ b/apps/desktop/src/routes/app/extension/store/[identifier]/+page.ts
@@ -1,14 +1,15 @@
-import { extensions } from "@/stores"
+import { appState, extensions } from "@/stores"
 import { supabaseAPI } from "@/supabase"
 import { KunkunExtManifest, type ExtPackageJsonExtra } from "@kksh/api/models"
 import { ExtPublishMetadata } from "@kksh/supabase/models"
 import type { Tables } from "@kksh/supabase/types"
+import { sleep } from "@kksh/utils"
 import { error } from "@sveltejs/kit"
 import { toast } from "svelte-sonner"
 import * as v from "valibot"
 import type { PageLoad } from "./$types"
 
-export const load: PageLoad = async ({
+export const load: PageLoad = ({
 	params
 }): Promise<{
 	extPublish: Tables<"ext_publish"> & { metadata: ExtPublishMetadata }
@@ -18,36 +19,41 @@ export const load: PageLoad = async ({
 		identifier: string
 	}
 }> => {
-	const { error: dbError, data: extPublish } = await supabaseAPI.getLatestExtPublish(
-		params.identifier
-	)
-	const metadataParse = v.safeParse(ExtPublishMetadata, extPublish?.metadata ?? {})
-	if (dbError) {
-		return error(400, {
-			message: dbError.message
-		})
-	}
-	const metadata = metadataParse.success ? metadataParse.output : {}
-	const parseManifest = v.safeParse(KunkunExtManifest, extPublish.manifest)
-	if (!parseManifest.success) {
-		const errMsg = "Invalid extension manifest, you may need to upgrade your app."
-		toast.error(errMsg)
-		throw error(400, errMsg)
-	}
+	appState.setFullScreenLoading(true)
+	return supabaseAPI
+		.getLatestExtPublish(params.identifier)
+		.then(async ({ error: dbError, data: extPublish }) => {
+			const metadataParse = v.safeParse(ExtPublishMetadata, extPublish?.metadata ?? {})
+			if (dbError) {
+				return error(400, {
+					message: dbError.message
+				})
+			}
+			const metadata = metadataParse.success ? metadataParse.output : {}
+			const parseManifest = v.safeParse(KunkunExtManifest, extPublish.manifest)
+			if (!parseManifest.success) {
+				const errMsg = "Invalid extension manifest, you may need to upgrade your app."
+				toast.error(errMsg)
+				throw error(400, errMsg)
+			}
 
-	const { data: ext, error: extError } = await supabaseAPI.getExtension(params.identifier)
-	if (extError) {
-		return error(400, {
-			message: extError.message
-		})
-	}
+			const { data: ext, error: extError } = await supabaseAPI.getExtension(params.identifier)
+			if (extError) {
+				return error(400, {
+					message: extError.message
+				})
+			}
 
-	return {
-		extPublish: { ...extPublish, metadata },
-		ext,
-		params,
-		manifest: parseManifest.output
-	}
+			return {
+				extPublish: { ...extPublish, metadata },
+				ext,
+				params,
+				manifest: parseManifest.output
+			}
+		})
+		.finally(() => {
+			appState.setFullScreenLoading(false)
+		})
 }
 
 export const csr = true
diff --git a/apps/desktop/tailwind.config.ts b/apps/desktop/tailwind.config.ts
index b290bd7..1ac6cb6 100644
--- a/apps/desktop/tailwind.config.ts
+++ b/apps/desktop/tailwind.config.ts
@@ -86,12 +86,18 @@ const config: Config = {
 				"caret-blink": {
 					"0%,70%,100%": { opacity: "1" },
 					"20%,50%": { opacity: "0" }
+				},
+				"border-beam": {
+					"100%": {
+						"offset-distance": "100%"
+					}
 				}
 			},
 			animation: {
 				"accordion-down": "accordion-down 0.2s ease-out",
 				"accordion-up": "accordion-up 0.2s ease-out",
-				"caret-blink": "caret-blink 1.25s ease-out infinite"
+				"caret-blink": "caret-blink 1.25s ease-out infinite",
+				"border-beam": "border-beam calc(var(--duration)*1s) infinite linear"
 			}
 		}
 	},
diff --git a/packages/types/src/appState.ts b/packages/types/src/appState.ts
index e6e04f6..969249a 100644
--- a/packages/types/src/appState.ts
+++ b/packages/types/src/appState.ts
@@ -7,4 +7,5 @@ export interface AppState {
 	defaultAction: string | null
 	actionPanel?: ActionSchema.ActionPanel
 	lockHideOnBlur: boolean
+	fullScreenLoading: boolean
 }
diff --git a/packages/ui/src/components/layouts/center.svelte b/packages/ui/src/components/layouts/center.svelte
index 8cd1456..ca540a4 100644
--- a/packages/ui/src/components/layouts/center.svelte
+++ b/packages/ui/src/components/layouts/center.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { cn } from "@kksh/ui/utils"
 	import { type Snippet } from "svelte"
+	import { fade } from "svelte/transition"
 
 	const {
 		children,
@@ -10,6 +11,6 @@
 	}: { children: Snippet; class?: string; [key: string]: any } = $props()
 </script>
 
-<div class={cn("flex items-center justify-center", className)} {...restProps}>
+<div transition:fade class={cn("flex items-center justify-center", className)} {...restProps}>
 	{@render children?.()}
 </div>
diff --git a/packages/utils/__tests__/compress.test.ts b/packages/utils/__tests__/compress.test.ts
index c0c3017..d9095c6 100644
--- a/packages/utils/__tests__/compress.test.ts
+++ b/packages/utils/__tests__/compress.test.ts
@@ -1,5 +1,4 @@
 import { expect, test } from "bun:test"
-import { compress, decompress } from "lz-string"
 import { compressString, decompressString } from "../src"
 
 test("decompressString", async () => {
diff --git a/packages/utils/src/serde.ts b/packages/utils/src/serde.ts
index bd0b9fb..42fdd4d 100644
--- a/packages/utils/src/serde.ts
+++ b/packages/utils/src/serde.ts
@@ -1,4 +1,6 @@
-import { compressToBase64, decompressFromBase64 } from "lz-string"
+import lzString from "lz-string"
+
+const { compressToBase64, decompressFromBase64 } = lzString
 
 /**
  * This file contains the deserialization and compression functions I designed for the grid animation.