diff --git a/apps/desktop/src/lib/cmds/ext.ts b/apps/desktop/src/lib/cmds/ext.ts
index 901c7ac..80caa59 100644
--- a/apps/desktop/src/lib/cmds/ext.ts
+++ b/apps/desktop/src/lib/cmds/ext.ts
@@ -92,7 +92,9 @@ export async function onCustomUiCmdSelect(
 	if (useDevMain) {
 		url = cmd.devMain
 	} else {
-		url = decodeURIComponent(convertFileSrc(`${trimSlash(cmd.main)}`, "ext"))
+		url = cmd.main.startsWith("http")
+			? cmd.main
+			: decodeURIComponent(convertFileSrc(`${trimSlash(cmd.main)}`, "ext"))
 	}
 	let url2 = `/app/extension/ui-iframe?url=${encodeURIComponent(url)}&extPath=${encodeURIComponent(ext.extPath)}`
 	if (cmd.window) {
diff --git a/apps/desktop/src/routes/app/extension/store/[identifier]/+page.svelte b/apps/desktop/src/routes/app/extension/store/[identifier]/+page.svelte
index c42737f..7320a8e 100644
--- a/apps/desktop/src/routes/app/extension/store/[identifier]/+page.svelte
+++ b/apps/desktop/src/routes/app/extension/store/[identifier]/+page.svelte
@@ -10,7 +10,7 @@
 	import { Constants } from "@kksh/ui"
 	import { StoreExtDetail } from "@kksh/ui/extension"
 	import { greaterThan, parse as parseSemver } from "@std/semver"
-	import { error } from "@tauri-apps/plugin-log"
+	import { error, info } from "@tauri-apps/plugin-log"
 	import { goto } from "$app/navigation"
 	import { ArrowLeftIcon } from "lucide-svelte"
 	import { onMount } from "svelte"
@@ -81,6 +81,7 @@
 			.installFromTarballUrl(tarballUrl, installDir, installExtras)
 			.then(() => toast.success(`Plugin ${ext.name} Installed`))
 			.then((loadedExt) => {
+				info(`Successfully installed ${ext.name}`)
 				supabaseAPI.incrementDownloads({
 					identifier: ext.identifier,
 					version: ext.version
@@ -89,7 +90,7 @@
 				showBtn.uninstall = true
 			})
 			.catch((err) => {
-				console.error("err", err)
+				error(`Fail to install tarball (${ext.identifier}): ${err}`)
 				toast.error("Fail to install tarball", { description: err })
 			})
 			.finally(() => {
diff --git a/apps/desktop/src/routes/app/extension/ui-iframe/+page.svelte b/apps/desktop/src/routes/app/extension/ui-iframe/+page.svelte
index a2fdab3..f3e2278 100644
--- a/apps/desktop/src/routes/app/extension/ui-iframe/+page.svelte
+++ b/apps/desktop/src/routes/app/extension/ui-iframe/+page.svelte
@@ -132,7 +132,9 @@
 	}
 
 	onMount(() => {
-		appWin.show()
+		setTimeout(() => {
+			appWin.show()
+		}, 200)
 		if (iframeRef?.contentWindow) {
 			const io = new IframeParentIO(iframeRef.contentWindow)
 			const rpc = new RPCChannel(io, { expose: serverAPI })
diff --git a/apps/desktop/src/routes/app/settings/extensions/+page.svelte b/apps/desktop/src/routes/app/settings/extensions/+page.svelte
index b0a231c..3ef3f95 100644
--- a/apps/desktop/src/routes/app/settings/extensions/+page.svelte
+++ b/apps/desktop/src/routes/app/settings/extensions/+page.svelte
@@ -8,7 +8,10 @@
 	import { toast } from "svelte-sonner"
 	import { derived, get } from "svelte/store"
 
+	let uninstalling = $state(false)
+
 	function onUninstall(ext: ExtPackageJsonExtra) {
+		uninstalling = true
 		const extContainerPath = get(appConfig).extensionsInstallDir
 		const isDev = extContainerPath && extAPI.isExtPathInDev(extContainerPath, ext.extPath)
 		console.log("uninstall extension (isDev): ", isDev)
@@ -25,7 +28,9 @@
 				toast.error("Fail to uninstall extension", { description: err })
 				error(`Fail to uninstall store extension (${ext.kunkun.identifier}): ${err}`)
 			})
-			.finally(() => {})
+			.finally(() => {
+				uninstalling = false
+			})
 	}
 </script>
 
@@ -36,7 +41,12 @@
 		<Table.Cell>{type}</Table.Cell>
 		<Table.Cell>{ext.version}</Table.Cell>
 		<Table.Cell>
-			<Button variant="destructive" size="icon" onclick={() => onUninstall(ext)}>
+			<Button
+				variant="destructive"
+				size="icon"
+				disabled={uninstalling}
+				onclick={() => onUninstall(ext)}
+			>
 				<TrashIcon />
 			</Button>
 		</Table.Cell>