diff --git a/extensions/engine-management-extension/package.json b/extensions/engine-management-extension/package.json
index de690c1ab6..bc21f3957d 100644
--- a/extensions/engine-management-extension/package.json
+++ b/extensions/engine-management-extension/package.json
@@ -26,7 +26,7 @@
     "webpack-cli": "^5.1.4"
   },
   "dependencies": {
-    "@janhq/core": "file:../../core",
+    "@janhq/core": "../../core/package.tgz",
     "cpu-instructions": "^0.0.13",
     "ky": "^1.7.2",
     "p-queue": "^8.0.1"
diff --git a/extensions/inference-cortex-extension/src/index.ts b/extensions/inference-cortex-extension/src/index.ts
index b631a048f9..ba9cb3b369 100644
--- a/extensions/inference-cortex-extension/src/index.ts
+++ b/extensions/inference-cortex-extension/src/index.ts
@@ -289,7 +289,10 @@ export default class JanInferenceCortexExtension extends LocalOAIEngine {
             )
 
             if (data.task.type === 'Engine') {
-              events.emit(EngineEvent.OnEngineUpdate, {})
+              events.emit(EngineEvent.OnEngineUpdate, {
+                type: data.type,
+                percent: percent,
+              })
             } else {
               if (data.type === DownloadTypes.DownloadSuccess) {
                 // Delay for the state update from cortex.cpp
diff --git a/web/containers/Providers/EventListener.tsx b/web/containers/Providers/EventListener.tsx
index f28057626f..55c172beb8 100644
--- a/web/containers/Providers/EventListener.tsx
+++ b/web/containers/Providers/EventListener.tsx
@@ -96,10 +96,7 @@ const EventListener = () => {
   const onFileDownloadSuccess = useCallback(
     async (state: DownloadState) => {
       console.debug('onFileDownloadSuccess', state)
-      if (
-        state.downloadType !== 'extension' &&
-        state.downloadType !== 'Engine'
-      ) {
+      if (state.downloadType !== 'extension') {
         // Update model metadata accordingly
         const model = ModelManager.instance().models.get(state.modelId)
         if (model) {
@@ -111,6 +108,12 @@ const EventListener = () => {
               ...model.parameters,
             } as Partial<Model>)
             .catch((e) => console.debug(e))
+
+          toaster({
+            title: 'Download Completed',
+            description: `Download ${state.modelId} completed`,
+            type: 'success',
+          })
         }
         state.downloadState = 'end'
         setDownloadState(state)
diff --git a/web/hooks/useDownloadState.ts b/web/hooks/useDownloadState.ts
index 32a9d32556..632ca31a8f 100644
--- a/web/hooks/useDownloadState.ts
+++ b/web/hooks/useDownloadState.ts
@@ -54,11 +54,6 @@ export const setDownloadStateAtom = atom(
             (e) => e.id === state.modelId
           )
           if (model) set(downloadedModelsAtom, (prev) => [...prev, model])
-          toaster({
-            title: 'Download Completed',
-            description: `Download ${state.modelId} completed`,
-            type: 'success',
-          })
         }
       } else if (state.downloadState === 'error') {
         // download error
diff --git a/web/screens/Settings/Engines/Settings.tsx b/web/screens/Settings/Engines/Settings.tsx
index 4fd04d85a9..572e8f1ef5 100644
--- a/web/screens/Settings/Engines/Settings.tsx
+++ b/web/screens/Settings/Engines/Settings.tsx
@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import React, { useCallback, useEffect, useState } from 'react'
+import React, { useCallback, useEffect, useMemo, useState } from 'react'
 
 import { EngineEvent, events, InferenceEngine } from '@janhq/core'
 import { Button, ScrollArea, Badge, Select } from '@janhq/joi'
@@ -67,6 +67,14 @@ const EngineSettings = ({ engine }: { engine: InferenceEngine }) => {
     defaultEngineVariant?.variant
   )
 
+  const selectedVariant = useMemo(
+    () =>
+      options?.map((e) => e.value).includes(selectedVariants)
+        ? selectedVariants
+        : undefined,
+    [selectedVariants, options]
+  )
+
   useEffect(() => {
     if (defaultEngineVariant?.variant) {
       setSelectedVariants(defaultEngineVariant.variant || '')
@@ -157,7 +165,7 @@ const EngineSettings = ({ engine }: { engine: InferenceEngine }) => {
                 <div className="flex flex-shrink-0 items-center gap-x-3">
                   <div className="flex w-full min-w-[180px]">
                     <Select
-                      value={selectedVariants}
+                      value={selectedVariant}
                       placeholder="Select variant"
                       onValueChange={(e) => handleChangeVariant(e)}
                       options={options}