diff --git a/src/extensions/core/uploadAudio.ts b/src/extensions/core/uploadAudio.ts
index 54c90ed0b..94a16d04d 100644
--- a/src/extensions/core/uploadAudio.ts
+++ b/src/extensions/core/uploadAudio.ts
@@ -5,6 +5,7 @@ import { useNodeDragAndDrop } from '@/composables/node/useNodeDragAndDrop'
 import { useNodeFileInput } from '@/composables/node/useNodeFileInput'
 import { useNodePaste } from '@/composables/node/useNodePaste'
 import { t } from '@/i18n'
+import type { ResultItemType } from '@/schemas/apiSchema'
 import type { ComfyNodeDef } from '@/schemas/nodeDefSchema'
 import type { DOMWidget } from '@/scripts/domWidget'
 import { useToastStore } from '@/stores/toastStore'
@@ -12,8 +13,6 @@ import { useToastStore } from '@/stores/toastStore'
 import { api } from '../../scripts/api'
 import { app } from '../../scripts/app'
 
-type FolderType = 'input' | 'output' | 'temp'
-
 function splitFilePath(path: string): [string, string] {
   const folder_separator = path.lastIndexOf('/')
   if (folder_separator === -1) {
@@ -28,7 +27,7 @@ function splitFilePath(path: string): [string, string] {
 function getResourceURL(
   subfolder: string,
   filename: string,
-  type: FolderType = 'input'
+  type: ResultItemType = 'input'
 ): string {
   const params = [
     'filename=' + encodeURIComponent(filename),
diff --git a/src/schemas/apiSchema.ts b/src/schemas/apiSchema.ts
index a6d8eee27..c93e3e451 100644
--- a/src/schemas/apiSchema.ts
+++ b/src/schemas/apiSchema.ts
@@ -11,10 +11,13 @@ import { LinkReleaseTriggerAction } from '@/types/searchBoxTypes'
 const zNodeType = z.string()
 const zQueueIndex = z.number()
 const zPromptId = z.string()
+export const resultItemType = z.enum(['input', 'output', 'temp'])
+export type ResultItemType = z.infer<typeof resultItemType>
+
 const zResultItem = z.object({
   filename: z.string().optional(),
   subfolder: z.string().optional(),
-  type: z.string().optional()
+  type: resultItemType.optional()
 })
 export type ResultItem = z.infer<typeof zResultItem>
 const zOutputs = z
diff --git a/src/schemas/nodeDefSchema.ts b/src/schemas/nodeDefSchema.ts
index 928e05845..7e4ce0212 100644
--- a/src/schemas/nodeDefSchema.ts
+++ b/src/schemas/nodeDefSchema.ts
@@ -1,6 +1,8 @@
 import { z } from 'zod'
 import { fromZodError } from 'zod-validation-error'
 
+import { resultItemType } from '@/schemas/apiSchema'
+
 const zComboOption = z.union([z.string(), z.number()])
 const zRemoteWidgetConfig = z.object({
   route: z.string().url().or(z.string().startsWith('/')),
@@ -72,7 +74,7 @@ export const zStringInputOptions = zBaseInputOptions.extend({
 export const zComboInputOptions = zBaseInputOptions.extend({
   control_after_generate: z.boolean().optional(),
   image_upload: z.boolean().optional(),
-  image_folder: z.enum(['input', 'output', 'temp']).optional(),
+  image_folder: resultItemType.optional(),
   allow_batch: z.boolean().optional(),
   video_upload: z.boolean().optional(),
   animated_image_upload: z.boolean().optional(),
diff --git a/src/stores/imagePreviewStore.ts b/src/stores/imagePreviewStore.ts
index 83f5f8bcd..b6d88c9bb 100644
--- a/src/stores/imagePreviewStore.ts
+++ b/src/stores/imagePreviewStore.ts
@@ -1,7 +1,11 @@
 import { LGraphNode } from '@comfyorg/litegraph'
 import { defineStore } from 'pinia'
 
-import { ExecutedWsMessage, ResultItem } from '@/schemas/apiSchema'
+import {
+  ExecutedWsMessage,
+  ResultItem,
+  ResultItemType
+} from '@/schemas/apiSchema'
 import { api } from '@/scripts/api'
 import { app } from '@/scripts/app'
 import { parseFilePath } from '@/utils/formatUtil'
@@ -9,7 +13,7 @@ import { isVideoNode } from '@/utils/litegraphUtil'
 
 const createOutputs = (
   filenames: string[],
-  type: string,
+  type: ResultItemType,
   isAnimated: boolean
 ): ExecutedWsMessage['output'] => {
   return {
@@ -88,7 +92,7 @@ export const useNodeOutputStore = defineStore('nodeOutput', () => {
     {
       folder = 'input',
       isAnimated = false
-    }: { folder?: string; isAnimated?: boolean } = {}
+    }: { folder?: ResultItemType; isAnimated?: boolean } = {}
   ) {
     if (!filenames || !node) return