diff --git a/app/renderer/src/main/src/pages/KnowledgeBase/compoment/AddKnowledgeBaseModal.tsx b/app/renderer/src/main/src/pages/KnowledgeBase/compoment/AddKnowledgeBaseModal.tsx
index 991bb7ab97..f2970f64bd 100644
--- a/app/renderer/src/main/src/pages/KnowledgeBase/compoment/AddKnowledgeBaseModal.tsx
+++ b/app/renderer/src/main/src/pages/KnowledgeBase/compoment/AddKnowledgeBaseModal.tsx
@@ -4,7 +4,7 @@ import { YakitInputNumber } from '@/components/yakitUI/YakitInputNumber/YakitInp
 import { YakitModal } from '@/components/yakitUI/YakitModal/YakitModal'
 import { Collapse, Form } from 'antd'
 import { Dispatch, FC, SetStateAction } from 'react'
-import { getFileInfoList } from '../utils'
+import { getFileInfoList, ValidatorFilePath } from '../utils'
 import { randomString } from '@/utils/randomUtil'
 import { useKnowledgeBase } from '../hooks/useKnowledgeBase'
 import { success } from '@/utils/notification'
@@ -83,28 +83,7 @@ const AddKnowledgeBaseModal: FC<AddKnowledgeBaseModalProps> = ({
             label: '上传文件',
             rules: [
               {
-                validator: (_, value) => {
-                  if (!value) {
-                    return Promise.reject('请上传文件')
-                  }
-
-                  // 多个文件用逗号分隔
-                  const files = value.split(',').map((i) => i.trim())
-
-                  // 校验格式：必须有文件名 + 后缀
-                  const reg = /^[^.\/]+?\.[^.\/]+$/
-
-                  for (const file of files) {
-                    // 取文件名 (兼容 windows、mac 路径)
-                    const fileName = file.split('/').pop()?.split('\\').pop()
-
-                    if (!fileName || !reg.test(fileName)) {
-                      return Promise.reject('请上传有效的文件')
-                    }
-                  }
-
-                  return Promise.resolve()
-                },
+                validator: ValidatorFilePath,
               },
             ],
           }}
diff --git a/app/renderer/src/main/src/pages/KnowledgeBase/compoment/CreateKnowledgeBase.tsx b/app/renderer/src/main/src/pages/KnowledgeBase/compoment/CreateKnowledgeBase.tsx
index 1111250927..60c6162e14 100644
--- a/app/renderer/src/main/src/pages/KnowledgeBase/compoment/CreateKnowledgeBase.tsx
+++ b/app/renderer/src/main/src/pages/KnowledgeBase/compoment/CreateKnowledgeBase.tsx
@@ -12,7 +12,7 @@ import { YakitFormDragger } from '@/components/yakitUI/YakitForm/YakitForm'
 import type { FormInstance } from 'antd/es/form/Form'
 import YakitCollapse from '@/components/yakitUI/YakitCollapse/YakitCollapse'
 import styles from '../knowledgeBase.module.scss'
-import { extractFileName, knowledgeTypeOptions } from '../utils'
+import { extractFileName, knowledgeTypeOptions, ValidatorFilePath } from '../utils'
 import { useKnowledgeBase } from '../hooks/useKnowledgeBase'
 import { YakitRadioButtons } from '@/components/yakitUI/YakitRadioButtons/YakitRadioButtons'
 import classNames from 'classnames'
@@ -78,28 +78,7 @@ const CreateKnowledgeBase: FC<{ form: FormInstance<any>; type?: 'new' }> = ({ fo
           label: '上传文件',
           rules: [
             {
-              validator: (_, value) => {
-                if (value) {
-                  // 多个文件用逗号分隔
-                  const files = value.split(',').map((i) => i.trim())
-
-                  // 校验格式：必须有文件名 + 后缀
-                  const reg = /^[^.\/]+?\.[^.\/]+$/
-
-                  for (const file of files) {
-                    // 取文件名 (兼容 windows、mac 路径)
-                    const fileName = file.split('/').pop()?.split('\\').pop()
-
-                    if (!fileName || !reg.test(fileName)) {
-                      return Promise.reject('请上传有效的文件')
-                    }
-                  }
-
-                  return Promise.resolve()
-                } else {
-                  return Promise.resolve()
-                }
-              },
+              validator: ValidatorFilePath,
             },
           ],
         }}
diff --git a/app/renderer/src/main/src/pages/KnowledgeBase/compoment/ImportModal.tsx b/app/renderer/src/main/src/pages/KnowledgeBase/compoment/ImportModal.tsx
index aa7dd4c986..1191c708a4 100644
--- a/app/renderer/src/main/src/pages/KnowledgeBase/compoment/ImportModal.tsx
+++ b/app/renderer/src/main/src/pages/KnowledgeBase/compoment/ImportModal.tsx
@@ -9,7 +9,7 @@ import { Dispatch, SetStateAction, useEffect, useRef } from 'react'
 import { YakitFormDragger } from '@/components/yakitUI/YakitForm/YakitForm'
 import { KnowledgeBaseContentProps } from '../TKnowledgeBase'
 import { KnowledgeBaseItem, useKnowledgeBase } from '../hooks/useKnowledgeBase'
-import { extractFileName } from '../utils'
+import { extractFileName, ValidatorFilePath } from '../utils'
 import useGetSetState from '@/pages/pluginHub/hooks/useGetSetState'
 import { randomString } from '@/utils/randomUtil'
 
@@ -201,28 +201,7 @@ const ImportModal: React.FC<TImportModalProps> = (props) => {
             name: 'importPath',
             rules: [
               {
-                validator: (_, value) => {
-                  if (!value) {
-                    return Promise.reject('请上传文件')
-                  }
-
-                  // 多个文件用逗号分隔
-                  const files = value.split(',').map((i) => i.trim())
-
-                  // 校验格式：必须有文件名 + 后缀
-                  const reg = /^[^.\/]+?\.[^.\/]+$/
-
-                  for (const file of files) {
-                    // 取文件名 (兼容 windows、mac 路径)
-                    const fileName = file.split('/').pop()?.split('\\').pop()
-
-                    if (!fileName || !reg.test(fileName)) {
-                      return Promise.reject('请上传有效的文件')
-                    }
-                  }
-
-                  return Promise.resolve()
-                },
+                validator: ValidatorFilePath,
               },
             ],
           }}
diff --git a/app/renderer/src/main/src/pages/KnowledgeBase/utils.tsx b/app/renderer/src/main/src/pages/KnowledgeBase/utils.tsx
index e6aaa0aef8..4cf0b105cb 100644
--- a/app/renderer/src/main/src/pages/KnowledgeBase/utils.tsx
+++ b/app/renderer/src/main/src/pages/KnowledgeBase/utils.tsx
@@ -47,6 +47,7 @@ import joyrideFirstStepImg from '@/pages/KnowledgeBase/images/joyride-first-step
 import knowledgeJoyrideThree from '@/pages/KnowledgeBase/images/knowledge-joyride-three.mp4'
 import { Step } from 'react-joyride'
 import styles from './knowledgeBase.module.scss'
+import { RuleObject } from 'antd/lib/form'
 
 const { ipcRenderer } = window.require('electron')
 
@@ -1041,6 +1042,30 @@ const downloadOnlineRagWithEvents = (
 
 const exclude = ['llama-server', 'model-Qwen3-Embedding-0.6B-Q4']
 
+type TValidatorFilePath = (_: RuleObject, value: string) => Promise<any>
+
+const ValidatorFilePath: TValidatorFilePath = (_, value) => {
+  if (!value) {
+    return Promise.reject('请上传文件')
+  }
+
+  const files = value.split(',').map((i) => i.trim())
+
+  for (const file of files) {
+    // 兼容 windows/mac
+    const fileName = file.split('/').pop()?.split('\\').pop()
+
+    // 必须存在扩展名
+    const reg = /^.+\.[^.]+$/
+
+    if (!fileName || !reg.test(fileName)) {
+      return Promise.reject('请上传有效的文件')
+    }
+  }
+
+  return Promise.resolve()
+}
+
 export {
   targetInstallList,
   getFileInfoList,
@@ -1076,4 +1101,5 @@ export {
   downloadWithEvents,
   downloadOnlineRagWithEvents,
   exclude,
+  ValidatorFilePath,
 }