diff --git a/src/preload/index.ts b/src/preload/index.ts
index 4a1362e7..67ddf192 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -94,6 +94,9 @@ try {
     },
     mime: {
       lookup: mime.getType
+    },
+    buffer: {
+      from: Buffer.from
     }
   })
 } catch (error) {
diff --git a/src/renderer/components/ImageWebdav.vue b/src/renderer/components/ImageWebdav.vue
index 65d3f427..cad61f83 100644
--- a/src/renderer/components/ImageWebdav.vue
+++ b/src/renderer/components/ImageWebdav.vue
@@ -61,7 +61,8 @@ async function getWebdavHeader(key: string) {
     }
   } else {
     headers = {
-      Authorization: 'Basic ' + Buffer.from(`${props.config.username}:${props.config.password}`).toString('base64')
+      Authorization:
+        'Basic ' + window.node.buffer.from(`${props.config.username}:${props.config.password}`).toString('base64')
     }
   }
   return headers
diff --git a/src/renderer/manage/pages/BucketPage.vue b/src/renderer/manage/pages/BucketPage.vue
index fdbb96cc..e8ddaf3a 100644
--- a/src/renderer/manage/pages/BucketPage.vue
+++ b/src/renderer/manage/pages/BucketPage.vue
@@ -1756,7 +1756,7 @@ async function handleClickFile(item: any) {
   const options = {} as any
   if (currentPicBedName.value === 'webdavplist') {
     options.headers = {
-      Authorization: `Basic ${Buffer.from(`${manageStore.config.picBed[configMap.alias].username}:${manageStore.config.picBed[configMap.alias].password}`).toString('base64')}`
+      Authorization: `Basic ${window.node.buffer.from(`${manageStore.config.picBed[configMap.alias].username}:${manageStore.config.picBed[configMap.alias].password}`).toString('base64')}`
     }
   }
   if (item.isImage) {
diff --git a/src/universal/types/shims-tsx.d.ts b/src/universal/types/shims-tsx.d.ts
index 70060957..e5d0881b 100644
--- a/src/universal/types/shims-tsx.d.ts
+++ b/src/universal/types/shims-tsx.d.ts
@@ -63,6 +63,9 @@ declare global {
       mime: {
         lookup: typeof mime.getType
       }
+      buffer: {
+        from: typeof Buffer.from
+      }
     }
     i18n: {
       setLocales: (lang: string, locales: ILocales) => void