diff --git a/src/components/VideoModal/index.vue b/src/components/VideoModal/index.vue
index ff339c3..d358449 100644
--- a/src/components/VideoModal/index.vue
+++ b/src/components/VideoModal/index.vue
@@ -37,6 +37,9 @@
           <a-checkbox @change="onAllSelectedChange">
             全选
           </a-checkbox>
+          <a-checkbox v-model:checked="saveFilePrefix">
+            保留[P?]
+          </a-checkbox>
         </div>
       </div>
       <div v-if="videoInfo.page && videoInfo.page.length > 1" class="fr ac warp mt16">
@@ -76,6 +79,7 @@ const videoInfo = ref<VideoData>(videoData)
 const selected = ref<number[]>([])
 const allSelected = ref<boolean>(false)
 const router = useRouter()
+const saveFilePrefix = ref<boolean>(true)
 
 const cancel = () => {
   visible.value = false
@@ -87,7 +91,7 @@ const cancel = () => {
 const handleDownload = async () => {
   confirmLoading.value = true
   // 获取当前选中视频的下载数据
-  const list = await getDownloadList(toRaw(videoInfo.value), toRaw(selected.value), quality.value)
+  const list = await getDownloadList(toRaw(videoInfo.value), toRaw(selected.value), quality.value, undefined, undefined, saveFilePrefix.value)
   console.log('list-->', list)
   const taskList = addDownload(list)
   store.taskStore().setTask(taskList)
@@ -110,6 +114,7 @@ const handleDownload = async () => {
 }
 
 const open = (data: VideoData) => {
+  saveFilePrefix.value = true
   const quality = userQuality[store.baseStore().loginStatus]
   // 过滤掉 不合法的清晰度
   data.qualityOptions = data.qualityOptions.filter((item: any) => quality.includes(item.value))
diff --git a/src/core/bilibili.ts b/src/core/bilibili.ts
index 9924f95..b33a2c4 100644
--- a/src/core/bilibili.ts
+++ b/src/core/bilibili.ts
@@ -14,7 +14,7 @@ const nanoid = customAlphabet(alphabet, 16)
  * @params videoInfo: 当前下载的视频详情 selected：所选的分p quality：所选的清晰度
  * @returns 返回下载数据 Array
  */
-const getDownloadList = async (videoInfo: VideoData, selected: number[], quality: number, isReload = false, oldTask?: VideoData) => {
+const getDownloadList = async (videoInfo: VideoData, selected: number[], quality: number, isReload = false, oldTask?: VideoData, saveFilePrefix = true) => {
   const downloadList: VideoData[] = []
   const limit = pLimit(8)
   const selectedLen = selected.length
@@ -72,8 +72,8 @@ const getDownloadList = async (videoInfo: VideoData, selected: number[], quality
         cid: currentCid,
         bvid: currentBvid,
         downloadUrl,
-        filePathList: handleFilePathList(selectedLen === 1 && !isReload ? 0 : currentPage, currentPageData.title, tempVideoInfo, currentBvid, taskId),
-        fileDir: handleFileDir(selectedLen === 1 && !isReload ? 0 : currentPage, currentPageData.title, tempVideoInfo, currentBvid, taskId),
+        filePathList: handleFilePathList(selectedLen === 1 && !isReload ? 0 : currentPage, currentPageData.title, tempVideoInfo, currentBvid, taskId, saveFilePrefix),
+        fileDir: handleFileDir(selectedLen === 1 && !isReload ? 0 : currentPage, currentPageData.title, tempVideoInfo, currentBvid, taskId, saveFilePrefix),
         subtitle
       }
       downloadList.push(videoData)
@@ -184,11 +184,12 @@ const checkUrl = (url: string) => {
 
 // 检查url是否有重定向
 const checkUrlRedirect = async (videoUrl: string) => {
+  const ua = randUserAgent()
   const params = {
     videoUrl,
     config: {
       headers: {
-        'User-Agent': randUserAgent(),
+        'User-Agent': ua,
         cookie: `SESSDATA=${store.settingStore(pinia).SESSDATA}`
       }
     }
@@ -599,14 +600,14 @@ const getSubtitle = async (cid: number, bvid: string) => {
 }
 
 // 处理filePathList
-const handleFilePathList = (page: number, title: string, videoInfo: VideoData, bvid: string, id: string): string[] => {
+const handleFilePathList = (page: number, title: string, videoInfo: VideoData, bvid: string, id: string, saveFilePrefix = true): string[] => {
   const up = videoInfo.up[0].name
   const collectionName = (Array.isArray(videoInfo.page) && videoInfo.page.length > 1)
     ? videoInfo.page[0].collectionName
     : ''
   const storeDownloadPath = store.settingStore().downloadPath
-  const downloadPath = collectionName ? `${storeDownloadPath}/${collectionName}${up ? `-${up}` : ''}` : storeDownloadPath
-  const name = `${!page ? '' : `[P${page}]`}${filterTitle(`${title}${up ? `-${up}` : ''}-${bvid}-${id}`)}`
+  const downloadPath = collectionName ? `${storeDownloadPath}/${up ? `${up}-` : ''}${collectionName}` : storeDownloadPath
+  const name = `${(page && saveFilePrefix) ? `[P${page}]` : ''}${filterTitle(`${up ? `${up}-` : ''}${title}-${bvid}-${id}`)}`
   const isFolder = store.settingStore().isFolder
   let pathList = [
     `${downloadPath}/${name}.mp4`,
@@ -628,15 +629,14 @@ const handleFilePathList = (page: number, title: string, videoInfo: VideoData, b
 }
 
 // 处理fileDir
-const handleFileDir = (page: number, title: string, videoInfo: VideoData, bvid: string, id: string): string => {
+const handleFileDir = (page: number, title: string, videoInfo: VideoData, bvid: string, id: string, saveFilePrefix = true): string => {
   const up = videoInfo.up[0].name
   const collectionName = (Array.isArray(videoInfo.page) && videoInfo.page.length > 1)
     ? videoInfo.page[0].collectionName
     : ''
   const storeDownloadPath = store.settingStore().downloadPath
-  const downloadPath = collectionName ? `${storeDownloadPath}/${collectionName}${up ? `-${up}` : ''}` : storeDownloadPath
-
-  const name = `${!page ? '' : `[P${page}]`}${filterTitle(`${title}${up ? `-${up}` : ''}-${bvid}-${id}`)}`
+  const downloadPath = collectionName ? `${storeDownloadPath}/${up ? `${up}-` : ''}${collectionName}` : storeDownloadPath
+  const name = `${(page && saveFilePrefix) ? `[P${page}]` : ''}${filterTitle(`${up ? `${up}-` : ''}${title}-${bvid}-${id}`)}`
   const isFolder = store.settingStore().isFolder
   return `${downloadPath}${isFolder ? `/${name}/` : ''}`
 }
diff --git a/src/utils/randUA.ts b/src/utils/randUA.ts
index 115311a..7609747 100644
--- a/src/utils/randUA.ts
+++ b/src/utils/randUA.ts
@@ -5,7 +5,7 @@ const userAgent = new UserAgent({
   deviceCategory: 'desktop'
 })
 function randUserAgent () {
-  return userAgent.random().toString()
+  return `${userAgent.random().toString()} ${Math.floor(Math.random() * 100000)}`
 }
 
 export {