diff --git a/package-lock.json b/package-lock.json
index 20afd9d..836a983 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,10 @@
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         "progress": "^2.0.3",
         "socket.io-client": "^4.7.4",
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+        "webdav": "^5.3.1",
+        "zod": "^3.22.4",
+        "zod-validation-error": "^3.0.0"
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@@ -103,6 +106,32 @@
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+      "resolved": "https://registry.npmjs.org/@buttercup/fetch/-/fetch-0.1.2.tgz",
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+      "optionalDependencies": {
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+      }
+    },
+    "node_modules/@buttercup/fetch/node_modules/node-fetch": {
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+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.3.2.tgz",
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+        "formdata-polyfill": "^4.0.10"
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+      },
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-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
+    },
+    "node_modules/base-64": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/base-64/-/base-64-1.0.0.tgz",
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@@ -1462,6 +1495,11 @@
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+      "resolved": "https://registry.npmjs.org/byte-length/-/byte-length-1.0.2.tgz",
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+    },
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@@ -1532,6 +1570,14 @@
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+    "node_modules/charenc": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
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       "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
@@ -1688,6 +1734,23 @@
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+      "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
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+      "engines": {
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+    "node_modules/data-uri-to-buffer": {
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+      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
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@@ -2525,6 +2588,27 @@
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+    "node_modules/fast-xml-parser": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.3.4.tgz",
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+      "funding": [
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+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        },
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+          "url": "https://paypal.me/naturalintelligence"
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@@ -2534,6 +2618,29 @@
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+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
+      "integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "paypal",
+          "url": "https://paypal.me/jimmywarting"
+        }
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+      "optional": true,
+      "dependencies": {
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+        "web-streams-polyfill": "^3.0.3"
+      },
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+        "node": "^12.20 || >= 14.13"
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@@ -2642,6 +2749,18 @@
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       "dev": true
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+    "node_modules/formdata-polyfill": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
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+      },
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@@ -2948,11 +3067,24 @@
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+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
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+      "bin": {
+        "he": "bin/he"
+      }
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     "node_modules/help-me": {
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+    "node_modules/hot-patcher": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/hot-patcher/-/hot-patcher-2.0.1.tgz",
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@@ -3125,6 +3257,11 @@
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+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
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@@ -3260,6 +3397,11 @@
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+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/layerr/-/layerr-2.0.1.tgz",
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+    },
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@@ -3325,6 +3467,16 @@
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       "dev": true
     },
+    "node_modules/md5": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/md5/-/md5-2.3.0.tgz",
+      "integrity": "sha512-T1GITYmFaKuO91vxyoQMFETst+O71VUPEU3ze5GNzDm0OWdP8v1ziTaAEPUr/3kLsY3Sftgz242A1SetQiDL7g==",
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+        "crypt": "0.0.2",
+        "is-buffer": "~1.1.6"
+      }
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@@ -3538,6 +3690,11 @@
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+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/nested-property/-/nested-property-4.0.0.tgz",
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+    "node_modules/node-domexception": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "github",
+          "url": "https://paypal.me/jimmywarting"
+        }
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+      "optional": true,
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+    "node_modules/path-posix": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/path-posix/-/path-posix-1.0.0.tgz",
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@@ -4264,6 +4445,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
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+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
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+    },
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@@ -4439,6 +4625,11 @@
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
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@@ -4972,6 +5163,11 @@
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+    "node_modules/strnum": {
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+      "resolved": "https://registry.npmjs.org/strnum/-/strnum-1.0.5.tgz",
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@@ -5229,6 +5425,23 @@
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+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-5.0.0.tgz",
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+    "node_modules/url-parse": {
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+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
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@@ -5251,6 +5464,60 @@
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+      "resolved": "https://registry.npmjs.org/webdav/-/webdav-5.3.1.tgz",
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+        "base-64": "^1.0.0",
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+        "hot-patcher": "^2.0.0",
+        "layerr": "^2.0.1",
+        "md5": "^2.3.0",
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+        "path-posix": "^1.0.0",
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+        "url-parse": "^1.5.10"
+      },
+      "engines": {
+        "node": ">=14"
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+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
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+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-7.4.6.tgz",
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@@ -5412,6 +5679,25 @@
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@@ -7696,6 +8070,11 @@
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@@ -8420,6 +8825,11 @@
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@@ -9143,6 +9563,20 @@
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+      "resolved": "https://registry.npmjs.org/zod-validation-error/-/zod-validation-error-3.0.0.tgz",
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     }
   }
 }
diff --git a/package.json b/package.json
index e1c203d..c867960 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "test": "true",
     "build": "rm -rf dist && tsc",
     "build:esbuild": "esbuild --bundle --platform=node --sourcemap --outfile=dist/openbmclapi.js src/index.ts",
-    "dev": "tsc-watch --onSuccess \"node dist/index.js\"",
+    "dev": "tsc-watch --onSuccess \"node --enable-source-maps dist/index.js\"",
     "pkg": "pkg . -C Gzip",
     "lint": "eslint . --ext .ts"
   },
@@ -41,7 +41,10 @@
     "pino-pretty": "^10.3.1",
     "progress": "^2.0.3",
     "socket.io-client": "^4.7.4",
-    "tail": "^2.2.6"
+    "tail": "^2.2.6",
+    "webdav": "^5.3.1",
+    "zod": "^3.22.4",
+    "zod-validation-error": "^3.0.0"
   },
   "devDependencies": {
     "@bangbang93/eslint-config-recommended": "^0.0.3",
diff --git a/src/bootstrap.ts b/src/bootstrap.ts
index ef17f53..35e5c78 100644
--- a/src/bootstrap.ts
+++ b/src/bootstrap.ts
@@ -17,6 +17,7 @@ export async function bootstrap(version: string): Promise<void> {
     config.clusterSecret,
     version,
   )
+  await cluster.init()
 
   const files = await cluster.getFileList()
   logger.info(`${files.files.length} files`)
@@ -43,19 +44,25 @@ export async function bootstrap(version: string): Promise<void> {
     }
   }
   const server = cluster.setupExpress(proto === 'https' && !config.enableNginx)
+  let checkFileInterval: NodeJS.Timeout
   try {
     await cluster.listen()
     await cluster.enable()
+
+    logger.info(colors.rainbow(`done, serving ${files.files.length} files`))
+    if (nodeCluster.isWorker && typeof process.send === 'function') {
+      process.send('ready')
+    }
+
+    checkFileInterval = setTimeout(checkFile, ms('10m'))
   } catch (e) {
     logger.fatal(e)
-    cluster.exit(1)
-  }
-  logger.info(colors.rainbow(`done, serving ${files.files.length} files`))
-  if (nodeCluster.isWorker && typeof process.send === 'function') {
-    process.send('ready')
+    if (process.env.NODE_ENV === 'development') {
+      logger.fatal('development mode, not exiting')
+    } else {
+      cluster.exit(1)
+    }
   }
-
-  let checkFileInterval = setTimeout(checkFile, ms('10m'))
   async function checkFile(): Promise<void> {
     logger.debug('refresh files')
     try {
diff --git a/src/cluster.ts b/src/cluster.ts
index 36e2999..7584c6f 100644
--- a/src/cluster.ts
+++ b/src/cluster.ts
@@ -11,7 +11,7 @@ import got, {type Got, HTTPError} from 'got'
 import {createServer, Server} from 'http'
 import {createSecureServer} from 'http2'
 import http2Express from 'http2-express-bridge'
-import {clone, min, sum, template} from 'lodash-es'
+import {clone, sum, template} from 'lodash-es'
 import morgan from 'morgan'
 import ms from 'ms'
 import {userInfo} from 'node:os'
@@ -89,6 +89,10 @@ export class Cluster {
     return this._port
   }
 
+  public async init(): Promise<void> {
+    await this.storage.init?.()
+  }
+
   public async getFileList(): Promise<IFileList> {
     const FileListSchema = avsc.Type.forSchema({
       type: 'array',
@@ -112,9 +116,7 @@ export class Cluster {
   }
 
   public async syncFiles(fileList: IFileList): Promise<void> {
-    const missingFiles = await Bluebird.filter(fileList.files, async (file) => {
-      return !await this.storage.exists(hashToFilename(file.hash))
-    })
+    const missingFiles = await this.storage.getMissingFiles(fileList.files)
     if (missingFiles.length === 0) {
       return
     }
@@ -193,26 +195,10 @@ export class Cluster {
         if (!await this.storage.exists(hashPath)) {
           await this.downloadFile(hash)
         }
-        const name = req.query.name as string
-        if (name) {
-          res.attachment(name)
-        }
         res.set('x-bmclapi-hash', hash)
-        const path = this.storage.getAbsolutePath(hashPath)
-        return res.sendFile(path, {maxAge: '30d'}, (err) => {
-          let bytes = res.socket?.bytesWritten ?? 0
-          if (!err || err?.message === 'Request aborted' || err?.message === 'write EPIPE') {
-            const header = res.getHeader('content-length')
-            if (header) {
-              const contentLength = parseInt(header.toString(), 10)
-              bytes = min([bytes, contentLength]) ?? 0
-            }
-            this.counters.bytes += bytes
-            this.counters.hits++
-          } else {
-            if (err) return next(err)
-          }
-        })
+        const {bytes, hits} = await this.storage.express(hashPath, req, res, next)
+        this.counters.bytes += bytes
+        this.counters.hits += hits
       } catch (err) {
         if (err instanceof HTTPError) {
           if (err.response.statusCode === 404) {
@@ -337,14 +323,9 @@ export class Cluster {
   public async enable(): Promise<void> {
     if (this.isEnabled) return
     logger.trace('enable')
-    try {
-      await this._enable()
-      this.isEnabled = true
-      this.wantEnable = true
-    } catch (e) {
-      console.error(e)
-      this.exit(1)
-    }
+    await this._enable()
+    this.isEnabled = true
+    this.wantEnable = true
   }
 
   public async disable(): Promise<void> {
diff --git a/src/config.ts b/src/config.ts
index 95db17c..c4e72f0 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -12,6 +12,8 @@ export class Config {
   public readonly disableAccessLog: boolean = false
 
   public readonly enableNginx: boolean = false
+  public readonly storage: string = 'file'
+  public readonly storageOpts: unknown
 
   private constructor() {
     if (!process.env.CLUSTER_ID) {
@@ -35,6 +37,12 @@ export class Config {
     }
     this.byoc = process.env.CLUSTER_BYOC === 'true'
     this.enableNginx = process.env.ENABLE_NGINX === 'true'
+    if (process.env.CLUSTER_STORAGE) {
+      this.storage = process.env.CLUSTER_STORAGE
+    }
+    if (process.env.CLUSTER_STORAGE_OPTIONS) {
+      this.storageOpts = JSON.parse(process.env.CLUSTER_STORAGE_OPTIONS)
+    }
   }
 
   public static getInstance(): Config {
diff --git a/src/storage/alist-webdav.storage.ts b/src/storage/alist-webdav.storage.ts
new file mode 100644
index 0000000..ebe1b0b
--- /dev/null
+++ b/src/storage/alist-webdav.storage.ts
@@ -0,0 +1,26 @@
+import type {Request, Response} from 'express'
+import got from 'got'
+import {join} from 'path'
+import {WebdavStorage} from './webdav.storage.js'
+
+export class AlistWebdavStorage extends WebdavStorage {
+  public async express(hashPath: string, req: Request, res: Response): Promise<{ bytes: number; hits: number }> {
+    const path = join(this.basePath, hashPath)
+    const url = this.client.getFileDownloadLink(path)
+    const resp = await got.get(url, {followRedirect: false,
+      responseType: 'buffer',
+      https: {
+        rejectUnauthorized: false,
+      }})
+    if (resp.statusCode === 200) {
+      res.send(resp.body)
+      return {bytes: resp.body.length, hits: 1}
+    }
+    if (resp.statusCode === 302 && resp.headers.location) {
+      res.status(302).location(resp.headers.location).send()
+      return {bytes: 0, hits: 1}
+    }
+    res.status(resp.statusCode).send(resp.body)
+    return {bytes: 0, hits: 0}
+  }
+}
diff --git a/src/storage/base.storage.ts b/src/storage/base.storage.ts
index 6eaf424..d3e59cd 100644
--- a/src/storage/base.storage.ts
+++ b/src/storage/base.storage.ts
@@ -1,18 +1,42 @@
+import type {NextFunction, Request, Response} from 'express'
 import {join} from 'path'
 import {cwd} from 'process'
 import type {Config} from '../config.js'
+import {logger} from '../logger.js'
+import {AlistWebdavStorage} from './alist-webdav.storage.js'
 import {FileStorage} from './file.storage.js'
+import {WebdavStorage} from './webdav.storage.js'
 
 export interface IStorage {
+  init?(): Promise<void>
   writeFile(path: string, content: Buffer): Promise<void>
 
   exists(path: string): Promise<boolean>
 
   getAbsolutePath(path: string): string
 
+  getMissingFiles<T extends {path: string; hash: string}>(files: T[]): Promise<T[]>
+
   gc(files: {path: string; hash: string; size: number}[]): Promise<void>
+
+  express(hashPath: string, req: Request, res: Response, next?: NextFunction): Promise<{ bytes: number; hits: number }>
 }
 
 export function getStorage(config: Config): IStorage {
-  return new FileStorage(join(cwd(), 'cache'))
+  let storage: IStorage
+  switch (config.storage) {
+    case 'file':
+      storage = new FileStorage(join(cwd(), 'cache'))
+      break
+    case 'webdav':
+      storage = new WebdavStorage(config.storageOpts)
+      break
+    case 'alist':
+      storage = new AlistWebdavStorage(config.storageOpts)
+      break
+    default:
+      throw new Error(`未知的存储类型${config.storage}`)
+  }
+  logger.info(`使用存储类型: ${config.storage}`)
+  return storage
 }
diff --git a/src/storage/file.storage.ts b/src/storage/file.storage.ts
index 36c2d8b..4cda637 100644
--- a/src/storage/file.storage.ts
+++ b/src/storage/file.storage.ts
@@ -1,6 +1,9 @@
+import Bluebird from 'bluebird'
 import colors from 'colors/safe.js'
+import type {Request, Response} from 'express'
 import fse from 'fs-extra'
 import {readdir, stat, unlink} from 'fs/promises'
+import {min} from 'lodash-es'
 import {join, sep} from 'path'
 import {logger} from '../logger.js'
 import {hashToFilename} from '../util.js'
@@ -23,6 +26,12 @@ export class FileStorage implements IStorage {
     return join(this.cacheDir, path)
   }
 
+  public async getMissingFiles<T extends {path: string; hash: string}>(files: T[]): Promise<T[]> {
+    return Bluebird.filter(files, async (file) => {
+      return !await this.exists(hashToFilename(file.hash))
+    })
+  }
+
   public async gc(files: {path: string; hash: string; size: number}[]): Promise<void> {
     const fileSet = new Set<string>()
     for (const file of files) {
@@ -48,4 +57,30 @@ export class FileStorage implements IStorage {
       }
     } while (queue.length !== 0)
   }
+
+  public async express(hashPath: string, req: Request, res: Response): Promise<{ bytes: number; hits: number }> {
+    const name = req.query.name as string
+    if (name) {
+      res.attachment(name)
+    }
+    const path = this.getAbsolutePath(hashPath)
+    return new Promise((resolve, reject) => {
+      res.sendFile(path, {maxAge: '30d'}, (err) => {
+        let bytes = res.socket?.bytesWritten ?? 0
+        if (!err || err?.message === 'Request aborted' || err?.message === 'write EPIPE') {
+          const header = res.getHeader('content-length')
+          if (header) {
+            const contentLength = parseInt(header.toString(), 10)
+            bytes = min([bytes, contentLength]) ?? 0
+          }
+          resolve({bytes, hits: 1})
+        } else {
+          if (err) {
+            return reject(err)
+          }
+          resolve({bytes: 0, hits: 0})
+        }
+      })
+    })
+  }
 }
diff --git a/src/storage/webdav.storage.ts b/src/storage/webdav.storage.ts
new file mode 100644
index 0000000..f34a12a
--- /dev/null
+++ b/src/storage/webdav.storage.ts
@@ -0,0 +1,118 @@
+import colors from 'colors/safe.js'
+import type {Request, Response} from 'express'
+import {Agent} from 'node:https'
+import {join} from 'path'
+import {createClient, type FileStat, type WebDAVClient} from 'webdav'
+import {z} from 'zod'
+import {fromZodError} from 'zod-validation-error'
+import {logger} from '../logger.js'
+import type {IStorage} from './base.storage.js'
+
+const storageConfigSchema = z.object({
+  url: z.string(),
+  username: z.string().optional(),
+  password: z.string().optional(),
+  basePath: z.string(),
+})
+
+export class WebdavStorage implements IStorage {
+  protected readonly client: WebDAVClient
+  protected readonly storageConfig: z.infer<typeof storageConfigSchema>
+  protected readonly basePath: string
+
+  constructor(
+    storageConfig: unknown,
+  ) {
+    try {
+      this.storageConfig = storageConfigSchema.parse(storageConfig)
+    } catch (e) {
+      if (e instanceof z.ZodError) {
+        throw new Error('webdav存储选项无效', {cause: fromZodError(e)})
+      } else {
+        throw new Error('webdav存储选项无效', {cause: e})
+      }
+    }
+    this.client = createClient(
+      this.storageConfig.url,
+      {
+        username: this.storageConfig.username,
+        password: this.storageConfig.password,
+        httpsAgent: new Agent({rejectUnauthorized: false}),
+      },
+    )
+    this.basePath = this.storageConfig.basePath
+  }
+
+  public async init(): Promise<void> {
+    if (!await this.client.exists(this.basePath)) {
+      logger.info(`create base path: ${this.basePath}`)
+      await this.client.createDirectory(this.basePath, {recursive: true})
+    }
+  }
+
+  public async writeFile(path: string, content: Buffer): Promise<void> {
+    await this.client.putFileContents(join(this.basePath, path), content)
+  }
+
+  public async exists(path: string): Promise<boolean> {
+    return this.client.exists(join(this.basePath, path))
+  }
+
+  public getAbsolutePath(path: string): string {
+    return this.client.getFileDownloadLink(join(this.basePath, path))
+  }
+
+
+  public async getMissingFiles<T extends {path: string; hash: string}>(files: T[]): Promise<T[]> {
+    const manifest = new Map<string, T>()
+    for (const file of files) {
+      manifest.set(file.hash, file)
+    }
+    const queue = [this.basePath]
+    do {
+      const dir = queue.pop()
+      if (!dir) break
+      const entries = await this.client.getDirectoryContents(dir) as FileStat[]
+      for (const entry of entries) {
+        if (entry.type === 'directory') {
+          queue.push(entry.filename)
+          continue
+        }
+        if (manifest.has(entry.basename)) {
+          manifest.delete(entry.basename)
+        }
+      }
+    } while (queue.length !== 0)
+    return [...manifest.values()]
+  }
+
+  public async gc(files: {path: string; hash: string; size: number}[]): Promise<void> {
+    const fileSet = new Set<string>()
+    for (const file of files) {
+      fileSet.add(file.hash)
+    }
+    const queue = [this.basePath]
+    do {
+      const dir = queue.pop()
+      if (!dir) break
+      const entries = await this.client.getDirectoryContents(dir) as FileStat[]
+      for (const entry of entries) {
+        if (entry.type === 'directory') {
+          queue.push(entry.filename)
+          continue
+        }
+        if (!fileSet.has(entry.basename)) {
+          logger.info(colors.gray(`delete expire file: ${entry.filename}`))
+          await this.client.deleteFile(entry.filename)
+        }
+      }
+    } while (queue.length !== 0)
+  }
+
+  public async express(hashPath: string, req: Request, res: Response): Promise<{ bytes: number; hits: number }> {
+    const path = join(this.basePath, hashPath)
+    const file = this.client.getFileDownloadLink(path)
+    res.redirect(file)
+    return {bytes: 0, hits: 1}
+  }
+}