diff --git a/app.js b/app.js
index 3290f1d..004052e 100644
--- a/app.js
+++ b/app.js
@@ -22,7 +22,7 @@ onerror(app)
 // middlewares
 app.use(json())
 app.use(logger())
-app.use(require('koa-static')(__dirname + '/public'))
+app.use(require('koa-mount')('/ossStatic',require('koa-static')(__dirname + '/fileStorages')))
 
 app.use(views(__dirname + '/views', {
     extension: 'pug'
diff --git a/fileStorage/16762068728143c6ccd311ca.jpg b/fileStorage/16762068728143c6ccd311ca.jpg
deleted file mode 100644
index faf958a..0000000
Binary files a/fileStorage/16762068728143c6ccd311ca.jpg and /dev/null differ
diff --git a/package.json b/package.json
index 4a671ae..0f80a30 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "koa-convert": "^1.2.0",
     "koa-json": "^2.0.2",
     "koa-logger": "^3.2.0",
+    "koa-mount": "^4.0.0",
     "koa-onerror": "^4.1.0",
     "koa-router": "^7.4.0",
     "koa-static": "^5.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9b6477d..4cf4188 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -7,6 +7,7 @@ specifiers:
   koa-convert: ^1.2.0
   koa-json: ^2.0.2
   koa-logger: ^3.2.0
+  koa-mount: ^4.0.0
   koa-onerror: ^4.1.0
   koa-router: ^7.4.0
   koa-static: ^5.0.0
@@ -22,6 +23,7 @@ dependencies:
   koa-convert: registry.npmmirror.com/koa-convert/1.2.0
   koa-json: registry.npmmirror.com/koa-json/2.0.2
   koa-logger: registry.npmmirror.com/koa-logger/3.2.1
+  koa-mount: registry.npmmirror.com/koa-mount/4.0.0
   koa-onerror: registry.npmmirror.com/koa-onerror/4.2.0
   koa-router: registry.npmmirror.com/koa-router/7.4.0
   koa-static: registry.npmmirror.com/koa-static/5.0.0
@@ -2106,6 +2108,18 @@ packages:
       passthrough-counter: registry.npmmirror.com/passthrough-counter/1.0.0
     dev: false
 
+  registry.npmmirror.com/koa-mount/4.0.0:
+    resolution: {integrity: sha512-rm71jaA/P+6HeCpoRhmCv8KVBIi0tfGuO/dMKicbQnQW/YJntJ6MnnspkodoA4QstMVEZArsCphmd0bJEtoMjQ==, registry: https://registry.npm.taobao.org/, tarball: https://registry.npmmirror.com/koa-mount/-/koa-mount-4.0.0.tgz}
+    name: koa-mount
+    version: 4.0.0
+    engines: {node: '>= 7.6.0'}
+    dependencies:
+      debug: registry.npmmirror.com/debug/4.3.4
+      koa-compose: registry.npmmirror.com/koa-compose/4.1.0
+    transitivePeerDependencies:
+      - supports-color
+    dev: false
+
   registry.npmmirror.com/koa-onerror/4.2.0:
     resolution: {integrity: sha512-D15tp5rxevHqqcvOiEDbtQolG6z3NpBNupz3EUZz43pjYv5SGMom2Xz1FKM8oTya56+aq+hejPW/iBrNnC/UGQ==, registry: https://registry.npm.taobao.org/, tarball: https://registry.npmmirror.com/koa-onerror/-/koa-onerror-4.2.0.tgz}
     name: koa-onerror
diff --git a/routes/fileStorage.js b/routes/fileStorage.js
index 65bf910..e4f67ff 100644
--- a/routes/fileStorage.js
+++ b/routes/fileStorage.js
@@ -50,7 +50,7 @@ router.post('/putfile', async (ctx) => {
         if(rows.length == 0){
             await global.SQL.execute('INSERT INTO `file` (md5, filename, createTime, filesize) VALUES (?, ?, ?, ?)', [arg.md5, filename, createTime, file.size]);
             const reader = fs.createReadStream(file.filepath); // 创建可读流
-            const upStream = fs.createWriteStream(global.dirname + '/fileStorage/' + filename); // 创建可写流
+            const upStream = fs.createWriteStream(global.dirname + '/fileStorages/' + filename); // 创建可写流
             reader.pipe(upStream); // 可读流通过管道写入可写流
         }else{
             filename = rows[0].filename