diff --git a/index.js b/index.js
index 516afdd..283e34b 100644
--- a/index.js
+++ b/index.js
@@ -74,7 +74,7 @@ app.post('/upload/task', upload.single('file'), (req, res) => {
         }
 
         const oldPath = req.file.path;
-        const newPath = dir + req.file.filename;
+        const newPath = dir + "/" + req.file.filename;
 
         fs.rename(oldPath, newPath, function (err) {
             if (err) throw err