Update index.js

index.js

@@ -130,7 +130,8 @@ app.post('/api/waifu2x', async (req, res) => {
         if (!urlRegex.test(images)) {
           const data_img = await axios.request({
             method: "GET",
-            url: images
+            url: images,
+            responseType: "arraybuffer"
           })
           const response = await waifu2x(data_img, format)
           res.setHeader('Content-Type', 'image/jpg')