Update index.js

index.js

@@ -132,7 +132,7 @@ app.post('/api/waifu2x', async (req, res) => {
             url: images,
             responseType: "arraybuffer"
           })
-          const response = await waifu2x(data_img, format)
+          const response = await waifu2x(data_img.data, format)
           res.setHeader('Content-Type', 'image/jpg')
           res.send(response)
         } else if (images && typeof images == 'string' && isBase64(images)) {