Update app.py

app.py

@@ -265,8 +265,8 @@ def tryon():
     mask_base64 = encode_image_to_base64(mask_image)
 
     return jsonify({
-        'output_image': output_bytes.hex(),
-        'mask_image': mask_bytes.hex()
+        'output_image': output_base64,
+        'mask_image': mask_base64
     })
 
 if __name__ == "__main__":