diff --git a/scripts/reactor_api.py b/scripts/reactor_api.py
index 5fb9969..f7d3553 100644
--- a/scripts/reactor_api.py
+++ b/scripts/reactor_api.py
@@ -1,7 +1,7 @@
 '''
 Thanks SpenserCai for the original version of the roop api script
 -----------------------------------
---- ReActor External API v1.0.7 ---
+--- ReActor External API v1.0.8a ---
 -----------------------------------
 '''
 import os, glob
@@ -13,6 +13,11 @@ from fastapi import FastAPI, Body
 # import base64
 # import numpy as np
 # import cv2
+import asyncio
+from concurrent.futures import ThreadPoolExecutor
+# from concurrent.futures.process import ProcessPoolExecutor
+# from contextlib import asynccontextmanager
+# import multiprocessing
 
 # from modules.api.models import *
 from modules import scripts, shared
@@ -24,14 +29,28 @@ from scripts.reactor_swapper import EnhancementOptions, swap_face, DetectionOpti
 from scripts.reactor_logger import logger
 from scripts.reactor_helpers import get_facemodels
 
-# XYZ init:
-from scripts.reactor_xyz import run
-try:
-    import modules.script_callbacks as script_callbacks
-    script_callbacks.on_before_ui(run)
-    # script_callbacks.on_app_started(reactor_api)
-except:
-    pass
+
+# @asynccontextmanager
+# async def lifespan(app: FastAPI):
+#     app.state.executor = ProcessPoolExecutor(max_workers=4)
+#     yield
+#     app.state.executor.shutdown()
+
+# app = FastAPI(lifespan=lifespan)
+
+# def run_app(a: FastAPI):
+#     global app
+#     a = app
+#     return a
+
+# _executor_tp = ThreadPoolExecutor(max_workers=8)
+# def entry_point():
+#     _executor_pp = ProcessPoolExecutor(max_workers=8)
+# pool = multiprocessing.Pool(4)
+
+async def run_event(app, fn, *args):
+    loop = asyncio.get_event_loop()
+    return await loop.run_in_executor(app.state.executor, fn, *args)
 
 
 def default_file_path():
@@ -82,6 +101,7 @@ def get_full_model(model_name):
 #         raise HTTPException(status_code=500, detail="Invalid encoded image") from e
 
 def reactor_api(_: gr.Blocks, app: FastAPI):
+    app.state.executor = ThreadPoolExecutor(max_workers=8)
     @app.post("/reactor/image")
     async def reactor_image(
         source_image: str = Body("",title="Source Face Image"),
@@ -131,22 +151,26 @@ def reactor_api(_: gr.Blocks, app: FastAPI):
         use_model = get_full_model(model)
         if use_model is None:
             Exception("Model not found")
-        result = swap_face(s_image, t_image, use_model, sf_index, f_index, up_options, gender_s, gender_t, True, True, device, mask_face, select_source, face_model, source_folder, None, random_image,det_options)
-        result_img = result[0]
+        
+        args = [s_image, t_image, use_model, sf_index, f_index, up_options, gender_s, gender_t, True, True, device, mask_face, select_source, face_model, source_folder, None, random_image,det_options]
+        # result,_,_ = pool.map(swap_face, *args)
+        result,_,_ = await run_event(app,swap_face,*args)
+        # result,_,_ = swap_face(s_image, t_image, use_model, sf_index, f_index, up_options, gender_s, gender_t, True, True, device, mask_face, select_source, face_model, source_folder, None, random_image,det_options)
 
         if alpha is not None:
-            result_img = result_img.convert("RGBA")
-            result_img.putalpha(alpha)
+            result = result.convert("RGBA")
+            result.putalpha(alpha)
 
         if save_to_file == 1:
             if result_file_path == "":
                 result_file_path = default_file_path()
             try:
-                result_img.save(result_file_path, format='PNG')
+                file_format = os.path.split(result_file_path)[1].split(".")[1]
+                result.save(result_file_path, format=file_format)
                 logger.status("Result has been saved to: %s", result_file_path)
             except Exception as e:
                 logger.error("Error while saving result: %s",e)
-        return {"image": api.encode_pil_to_base64(result_img)}
+        return {"image": api.encode_pil_to_base64(result)}
 
     @app.get("/reactor/models")
     async def reactor_models():
@@ -165,7 +189,6 @@ def reactor_api(_: gr.Blocks, app: FastAPI):
 
 try:
     import modules.script_callbacks as script_callbacks
-
     script_callbacks.on_app_started(reactor_api)
 except:
     pass
diff --git a/scripts/reactor_xyz.py b/scripts/reactor_xyz.py
index 75c7e57..0b101f3 100644
--- a/scripts/reactor_xyz.py
+++ b/scripts/reactor_xyz.py
@@ -10,6 +10,7 @@ from scripts.reactor_helpers import (
     get_facemodels
 )
 
+
 # xyz_grid = [x for x in scripts.scripts_data if x.script_class.__module__ == "xyz_grid.py"][0].module
 
 def find_module(module_names):
@@ -84,3 +85,10 @@ def run():
     xyz_grid = find_module("xyz_grid.py, xy_grid.py")
     if xyz_grid:
         add_axis_options(xyz_grid)
+
+# XYZ init:
+try:
+    import modules.script_callbacks as script_callbacks
+    script_callbacks.on_before_ui(run)
+except:
+    pass