diff --git a/app/download.py b/app/download.py
index 7c4755a..fd08499 100644
--- a/app/download.py
+++ b/app/download.py
@@ -99,7 +99,7 @@ class dropout():
             sorted_json_data = sorted(json_data, key=lambda x: x['SHOW'])
             with open('/data/dropout.json', 'w') as json_file:
                 json.dump(sorted_json_data, json_file, indent=4)
-                return JSONResponse(status_code=200, content={"status": "success", "message": "Series information gather successfully."})
+            return JSONResponse(status_code=200, content={"status": "success", "message": "Series information gather successfully."})
         except Exception as e:
             return JSONResponse(status_code=500, content={"status": "error", "message": str(e)})
 
diff --git a/app/main.py b/app/main.py
index cc8e78b..3eff665 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,6 +2,7 @@ from fastapi import FastAPI, Request
 from fastapi.responses import HTMLResponse, JSONResponse
 from fastapi.templating import Jinja2Templates
 from fastapi.staticfiles import StaticFiles
+from fastapi.concurrency import run_in_threadpool
 from pathlib import Path
 import app.download as download
 import json
@@ -18,7 +19,7 @@ templates = Jinja2Templates(directory="/app/templates")
 # api
 @app.get("/dropoutUpdate")
 async def dropoutUpdate():
-    download.dropout.series()
+    return await run_in_threadpool(download.dropout.series())
 
 @app.get("/dropoutSeries", response_class=JSONResponse)
 async def dropoutSeries():