diff --git a/src/auth/service.py b/src/auth/service.py
index dfb9229..dcd97d4 100644
--- a/src/auth/service.py
+++ b/src/auth/service.py
@@ -1,5 +1,6 @@
 # app/auth/auth_bearer.py
 
+import json
 from typing import Annotated, Optional
 
 import requests
@@ -89,15 +90,18 @@ async def internal_key(request: Request):
         )
         
     try:
+        
+        payload = json.dumps({
+            "username": "user10",
+            "password": "123456"
+            })
         response = requests.post(
             f"{config.AUTH_SERVICE_API}/sign-in",
-            data={
-                "username": "user10",
-                "password": "123456"
-            }
+            data=payload
         )
 
         if not response.ok:
+            print(str(response.json())
             raise Exception("error auth")
 
         user_data = response.json()