diff --git a/example_modules/demo_modules/stable_diffusion.module.py b/example_modules/demo_modules/stable_diffusion.module.py
index 9b1261a..6cd0461 100644
--- a/example_modules/demo_modules/stable_diffusion.module.py
+++ b/example_modules/demo_modules/stable_diffusion.module.py
@@ -28,7 +28,7 @@ def reg_or_not():
     if stable_diffusion_address.endswith('/sdapi/v1') or stable_diffusion_address.endswith('/sdapi/v1/'):
         logger.warn("'STABLE_DIFFUSION_URL' is expected to be something like: http://host[:port], "
                     "the form 'http://host[:port]/sdapi/v1' will be deprecated in the future.")
-        if stable_diffusion_address('/sdapi/v1'):
+        if stable_diffusion_address.endswith('/sdapi/v1'):
             stable_diffusion_address += '/txt2img'
         else:
             stable_diffusion_address += 'txt2img'
diff --git a/example_services/demo_service1/main.py b/example_services/demo_service1/main.py
index b288fa4..ad42222 100644
--- a/example_services/demo_service1/main.py
+++ b/example_services/demo_service1/main.py
@@ -23,7 +23,8 @@ load_dotenv()
 os.environ['OPENAI_API_KEY'] = os.getenv("JARVIS_OPENAI_API_KEY")
 
 youtube_api_key = os.getenv("DEMO_YOUTUBE_API_KEY")
-youtube_client = build('youtube', 'v3', developerKey=youtube_api_key)
+if youtube_api_key is not None and youtube_api_key != '':
+    youtube_client = build('youtube', 'v3', developerKey=youtube_api_key)
 youtube_video_max_result = 3
 youtube_username_set = set()