diff --git a/memoryos-playground/test.py b/memoryos-playground/test.py
index 80ef9da..5476973 100644
--- a/memoryos-playground/test.py
+++ b/memoryos-playground/test.py
@@ -5,7 +5,7 @@
 # --- Basic Configuration ---
 USER_ID = "demo_user"
 ASSISTANT_ID = "demo_assistant"
-API_KEY = "sk-7VaFJuGM146a957c4E75T3BlBkFJb7232107783F41C29e00"  # Replace with your key
+API_KEY = ""  # Replace with your key
 BASE_URL = "https://cn2us02.opapi.win/v1"  # Optional: if using a custom OpenAI endpoint
 DATA_STORAGE_PATH = "./simple_demo_data"
 LLM_MODEL = "gpt-4o-mini"
@@ -90,4 +90,4 @@ def simple_demo():
     print(f"Assistant: {response}")
 
 if __name__ == "__main__":
-    simple_demo()
\ No newline at end of file
+    simple_demo()