fix readme 2

app.py

@@ -135,4 +135,4 @@ async def clear_user_memory(user_id: str):
         raise HTTPException(status_code=500, detail=str(e))
 
 if __name__ == "__main__":
-    uvicorn.run(app, host="0.0.0.0", port=8000) 
+    uvicorn.run(app, host="0.0.0.0", port=7860)