diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index d332226..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f4062ba
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+diffusers[torch]
diff --git a/stable_diffusion.py b/stable_diffusion.py
index c6137cb..5c4b59b 100644
--- a/stable_diffusion.py
+++ b/stable_diffusion.py
@@ -1,9 +1,7 @@
-import logging
 import torch
 from diffusers import StableDiffusionPipeline, DPMSolverMultistepScheduler
 from towhee.operator import PyOperator
 
-log = logging.getLogger(PyOperator)
 
 class StableDiffusion(PyOperator):
     def __init__(self,