diff --git a/README.md b/README.md
index 794adba..46a4fea 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,5 @@ Node code extracted from [smZNodes](https://github.com/shiimizu/ComfyUI_smZNodes
 The scheduler introduced by [NVIDIA](https://research.nvidia.com/labs/toronto-ai/AlignYourSteps/howto.html)
 
 **Recommended Sampler**: DPM++ 2M SDE
+
+Update: latest dev webui have already added these [scheduler](https://github.com/AUTOMATIC1111/stable-diffusion-webui/pull/15751)
diff --git a/scripts/ays.py b/scripts/ays.py
index 28892b5..13f1b33 100644
--- a/scripts/ays.py
+++ b/scripts/ays.py
@@ -90,6 +90,10 @@ def add_align_your_step_scheduler() -> None:
     except ImportError:
         return
 
+    # latest dev webui have already added these scheduler: https://github.com/AUTOMATIC1111/stable-diffusion-webui/pull/15751
+    if 'align_your_steps' in sd_schedulers.schedulers_map:
+        return
+
     scheduler_v15 = sd_schedulers.Scheduler(
         "ays_v15", "Align Your Step SD15", align_your_step_scheduler_v15
     )