diff --git a/.full-env.example b/.full-env.example
index 50ae9fe..7ec4aee 100644
--- a/.full-env.example
+++ b/.full-env.example
@@ -21,4 +21,7 @@ IMAGE_GENERATION_ENDPOINT="http://127.0.0.1:7860/sdapi/v1/txt2img"
 IMAGE_GENERATION_BACKEND="sdwui" # openai or sdwui or localai
 IMAGE_GENERATION_SIZE="512x512"
 IMAGE_FORMAT="webp"
+SDWUI_STEPS=20
+SDWUI_SAMPLER_NAME="Euler a"
+SDWUI_CFG_SCALE=7
 TIMEOUT=120.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 982abe9..d9d4726 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.5.2
+- Expose more stable diffusion webui api parameters
+
 ## 1.5.1
 - fix: set timeout not work in image generation
 
diff --git a/full-config.json.example b/full-config.json.example
index 77e6213..efbe4c0 100644
--- a/full-config.json.example
+++ b/full-config.json.example
@@ -21,6 +21,9 @@
     "image_generation_endpoint": "http://localai:8080/v1/images/generations",
     "image_generation_backend": "localai",
     "image_generation_size": "512x512",
+    "sdwui_steps": 20,
+    "sdwui_sampler_name": "Euler a",
+    "sdwui_cfg_scale": 7,
     "image_format": "webp",
     "timeout": 120.0
 }
diff --git a/src/bot.py b/src/bot.py
index c89d8a7..118d475 100644
--- a/src/bot.py
+++ b/src/bot.py
@@ -70,6 +70,9 @@ class Bot:
         image_generation_backend: Optional[str] = None,
         image_generation_size: Optional[str] = None,
         image_format: Optional[str] = None,
+        sdwui_steps: Optional[int] = None,
+        sdwui_sampler_name: Optional[str] = None,
+        sdwui_cfg_scale: Optional[float] = None,
         timeout: Union[float, None] = None,
     ):
         if homeserver is None or user_id is None or device_id is None:
@@ -138,6 +141,10 @@ class Bot:
             self.image_generation_width = self.image_generation_size.split("x")[0]
             self.image_generation_height = self.image_generation_size.split("x")[1]
 
+        self.sdwui_steps = sdwui_steps
+        self.sdwui_sampler_name = sdwui_sampler_name
+        self.sdwui_cfg_scale = sdwui_cfg_scale
+
         self.timeout: float = timeout or 120.0
 
         self.base_path = Path(os.path.dirname(__file__)).parent
@@ -1368,6 +1375,9 @@ class Bot:
                     size=self.image_generation_size,
                     width=self.image_generation_width,
                     height=self.image_generation_height,
+                    steps=self.sdwui_steps,
+                    sampler_name=self.sdwui_sampler_name,
+                    cfg_scale=self.sdwui_cfg_scale,
                     image_format=self.image_format,
                 )
                 # send image
diff --git a/src/imagegen.py b/src/imagegen.py
index 8f059d9..d32356d 100644
--- a/src/imagegen.py
+++ b/src/imagegen.py
@@ -48,6 +48,7 @@ async def get_images(
             json={
                 "prompt": prompt,
                 "sampler_name": kwargs.get("sampler_name", "Euler a"),
+                "cfg_scale": kwargs.get("cfg_scale", 7),
                 "batch_size": kwargs.get("n", 1),
                 "steps": kwargs.get("steps", 20),
                 "width": kwargs.get("width", 512),
diff --git a/src/main.py b/src/main.py
index 48bbceb..6d37154 100644
--- a/src/main.py
+++ b/src/main.py
@@ -45,6 +45,9 @@ async def main():
             image_generation_endpoint=config.get("image_generation_endpoint"),
             image_generation_backend=config.get("image_generation_backend"),
             image_generation_size=config.get("image_generation_size"),
+            sdwui_steps=config.get("sdwui_steps"),
+            sdwui_sampler_name=config.get("sdwui_sampler_name"),
+            sdwui_cfg_scale=config.get("sdwui_cfg_scale"),
             image_format=config.get("image_format"),
             timeout=config.get("timeout"),
         )
@@ -78,6 +81,9 @@ async def main():
             image_generation_endpoint=os.environ.get("IMAGE_GENERATION_ENDPOINT"),
             image_generation_backend=os.environ.get("IMAGE_GENERATION_BACKEND"),
             image_generation_size=os.environ.get("IMAGE_GENERATION_SIZE"),
+            sdwui_steps=int(os.environ.get("SDWUI_STEPS", 20)),
+            sdwui_sampler_name=os.environ.get("SDWUI_SAMPLER_NAME"),
+            sdwui_cfg_scale=float(os.environ.get("SDWUI_CFG_SCALE", 7)),
             image_format=os.environ.get("IMAGE_FORMAT"),
             timeout=float(os.environ.get("TIMEOUT", 120.0)),
         )