diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4a9d22c..667ab5d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,12 +17,12 @@ repos:
       - id: mixed-line-ending
 
   - repo: https://github.com/rbubley/mirrors-prettier
-    rev: v3.3.2
+    rev: v3.3.3
     hooks:
       - id: prettier
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.9
+    rev: v0.5.6
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c542be7..2095da5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## 2024-08-03
+
+- v24.8.0
+- 샘플러 선택칸에 Use same sampler 옵션 추가
+- 컨트롤넷 유니온 모델을 선택할 수 있게 함
+
+- webui 1.9.0이상에서 기본 스케줄러가 설정되지 않던 문제 수정
+- issus #656의 문제 해결을 위해 v24.4.0에 적용되었던 프롬프트 표시 기능을 되돌림
+- mediapipe에서 에러가 발생하면 추론이 실패한 것으로 처리하고 조용히 넘어감
+
 ## 2024-06-16
 
 - v24.6.0
diff --git a/aaaaaa/helper.py b/aaaaaa/helper.py
index 27dd6a9..c9c50c9 100644
--- a/aaaaaa/helper.py
+++ b/aaaaaa/helper.py
@@ -45,7 +45,7 @@ def pause_total_tqdm():
 
 
 @contextmanager
-def preseve_prompts(p: PT):
+def preserve_prompts(p: PT):
     all_pt = copy(p.all_prompts)
     all_ng = copy(p.all_negative_prompts)
     try:
diff --git a/aaaaaa/ui.py b/aaaaaa/ui.py
index a678d82..e4efb54 100644
--- a/aaaaaa/ui.py
+++ b/aaaaaa/ui.py
@@ -2,6 +2,7 @@
 
 from dataclasses import dataclass
 from functools import partial
+from itertools import chain
 from types import SimpleNamespace
 from typing import Any
 
@@ -42,6 +43,9 @@
         "depth": ["depth_midas", "depth_hand_refiner"],
     }
 
+union = list(chain.from_iterable(cn_module_choices.values()))
+cn_module_choices["union"] = union
+
 
 class Widgets(SimpleNamespace):
     def tolist(self):
@@ -82,7 +86,7 @@ def on_widget_change(state: dict, value: Any, *, attr: str):
 
 def on_generate_click(state: dict, *values: Any):
     for attr, value in zip(ALL_ARGS.attrs, values):
-        state[attr] = value
+        state[attr] = value  # noqa: PERF403
     state["is_api"] = ()
     return state
 
@@ -546,11 +550,16 @@ def inpainting(w: Widgets, n: int, is_img2img: bool, webui_info: WebuiInfo):
                 elem_id=eid("ad_use_sampler"),
             )
 
+            sampler_names = [
+                "Use same sampler",
+                *webui_info.sampler_names,
+            ]
+
             with gr.Row():
                 w.ad_sampler = gr.Dropdown(
                     label="ADetailer sampler" + suffix(n),
-                    choices=webui_info.sampler_names,
-                    value=webui_info.sampler_names[0],
+                    choices=sampler_names,
+                    value=sampler_names[1],
                     visible=True,
                     elem_id=eid("ad_sampler"),
                 )
diff --git a/adetailer/__version__.py b/adetailer/__version__.py
index a7f5098..45adada 100644
--- a/adetailer/__version__.py
+++ b/adetailer/__version__.py
@@ -1 +1 @@
-__version__ = "24.6.0"
+__version__ = "24.8.0"
diff --git a/adetailer/mediapipe.py b/adetailer/mediapipe.py
index 25c6900..b05fa00 100644
--- a/adetailer/mediapipe.py
+++ b/adetailer/mediapipe.py
@@ -21,7 +21,10 @@ def mediapipe_predict(
     }
     if model_type in mapping:
         func = mapping[model_type]
-        return func(image, confidence)
+        try:
+            return func(image, confidence)
+        except Exception:
+            return PredictOutput()
     msg = f"[-] ADetailer: Invalid mediapipe model type: {model_type}, Available: {list(mapping.keys())!r}"
     raise RuntimeError(msg)
 
diff --git a/controlnet_ext/common.py b/controlnet_ext/common.py
index b78dbf3..f485da5 100644
--- a/controlnet_ext/common.py
+++ b/controlnet_ext/common.py
@@ -8,4 +8,5 @@
     "tile": "tile_resample",
     "depth": "depth_midas",
 }
-cn_model_regex = re.compile("|".join(cn_model_module.keys()), flags=re.I)
+_names = [*cn_model_module, "union"]
+cn_model_regex = re.compile("|".join(_names), flags=re.IGNORECASE)
diff --git a/controlnet_ext/controlnet_ext.py b/controlnet_ext/controlnet_ext.py
index 9af1238..bcf7130 100644
--- a/controlnet_ext/controlnet_ext.py
+++ b/controlnet_ext/controlnet_ext.py
@@ -61,13 +61,13 @@ def update_scripts_args(
         if (not self.cn_available) or model == "None":
             return
 
-        if module is None or module == "None":
+        if module == "None":
+            module = None
+        if module is None:
             for m, v in cn_model_module.items():
                 if m in model:
                     module = v
                     break
-            else:
-                module = None
 
         cn_units = [
             self.external_cn.ControlNetUnit(
diff --git a/scripts/!adetailer.py b/scripts/!adetailer.py
index d4bbfc6..b655e6e 100644
--- a/scripts/!adetailer.py
+++ b/scripts/!adetailer.py
@@ -20,7 +20,7 @@
     change_torch_load,
     copy_extra_params,
     pause_total_tqdm,
-    preseve_prompts,
+    preserve_prompts,
 )
 from aaaaaa.p_method import (
     get_i,
@@ -374,7 +374,10 @@ def get_cfg_scale(self, p, args: ADetailerArgs) -> float:
 
     def get_sampler(self, p, args: ADetailerArgs) -> str:
         if args.ad_use_sampler:
+            if args.ad_sampler == "Use same sampler":
+                return p.sampler_name
             return args.ad_sampler
+
         if hasattr(p, "_ad_orig"):
             return p._ad_orig.sampler_name
         return p.sampler_name
@@ -382,7 +385,7 @@ def get_sampler(self, p, args: ADetailerArgs) -> str:
     def get_scheduler(self, p, args: ADetailerArgs) -> dict[str, str]:
         "webui >= 1.9.0"
         if not args.ad_use_sampler:
-            return {}
+            return {"scheduler": getattr(p, "scheduler", "Automatic")}
 
         if args.ad_scheduler == "Use same scheduler":
             value = getattr(p, "scheduler", "Automatic")
@@ -447,8 +450,8 @@ def script_filter(self, p, args: ADetailerArgs):
         script_runner = copy(p.scripts)
         script_args = self.script_args_copy(p.script_args)
 
-        ad_only_seleted_scripts = opts.data.get("ad_only_seleted_scripts", True)
-        if not ad_only_seleted_scripts:
+        ad_only_selected_scripts = opts.data.get("ad_only_selected_scripts", True)
+        if not ad_only_selected_scripts:
             return script_runner, script_args
 
         ad_script_names_string: str = opts.data.get("ad_script_names", SCRIPT_DEFAULT)
@@ -616,23 +619,18 @@ def i2i_prompts_replace(
         i2i.negative_prompt = negative_prompt
 
     @staticmethod
-    def compare_prompt(p, extra_params: dict[str, Any], processed, n: int = 0):
-        if not hasattr(p, "_ad_extra_params_result"):
-            p._ad_extra_params_result = {}
-
+    def compare_prompt(extra_params: dict[str, Any], processed, n: int = 0):
         pt = "ADetailer prompt" + suffix(n)
         if pt in extra_params and extra_params[pt] != processed.all_prompts[0]:
             print(
                 f"[-] ADetailer: applied {ordinal(n + 1)} ad_prompt: {processed.all_prompts[0]!r}"
             )
-            p._ad_extra_params_result[pt] = processed.all_prompts[0]
 
         ng = "ADetailer negative prompt" + suffix(n)
         if ng in extra_params and extra_params[ng] != processed.all_negative_prompts[0]:
             print(
                 f"[-] ADetailer: applied {ordinal(n + 1)} ad_negative_prompt: {processed.all_negative_prompts[0]!r}"
             )
-            p._ad_extra_params_result[ng] = processed.all_negative_prompts[0]
 
     @staticmethod
     def get_i2i_init_image(p, pp):
@@ -784,7 +782,7 @@ def _postprocess_image_inner(
             finally:
                 p2.close()
 
-            self.compare_prompt(p, p.extra_generation_params, processed, n=n)
+            self.compare_prompt(p.extra_generation_params, processed, n=n)
             p2 = copy(i2i)
             p2.init_images = [processed.images[0]]
 
@@ -807,7 +805,7 @@ def postprocess_image(self, p, pp, *args_):
 
         if need_call_postprocess(p):
             dummy = Processed(p, [], p.seed, "")
-            with preseve_prompts(p):
+            with preserve_prompts(p):
                 p.scripts.postprocess(copy(p), dummy)
 
         is_processed = False
@@ -823,17 +821,13 @@ def postprocess_image(self, p, pp, *args_):
             )
 
         if need_call_process(p):
-            with preseve_prompts(p):
+            with preserve_prompts(p):
                 copy_p = copy(p)
-                if hasattr(p.scripts, "before_process"):
-                    p.scripts.before_process(copy_p)
+                p.scripts.before_process(copy_p)
                 p.scripts.process(copy_p)
 
         self.write_params_txt(params_txt_content)
 
-        if hasattr(p, "_ad_extra_params_result"):
-            p.extra_generation_params.update(p._ad_extra_params_result)
-
 
 def on_after_component(component, **_kwargs):
     global txt2img_submit_button, img2img_submit_button
@@ -862,7 +856,7 @@ def on_ui_settings():
         "ad_extra_models_dir",
         shared.OptionInfo(
             default="",
-            label="Extra paths to scan adetailer models seperated by vertical bars(|)",
+            label="Extra paths to scan adetailer models separated by vertical bars(|)",
             component=gr.Textbox,
             section=section,
         )
@@ -881,7 +875,7 @@ def on_ui_settings():
     )
 
     shared.opts.add_option(
-        "ad_only_seleted_scripts",
+        "ad_only_selected_scripts",
         shared.OptionInfo(
             True, "Apply only selected scripts to ADetailer", section=section
         ),