diff --git a/scripts/controlnet.py b/scripts/controlnet.py
index 35ccfc071e6..0b99b8b7b35 100644
--- a/scripts/controlnet.py
+++ b/scripts/controlnet.py
@@ -731,6 +731,33 @@ def process(self, p, *args):
             # safe numpy
             input_image = np.ascontiguousarray(input_image.copy()).copy()
 
+            if unit.processor_res < 0:
+                try:
+                    cfg = preprocessor_sliders_config[global_state.get_module_basename(unit.module)]
+                    unit.processor_res = int(cfg[0]['value'])
+                    logger.info(f'API used default config: unit.processor_res = {unit.processor_res}')
+                except:
+                    unit.processor_res = 512
+                    logger.info(f'API used default value: unit.processor_res = {unit.processor_res}')
+
+            if unit.threshold_a < 0:
+                try:
+                    cfg = preprocessor_sliders_config[global_state.get_module_basename(unit.module)]
+                    unit.threshold_a = float(cfg[1]['value'])
+                    logger.info(f'API used default config: unit.threshold_a = {unit.threshold_a}')
+                except:
+                    unit.threshold_a = 0
+                    logger.info(f'API used default value: unit.threshold_a = {unit.threshold_a}')
+
+            if unit.threshold_b < 0:
+                try:
+                    cfg = preprocessor_sliders_config[global_state.get_module_basename(unit.module)]
+                    unit.threshold_b = float(cfg[2]['value'])
+                    logger.info(f'API used default config: unit.threshold_b = {unit.threshold_b}')
+                except:
+                    unit.threshold_b = 0
+                    logger.info(f'API used default value: unit.threshold_b = {unit.threshold_b}')
+
             logger.info(f"Loading preprocessor: {unit.module}")
             preprocessor = self.preprocessor[unit.module]
             h, w, bsz = p.height, p.width, p.batch_size
diff --git a/scripts/controlnet_version.py b/scripts/controlnet_version.py
index 22cb7c954c3..3514b81caf8 100644
--- a/scripts/controlnet_version.py
+++ b/scripts/controlnet_version.py
@@ -1,4 +1,4 @@
-version_flag = 'v1.1.217'
+version_flag = 'v1.1.218'
 
 from scripts.logging import logger
 
diff --git a/scripts/external_code.py b/scripts/external_code.py
index 5c84d0f9f82..93d23c4673a 100644
--- a/scripts/external_code.py
+++ b/scripts/external_code.py
@@ -155,9 +155,9 @@ def __init__(
         image: Optional[InputImage]=None,
         resize_mode: Union[ResizeMode, int, str] = ResizeMode.INNER_FIT,
         low_vram: bool=False,
-        processor_res: int=512,
-        threshold_a: float=64,
-        threshold_b: float=64,
+        processor_res: int=-1,
+        threshold_a: float=-1,
+        threshold_b: float=-1,
         guidance_start: float=0.0,
         guidance_end: float=1.0,
         pixel_perfect: bool=False,