diff --git a/kag/builder/prompt/utils.py b/kag/builder/prompt/utils.py
index 79984001..ef07045f 100644
--- a/kag/builder/prompt/utils.py
+++ b/kag/builder/prompt/utils.py
@@ -9,15 +9,17 @@
 # Unless required by applicable law or agreed to in writing, software distributed under the License
 # is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 # or implied.
-
+import logging
 from kag.interface import PromptABC
 
+logger = logging.getLogger(__name__)
+
 
 def init_prompt_with_fallback(prompt_name, biz_scene):
     try:
         return PromptABC.from_config({"type": f"{biz_scene}_{prompt_name}"})
     except Exception as e:
-        print(
+        logger.debug(
             f"fail to initialize prompts with biz scene {biz_scene}, fallback to default biz scene, info: {e}"
         )
 
diff --git a/kag/common/registry/registrable.py b/kag/common/registry/registrable.py
index 7e0bbacd..212226af 100644
--- a/kag/common/registry/registrable.py
+++ b/kag/common/registry/registrable.py
@@ -809,7 +809,7 @@ class Registrable:
                     params.clear()
                     setattr(instant, "__from_config_kwargs__", remaining_kwargs)
         except Exception as e:
-            logger.warn(f"Failed to initialize class {cls}, info: {e}")
+            logger.debug(f"Failed to initialize class {cls}, info: {e}")
             raise e
         if len(params) > 0:
             logger.warn(f"These params are not used for constructing {cls}:\n{params}")