diff --git a/apps/api/app/api/routes/auth.py b/apps/api/app/api/routes/auth.py
index 30be93305..5f178a313 100755
--- a/apps/api/app/api/routes/auth.py
+++ b/apps/api/app/api/routes/auth.py
@@ -31,6 +31,9 @@ from packages.application.auth.password_reset_use_case import (
 from packages.application.auth.register_user_use_case import RegisterUserRequest as RegisterUseCaseRequest
 from packages.application.auth.register_user_use_case import RegisterUserUseCase, VerifyEmailRequest, VerifyEmailUseCase
 from packages.ports.user_repository import UserRepository
+import logging
+
+logger = logging.getLogger(__name__)
 
 bearer_scheme = HTTPBearer(auto_error=False)
 
@@ -248,8 +251,8 @@ async def logout(
             payload = jwt.decode(credentials.credentials, settings.JWT_SECRET_KEY, algorithms=["HS256"])
             exp = payload.get("exp", 0)
             blacklist_token(credentials.credentials, exp)
-        except Exception:
-            pass
+        except Exception as e:
+            logger.warning(f"Operation failed in apps/api/app/api/routes/auth.py: {e}", exc_info=True)
     return MessageResponse(message="已登出")
 
 @router.get("/me", response_model=CurrentUserResponse)
diff --git a/apps/api/app/services/auto_clip_service.py b/apps/api/app/services/auto_clip_service.py
index bb945b16b..d485b5598 100644
--- a/apps/api/app/services/auto_clip_service.py
+++ b/apps/api/app/services/auto_clip_service.py
@@ -300,8 +300,8 @@ class AutoClipService:
         if min_quality is not None:
             try:
                 result["min_quality_score"] = float(min_quality)
-            except (TypeError, ValueError):
-                pass
+            except (TypeError, ValueError) as e:
+                logger.warning(f"Operation failed in apps/api/app/services/auto_clip_service.py: {e}", exc_info=True)
 
         # 分类筛选
         category = requirements.get("category") or requirements.get("classification")
diff --git a/apps/worker/video_processing/editing_modes.py b/apps/worker/video_processing/editing_modes.py
index 284c8647a..73dbce39f 100644
--- a/apps/worker/video_processing/editing_modes.py
+++ b/apps/worker/video_processing/editing_modes.py
@@ -253,8 +253,8 @@ class EditingModeProcessor:
             try:
                 if p != output_path:
                     os.remove(p)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/video_processing/editing_modes.py: {e}", exc_info=True)
 
         return output_path
 
@@ -314,8 +314,8 @@ class EditingModeProcessor:
 
         try:
             os.remove(concat_file)
-        except Exception:
-            pass
+        except Exception as e:
+            logger.warning(f"Operation failed in apps/worker/video_processing/editing_modes.py: {e}", exc_info=True)
 
         return output_path
 
@@ -438,8 +438,8 @@ class EditingModeProcessor:
             if temp_file and temp_file != output_path:
                 try:
                     os.remove(temp_file)
-                except Exception:
-                    pass
+                except Exception as e:
+                    logger.warning(f"Operation failed in apps/worker/video_processing/editing_modes.py: {e}", exc_info=True)
 
         return output_path
 
@@ -548,8 +548,8 @@ class EditingModeProcessor:
             try:
                 if temp_file != output_path:
                     os.remove(temp_file)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/video_processing/editing_modes.py: {e}", exc_info=True)
 
         return output_path
 
@@ -672,8 +672,8 @@ class EditingModeProcessor:
             try:
                 if temp_file != output_path:
                     os.remove(temp_file)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/video_processing/editing_modes.py: {e}", exc_info=True)
 
         return output_path
 
diff --git a/apps/worker/video_processing/video_compose_service.py b/apps/worker/video_processing/video_compose_service.py
index 5f4ddda2e..56e13d42e 100755
--- a/apps/worker/video_processing/video_compose_service.py
+++ b/apps/worker/video_processing/video_compose_service.py
@@ -310,8 +310,8 @@ class VideoComposeService:
             try:
                 if p != output_path:
                     os.remove(p)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/video_processing/video_compose_service.py: {e}", exc_info=True)
 
         return output_path
 
@@ -353,8 +353,8 @@ class VideoComposeService:
 
         try:
             os.remove(concat_file)
-        except Exception:
-            pass
+        except Exception as e:
+            logger.warning(f"Operation failed in apps/worker/video_processing/video_compose_service.py: {e}", exc_info=True)
 
         return output_path
 
@@ -423,8 +423,8 @@ class VideoComposeService:
             if temp_file and temp_file != output_path:
                 try:
                     os.remove(temp_file)
-                except Exception:
-                    pass
+                except Exception as e:
+                    logger.warning(f"Operation failed in apps/worker/video_processing/video_compose_service.py: {e}", exc_info=True)
 
         return output_path
 
@@ -484,8 +484,8 @@ class VideoComposeService:
             try:
                 if temp_file != output_path:
                     os.remove(temp_file)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/video_processing/video_compose_service.py: {e}", exc_info=True)
 
         return output_path
 
@@ -550,8 +550,8 @@ class VideoComposeService:
             try:
                 if temp_file != output_path:
                     os.remove(temp_file)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/video_processing/video_compose_service.py: {e}", exc_info=True)
 
         return output_path
 
diff --git a/apps/worker/worker_app/tasks/asset_analyzer.py b/apps/worker/worker_app/tasks/asset_analyzer.py
index 5496e27c9..218990289 100755
--- a/apps/worker/worker_app/tasks/asset_analyzer.py
+++ b/apps/worker/worker_app/tasks/asset_analyzer.py
@@ -121,8 +121,8 @@ class AssetAnalyzer:
 
             if os.path.exists(self._temp_dir):
                 shutil.rmtree(self._temp_dir)
-        except Exception:
-            pass
+        except Exception as e:
+            logger.warning(f"Operation failed in apps/worker/worker_app/tasks/asset_analyzer.py: {e}", exc_info=True)
 
     def get_video_info(self) -> VideoInfo:
         """获取视频基本信息"""
diff --git a/apps/worker/worker_app/tasks/compose_video.py b/apps/worker/worker_app/tasks/compose_video.py
index d1e51ab9f..270c1d15f 100755
--- a/apps/worker/worker_app/tasks/compose_video.py
+++ b/apps/worker/worker_app/tasks/compose_video.py
@@ -132,5 +132,5 @@ def compose_video(self, job_id: str, **kwargs):
             output_path = f"/tmp/video_output/{job_id}.mp4"
             if Path(output_path).exists():
                 Path(output_path).unlink()
-        except Exception:
-            pass
+        except Exception as e:
+            logger.warning(f"Operation failed in apps/worker/worker_app/tasks/compose_video.py: {e}", exc_info=True)
diff --git a/apps/worker/worker_app/tasks/edit_plan_generation.py b/apps/worker/worker_app/tasks/edit_plan_generation.py
index 1d2797887..9d31c2710 100644
--- a/apps/worker/worker_app/tasks/edit_plan_generation.py
+++ b/apps/worker/worker_app/tasks/edit_plan_generation.py
@@ -344,8 +344,8 @@ def render_edit_plan(self, plan_id: str) -> dict:
                 if plan and plan.status.value == "rendering":
                     plan.mark_failed()
                     plan_repo.update(plan)
-            except Exception:
-                pass
+            except Exception as e:
+                logger.warning(f"Operation failed in apps/worker/worker_app/tasks/edit_plan_generation.py: {e}", exc_info=True)
             raise self.retry(exc=exc, countdown=60)
 
     return {"status": "error", "message": "数据库连接失败"}
diff --git a/scripts/cleanup_generated_files.py b/scripts/cleanup_generated_files.py
index fe102b79f..80cb0f9d8 100644
--- a/scripts/cleanup_generated_files.py
+++ b/scripts/cleanup_generated_files.py
@@ -6,6 +6,9 @@ import argparse
 import os
 import time
 from pathlib import Path
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 def parse_args() -> argparse.Namespace:
@@ -39,8 +42,8 @@ def remove_empty_dirs(root: Path) -> None:
     for path in sorted((p for p in root.rglob("*") if p.is_dir()), key=lambda p: len(p.parts), reverse=True):
         try:
             path.rmdir()
-        except OSError:
-            pass
+        except OSError as e:
+            logger.warning(f"Operation failed in scripts/cleanup_generated_files.py: {e}", exc_info=True)
 
 
 def main() -> int:
diff --git a/scripts/smoke_test.py b/scripts/smoke_test.py
index 38451a7f3..821579aa3 100644
--- a/scripts/smoke_test.py
+++ b/scripts/smoke_test.py
@@ -12,6 +12,9 @@ import sys
 import time
 import urllib.error
 import urllib.request
+import logging
+
+logger = logging.getLogger(__name__)
 
 CORE_ENDPOINTS = [
     {
@@ -65,7 +68,7 @@ def make_request(base_url, endpoint, token=None):
         try:
             body = e.read().decode()[:200]
         except:
-            pass
+            logger.warning(f"Operation failed in scripts/smoke_test.py: {e}", exc_info=True)
         return {"status": e.code, "elapsed_ms": elapsed, "body": body, "error": None}
     except Exception as e:
         return {"status": 0, "elapsed_ms": 0, "body": "", "error": str(e)}
diff --git a/tests/integration/test_duplication_upload_error_handling.py b/tests/integration/test_duplication_upload_error_handling.py
index a76651861..a3dd7a94b 100644
--- a/tests/integration/test_duplication_upload_error_handling.py
+++ b/tests/integration/test_duplication_upload_error_handling.py
@@ -333,8 +333,8 @@ def _install_mocks():
         sys.modules["app.schemas.duplication"] = dup_schemas_mod
         sys.modules.setdefault("app.schemas", types.ModuleType("app.schemas"))
         sys.modules["app.schemas"].duplication = dup_schemas_mod
-    except Exception:
-        pass
+    except Exception as e:
+        logger.warning(f"Operation failed in tests/integration/test_duplication_upload_error_handling.py: {e}", exc_info=True)
 
     return User, AuthenticatedUser
 
@@ -347,6 +347,9 @@ for ns in ["app", "app.api", "app.api.routes"]:
         sys.modules[ns] = types.ModuleType(ns)
 
 import importlib.util
+import logging
+
+logger = logging.getLogger(__name__)
 
 _spec = importlib.util.spec_from_file_location("app.api.routes.duplication", "/tmp/duplication_routes_fixed.py")
 duplication = importlib.util.module_from_spec(_spec)
diff --git a/tests/unit/test_dedup_engine.py b/tests/unit/test_dedup_engine.py
index 1b5181c67..36dcebfae 100644
--- a/tests/unit/test_dedup_engine.py
+++ b/tests/unit/test_dedup_engine.py
@@ -55,8 +55,8 @@ try:
     import cv2 as _cv2
     if not isinstance(_cv2, MagicMock):
         _HAS_CV2 = True
-except (ImportError, ModuleNotFoundError):
-    pass
+except (ImportError, ModuleNotFoundError) as e:
+    logger.warning(f"Operation failed in tests/unit/test_dedup_engine.py: {e}", exc_info=True)
 
 import numpy as np  # noqa: E402
 import pytest  # noqa: E402
@@ -65,6 +65,10 @@ import pytest  # noqa: E402
 if not _HAS_CV2:
     _mock_if_absent("cv2")
 
+import logging
+
+logger = logging.getLogger(__name__)
+
 from apps.worker.video_processing.dedup import (  # noqa: E402
     VideoDeduplicator,
     VideoFingerprint,
diff --git a/tests/unit/test_phase8_edit_models.py b/tests/unit/test_phase8_edit_models.py
index bb84b0788..afd89eb9f 100644
--- a/tests/unit/test_phase8_edit_models.py
+++ b/tests/unit/test_phase8_edit_models.py
@@ -17,6 +17,9 @@ from packages.adapters.sqlalchemy_impl.edit_template_repository import (
 from packages.adapters.sqlalchemy_impl.models import Base
 from packages.domain.edit_plan import EditPlan, EditPlanStatus
 from packages.domain.edit_template import EditTemplate, EditTemplateStatus
+import logging
+
+logger = logging.getLogger(__name__)
 
 
 # ── EditTemplate 领域实体测试 ──────────────────────────────────────────
@@ -109,24 +112,24 @@ class TestEditPlan:
         try:
             p.start_rendering()  # draft → rendering 不合法
             assert False, "应该抛出 ValueError"
-        except ValueError:
-            pass
+        except ValueError as e:
+            logger.warning(f"Operation failed in tests/unit/test_phase8_edit_models.py: {e}", exc_info=True)
 
     def test_mark_completed_from_non_rendering_raises(self):
         p = EditPlan.create("tpl-1", "test")
         try:
             p.mark_completed()  # draft → completed 不合法
             assert False, "应该抛出 ValueError"
-        except ValueError:
-            pass
+        except ValueError as e:
+            logger.warning(f"Operation failed in tests/unit/test_phase8_edit_models.py: {e}", exc_info=True)
 
     def test_reset_from_non_failed_raises(self):
         p = EditPlan.create("tpl-1", "test")
         try:
             p.reset_to_draft()  # draft → draft 不合法
             assert False, "应该抛出 ValueError"
-        except ValueError:
-            pass
+        except ValueError as e:
+            logger.warning(f"Operation failed in tests/unit/test_phase8_edit_models.py: {e}", exc_info=True)
 
 
 # ── Repository 集成测试（内存 SQLite） ─────────────────────────────────