diff --git a/api/app_factory.py b/api/app_factory.py
index 032d6b17fc..8a0417dd72 100644
--- a/api/app_factory.py
+++ b/api/app_factory.py
@@ -5,6 +5,8 @@ from configs import dify_config
 from contexts.wrapper import RecyclableContextVar
 from dify_app import DifyApp
 
+logger = logging.getLogger(__name__)
+
 
 # ----------------------------
 # Application Factory Function
@@ -32,7 +34,7 @@ def create_app() -> DifyApp:
     initialize_extensions(app)
     end_time = time.perf_counter()
     if dify_config.DEBUG:
-        logging.info("Finished create_app (%s ms)", round((end_time - start_time) * 1000, 2))
+        logger.info("Finished create_app (%s ms)", round((end_time - start_time) * 1000, 2))
     return app
 
 
@@ -93,14 +95,14 @@ def initialize_extensions(app: DifyApp):
         is_enabled = ext.is_enabled() if hasattr(ext, "is_enabled") else True
         if not is_enabled:
             if dify_config.DEBUG:
-                logging.info("Skipped %s", short_name)
+                logger.info("Skipped %s", short_name)
             continue
 
         start_time = time.perf_counter()
         ext.init_app(app)
         end_time = time.perf_counter()
         if dify_config.DEBUG:
-            logging.info("Loaded %s (%s ms)", short_name, round((end_time - start_time) * 1000, 2))
+            logger.info("Loaded %s (%s ms)", short_name, round((end_time - start_time) * 1000, 2))
 
 
 def create_migrations_app():
diff --git a/api/tests/test_containers_integration_tests/services/test_annotation_service.py b/api/tests/test_containers_integration_tests/services/test_annotation_service.py
index 8816698af8..92d93d601e 100644
--- a/api/tests/test_containers_integration_tests/services/test_annotation_service.py
+++ b/api/tests/test_containers_integration_tests/services/test_annotation_service.py
@@ -410,18 +410,18 @@ class TestAnnotationService:
         app, account = self._create_test_app_and_account(db_session_with_containers, mock_external_service_dependencies)
 
         # Create annotations with specific keywords
-        unique_keyword = fake.word()
+        unique_keyword = f"unique_{fake.uuid4()[:8]}"
         annotation_args = {
             "question": f"Question with {unique_keyword} keyword",
             "answer": f"Answer with {unique_keyword} keyword",
         }
         AppAnnotationService.insert_app_annotation_directly(annotation_args, app.id)
-
         # Create another annotation without the keyword
         other_args = {
-            "question": "Question without keyword",
-            "answer": "Answer without keyword",
+            "question": "Different question without special term",
+            "answer": "Different answer without special content",
         }
+
         AppAnnotationService.insert_app_annotation_directly(other_args, app.id)
 
         # Search with keyword