diff --git a/api/core/app/app_config/common/parameters_mapping/__init__.py b/api/core/app/app_config/common/parameters_mapping/__init__.py
index 460fdfb3ba9..68686ceda65 100644
--- a/api/core/app/app_config/common/parameters_mapping/__init__.py
+++ b/api/core/app/app_config/common/parameters_mapping/__init__.py
@@ -5,6 +5,10 @@ from configs import dify_config
 from constants import DEFAULT_FILE_NUMBER_LIMITS
 
 
+class FeatureToggleDict(TypedDict):
+    enabled: bool
+
+
 class SystemParametersDict(TypedDict):
     image_file_size_limit: int
     video_file_size_limit: int
@@ -16,12 +20,12 @@ class SystemParametersDict(TypedDict):
 class AppParametersDict(TypedDict):
     opening_statement: str | None
     suggested_questions: list[str]
-    suggested_questions_after_answer: dict[str, Any]
-    speech_to_text: dict[str, Any]
-    text_to_speech: dict[str, Any]
-    retriever_resource: dict[str, Any]
-    annotation_reply: dict[str, Any]
-    more_like_this: dict[str, Any]
+    suggested_questions_after_answer: FeatureToggleDict
+    speech_to_text: FeatureToggleDict
+    text_to_speech: FeatureToggleDict
+    retriever_resource: FeatureToggleDict
+    annotation_reply: FeatureToggleDict
+    more_like_this: FeatureToggleDict
     user_input_form: list[dict[str, Any]]
     sensitive_word_avoidance: dict[str, Any]
     file_upload: dict[str, Any]