diff --git a/apps/application/flow/step_node/intent_node/impl/base_intent_node.py b/apps/application/flow/step_node/intent_node/impl/base_intent_node.py
index cdf8a769abf..64822aa9a20 100644
--- a/apps/application/flow/step_node/intent_node/impl/base_intent_node.py
+++ b/apps/application/flow/step_node/intent_node/impl/base_intent_node.py
@@ -63,6 +63,8 @@ def execute(self, model_id, dialogue_number, history_chat_record, user_input, br
             if reference_data and isinstance(reference_data, dict):
                 model_id = reference_data.get('model_id', model_id)
                 model_params_setting = reference_data.get('model_params_setting')
+        if not model_id:
+            raise Exception(_('Model is not allowed to be empty'))
 
         # 设置默认模型参数
         if model_params_setting is None and model_id:
diff --git a/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py b/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py
index c23e0512e8b..ae13f7c6c77 100644
--- a/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py
+++ b/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py
@@ -94,6 +94,10 @@ def save_context(self, details, workflow_manage):
     def execute(self, input_variable, variable_list, model_params_setting, model_id, **kwargs) -> NodeResult:
         input_variable = str(input_variable)
         self.context['request'] = input_variable
+
+        if not model_id:
+            raise Exception(_('Model is not allowed to be empty'))
+
         if model_params_setting is None and model_id:
             model_params_setting = get_default_model_params_setting(model_id)
         workspace_id = self.workflow_manage.get_body().get('workspace_id')
diff --git a/apps/application/flow/step_node/question_node/impl/base_question_node.py b/apps/application/flow/step_node/question_node/impl/base_question_node.py
index 2a83493a534..3f622c5f2dc 100644
--- a/apps/application/flow/step_node/question_node/impl/base_question_node.py
+++ b/apps/application/flow/step_node/question_node/impl/base_question_node.py
@@ -94,6 +94,8 @@ def execute(self, model_id, system, prompt, dialogue_number, history_chat_record
             if reference_data and isinstance(reference_data, dict):
                 model_id = reference_data.get('model_id', model_id)
                 model_params_setting = reference_data.get('model_params_setting')
+        if not model_id:
+            raise Exception(_('Model is not allowed to be empty'))
 
         if model_params_setting is None and model_id:
             model_params_setting = get_default_model_params_setting(model_id)