diff --git a/apps/application/flow/step_node/ai_chat_step_node/impl/base_chat_node.py b/apps/application/flow/step_node/ai_chat_step_node/impl/base_chat_node.py
index 53dfe7a0cd4..1dc23e58281 100644
--- a/apps/application/flow/step_node/ai_chat_step_node/impl/base_chat_node.py
+++ b/apps/application/flow/step_node/ai_chat_step_node/impl/base_chat_node.py
@@ -187,7 +187,7 @@ def execute(self, model_id, system, prompt, dialogue_number, history_chat_record
         self.context['model_setting'] = model_setting
         workspace_id = self.workflow_manage.get_body().get('workspace_id')
         chat_model = get_model_instance_by_model_workspace_id(model_id, workspace_id,
-                                                              **model_params_setting)
+                                                              **(model_params_setting or {}))
         history_message = self.get_history_message(history_chat_record, dialogue_number, dialogue_type,
                                                    self.runtime_node_id)
         self.context['history_message'] = [{'content': message.content, 'role': message.type} for message in
diff --git a/apps/application/flow/step_node/image_to_video_step_node/i_image_to_video_node.py b/apps/application/flow/step_node/image_to_video_step_node/i_image_to_video_node.py
index adc6731ee0e..f3aee5ef5c1 100644
--- a/apps/application/flow/step_node/image_to_video_step_node/i_image_to_video_node.py
+++ b/apps/application/flow/step_node/image_to_video_step_node/i_image_to_video_node.py
@@ -10,7 +10,10 @@
 
 
 class ImageToVideoNodeSerializer(serializers.Serializer):
-    model_id = serializers.CharField(required=True, label=_("Model id"))
+    model_id = serializers.CharField(required=False, allow_blank=True, allow_null=True, label=_("Model id"))
+    model_id_type = serializers.CharField(required=False, default='custom', label=_("Model id type"))
+    model_id_reference = serializers.ListField(required=False, child=serializers.CharField(), allow_empty=True,
+                                               label=_("Reference Field"))
 
     prompt = serializers.CharField(required=True, label=_("Prompt word (positive)"))
 
@@ -69,5 +72,6 @@ def execute(self, model_id, prompt, negative_prompt, dialogue_number, dialogue_t
                 model_params_setting,
                 chat_record_id,
                 first_frame_url, last_frame_url,
+                model_id_type=None, model_id_reference=None,
                 **kwargs) -> NodeResult:
         pass
diff --git a/apps/application/flow/step_node/image_to_video_step_node/impl/base_image_to_video_node.py b/apps/application/flow/step_node/image_to_video_step_node/impl/base_image_to_video_node.py
index 2bc6a2a02ca..895068c9bb2 100644
--- a/apps/application/flow/step_node/image_to_video_step_node/impl/base_image_to_video_node.py
+++ b/apps/application/flow/step_node/image_to_video_step_node/impl/base_image_to_video_node.py
@@ -29,10 +29,21 @@ def execute(self, model_id, prompt, negative_prompt, dialogue_number, dialogue_t
                 model_params_setting,
                 chat_record_id,
                 first_frame_url, last_frame_url=None,
+                model_id_type=None, model_id_reference=None,
                 **kwargs) -> NodeResult:
+        # 处理引用类型
+        if model_id_type == 'reference' and model_id_reference:
+            reference_data = self.workflow_manage.get_reference_field(
+                model_id_reference[0],
+                model_id_reference[1:],
+            )
+            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')
+
         workspace_id = self.workflow_manage.get_body().get('workspace_id')
         ttv_model = get_model_instance_by_model_workspace_id(model_id, workspace_id,
-                                                             **model_params_setting)
+                                                             **(model_params_setting or {}))
         history_message = self.get_history_message(history_chat_record, dialogue_number)
         self.context['history_message'] = history_message
         question = self.generate_prompt_question(prompt)
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 d458ac8268f..cdf8a769abf 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
@@ -71,7 +71,7 @@ def execute(self, model_id, dialogue_number, history_chat_record, user_input, br
         # 获取模型实例
         workspace_id = self.workflow_manage.get_body().get('workspace_id')
         chat_model = get_model_instance_by_model_workspace_id(
-            model_id, workspace_id, **model_params_setting
+            model_id, workspace_id, **(model_params_setting or {})
         )
 
         # 获取历史对话
diff --git a/apps/application/flow/step_node/parameter_extraction_node/i_parameter_extraction_node.py b/apps/application/flow/step_node/parameter_extraction_node/i_parameter_extraction_node.py
index f36cd4c26ce..54c60bb096c 100644
--- a/apps/application/flow/step_node/parameter_extraction_node/i_parameter_extraction_node.py
+++ b/apps/application/flow/step_node/parameter_extraction_node/i_parameter_extraction_node.py
@@ -19,7 +19,10 @@ class VariableSplittingNodeParamsSerializer(serializers.Serializer):
     model_params_setting = serializers.DictField(required=False,
                                                  label=_("Model parameter settings"))
 
-    model_id = serializers.CharField(required=True, label=_("Model id"))
+    model_id = serializers.CharField(required=False, allow_blank=True, allow_null=True, label=_("Model id"))
+    model_id_type = serializers.CharField(required=False, default='custom', label=_("Model id type"))
+    model_id_reference = serializers.ListField(required=False, child=serializers.CharField(), allow_empty=True,
+                                               label=_("Reference Field"))
 
 
 class IParameterExtractionNode(INode):
@@ -31,12 +34,25 @@ def get_node_params_serializer_class(self) -> Type[serializers.Serializer]:
         return VariableSplittingNodeParamsSerializer
 
     def _run(self):
+        model_id_type = self.node_params_serializer.data.get('model_id_type')
+        model_id_reference = self.node_params_serializer.data.get('model_id_reference')
+        model_id = self.node_params_serializer.data.get('model_id')
+        model_params_setting = self.node_params_serializer.data.get('model_params_setting')
+        # 处理引用类型
+        if model_id_type == 'reference' and model_id_reference:
+            reference_data = self.workflow_manage.get_reference_field(
+                model_id_reference[0],
+                model_id_reference[1:],
+            )
+            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')
+
         input_variable = self.workflow_manage.get_reference_field(
             self.node_params_serializer.data.get('input_variable')[0],
             self.node_params_serializer.data.get('input_variable')[1:])
         return self.execute(input_variable, self.node_params_serializer.data['variable_list'],
-                            self.node_params_serializer.data['model_params_setting'],
-                            self.node_params_serializer.data['model_id'])
+                            model_params_setting, model_id)
 
     def execute(self, input_variable, variable_list, model_params_setting, model_id, **kwargs) -> NodeResult:
         pass
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 0d64c6b1d11..c23e0512e8b 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
@@ -94,11 +94,12 @@ 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 model_params_setting is None:
+        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')
         chat_model = get_model_instance_by_model_workspace_id(model_id, workspace_id,
-                                                              **model_params_setting)
+                                                              **(model_params_setting or {}))
+
         content = generate_content(input_variable, variable_list)
         response = chat_model.invoke([HumanMessage(content=content)])
         result = json_loads(response.content, variable_list)
diff --git a/apps/application/flow/step_node/question_node/i_question_node.py b/apps/application/flow/step_node/question_node/i_question_node.py
index 63d5454a4bd..c083df91e7f 100644
--- a/apps/application/flow/step_node/question_node/i_question_node.py
+++ b/apps/application/flow/step_node/question_node/i_question_node.py
@@ -16,7 +16,10 @@
 
 
 class QuestionNodeSerializer(serializers.Serializer):
-    model_id = serializers.CharField(required=True, label=_("Model id"))
+    model_id = serializers.CharField(required=False, allow_blank=True, allow_null=True, label=_("Model id"))
+    model_id_type = serializers.CharField(required=False, default='custom', label=_("Model id type"))
+    model_id_reference = serializers.ListField(required=False, child=serializers.CharField(), allow_empty=True,
+                                               label=_("Reference Field"))
     system = serializers.CharField(required=False, allow_blank=True, allow_null=True,
                                    label=_("Role Setting"))
     prompt = serializers.CharField(required=True, label=_("Prompt word"))
@@ -42,6 +45,6 @@ def _run(self):
         return self.execute(**self.node_params_serializer.data, **self.flow_params_serializer.data)
 
     def execute(self, model_id, system, prompt, dialogue_number, history_chat_record, stream, chat_id, chat_record_id,
-                model_params_setting=None,
+                model_params_setting=None, model_id_type=None, model_id_reference=None,
                 **kwargs) -> NodeResult:
         pass
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 d2ccad823f0..2a83493a534 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
@@ -83,13 +83,23 @@ def save_context(self, details, workflow_manage):
             self.answer_text = details.get('answer')
 
     def execute(self, model_id, system, prompt, dialogue_number, history_chat_record, stream, chat_id, chat_record_id,
-                model_params_setting=None,
+                model_params_setting=None, model_id_type=None, model_id_reference=None,
                 **kwargs) -> NodeResult:
-        if model_params_setting is None:
+        # 处理引用类型
+        if model_id_type == 'reference' and model_id_reference:
+            reference_data = self.workflow_manage.get_reference_field(
+                model_id_reference[0],
+                model_id_reference[1:],
+            )
+            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 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')
         chat_model = get_model_instance_by_model_workspace_id(model_id, workspace_id,
-                                                              **model_params_setting)
+                                                              **(model_params_setting or {}))
         history_message = self.get_history_message(history_chat_record, dialogue_number)
         self.context['history_message'] = history_message
         question = self.generate_prompt_question(prompt)
diff --git a/apps/application/flow/step_node/text_to_speech_step_node/impl/base_text_to_speech_node.py b/apps/application/flow/step_node/text_to_speech_step_node/impl/base_text_to_speech_node.py
index d593e3b1f48..cd68e315d4b 100644
--- a/apps/application/flow/step_node/text_to_speech_step_node/impl/base_text_to_speech_node.py
+++ b/apps/application/flow/step_node/text_to_speech_step_node/impl/base_text_to_speech_node.py
@@ -69,7 +69,7 @@ def execute(self, tts_model_id,
             self.context['content'] = chunk
             workspace_id = self.workflow_manage.get_body().get('workspace_id')
             model = get_model_instance_by_model_workspace_id(
-                tts_model_id, workspace_id, **model_params_setting)
+                tts_model_id, workspace_id, **(model_params_setting or {}))
 
             audio_byte = model.text_to_speech(chunk)
 
diff --git a/apps/application/flow/step_node/video_understand_step_node/i_video_understand_node.py b/apps/application/flow/step_node/video_understand_step_node/i_video_understand_node.py
index 25d2971959c..fb4c7b5fa55 100644
--- a/apps/application/flow/step_node/video_understand_step_node/i_video_understand_node.py
+++ b/apps/application/flow/step_node/video_understand_step_node/i_video_understand_node.py
@@ -10,7 +10,10 @@
 
 
 class VideoUnderstandNodeSerializer(serializers.Serializer):
-    model_id = serializers.CharField(required=True, label=_("Model id"))
+    model_id = serializers.CharField(required=False, allow_blank=True, allow_null=True, label=_("Model id"))
+    model_id_type = serializers.CharField(required=False, default='custom', label=_("Model id type"))
+    model_id_reference = serializers.ListField(required=False, child=serializers.CharField(), allow_empty=True,
+                                               label=_("Reference Field"))
     system = serializers.CharField(required=False, allow_blank=True, allow_null=True,
                                    label=_("Role Setting"))
     prompt = serializers.CharField(required=True, label=_("Prompt word"))
@@ -52,5 +55,6 @@ def execute(self, model_id, system, prompt, dialogue_number, dialogue_type, hist
                 model_params_setting,
                 chat_record_id,
                 video,
+                model_id_type=None, model_id_reference=None,
                 **kwargs) -> NodeResult:
         pass
diff --git a/apps/application/flow/step_node/video_understand_step_node/impl/base_video_understand_node.py b/apps/application/flow/step_node/video_understand_step_node/impl/base_video_understand_node.py
index 3d75d980be1..3952ca9175d 100644
--- a/apps/application/flow/step_node/video_understand_step_node/impl/base_video_understand_node.py
+++ b/apps/application/flow/step_node/video_understand_step_node/impl/base_video_understand_node.py
@@ -75,10 +75,21 @@ def execute(self, model_id, system, prompt, dialogue_number, dialogue_type, hist
                 model_params_setting,
                 chat_record_id,
                 video,
+                model_id_type=None, model_id_reference=None,
                 **kwargs) -> NodeResult:
+        # 处理引用类型
+        if model_id_type == 'reference' and model_id_reference:
+            reference_data = self.workflow_manage.get_reference_field(
+                model_id_reference[0],
+                model_id_reference[1:],
+            )
+            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')
+
         workspace_id = self.workflow_manage.get_body().get('workspace_id')
         video_model = get_model_instance_by_model_workspace_id(model_id, workspace_id,
-                                                               **model_params_setting)
+                                                               **(model_params_setting or {}))
         # 执行详情中的历史消息不需要图片内容
         history_message = self.get_history_message_for_details(history_chat_record, dialogue_number)
         self.context['history_message'] = history_message
diff --git a/ui/src/workflow/nodes/image-to-video/index.vue b/ui/src/workflow/nodes/image-to-video/index.vue
index 1c9fd57d2f5..cbb51a7313d 100644
--- a/ui/src/workflow/nodes/image-to-video/index.vue
+++ b/ui/src/workflow/nodes/image-to-video/index.vue
@@ -13,10 +13,13 @@
       >
         <el-form-item
           :label="$t('workflow.nodes.imageToVideoGenerate.model.label')"
-          prop="model_id"
+          :prop="form_data.model_id_type === 'reference' ? 'model_id_reference' : 'model_id'"
           :rules="{
             required: true,
-            message: $t('workflow.nodes.imageToVideoGenerate.model.requiredMessage'),
+            message:
+              form_data.model_id_type === 'reference'
+                ? $t('workflow.variable.placeholder')
+                : $t('workflow.nodes.imageToVideoGenerate.model.requiredMessage'),
             trigger: 'change',
           }"
         >
@@ -28,31 +31,51 @@
                   }}<span class="color-danger">*</span></span
                 >
               </div>
+              <el-select
+                v-model="form_data.model_id_type"
+                :teleported="false"
+                size="small"
+                style="width: 85px"
+                @change="form_data.model_id_reference = []"
+              >
+                <el-option :label="$t('workflow.variable.Referencing')" value="reference" />
+                <el-option :label="$t('common.custom')" value="custom" />
+              </el-select>
+            </div>
+          </template>
+          <div class="flex-between w-full" v-if="form_data.model_id_type !== 'reference'">
+            <ModelSelect
+              @change="model_change"
+              @wheel="wheel"
+              :teleported="false"
+              v-model="form_data.model_id"
+              @focus="getSelectModel"
+              :placeholder="$t('workflow.nodes.imageToVideoGenerate.model.requiredMessage')"
+              :options="modelOptions"
+              showFooter
+              :model-type="'ITV'"
+            ></ModelSelect>
+            <div class="ml-8">
               <el-button
                 :disabled="!form_data.model_id"
-                type="primary"
-                link
                 @click="openAIParamSettingDialog(form_data.model_id)"
                 @refreshForm="refreshParam"
               >
-                <AppIcon iconName="app-setting"></AppIcon>
+                <el-icon>
+                  <Operation />
+                </el-icon>
               </el-button>
             </div>
-          </template>
-
-          <ModelSelect
-            @change="model_change"
-            @wheel="wheel"
-            :teleported="false"
-            v-model="form_data.model_id"
-            @focus="getSelectModel"
-            :placeholder="$t('workflow.nodes.imageToVideoGenerate.model.requiredMessage')"
-            :options="modelOptions"
-            showFooter
-            :model-type="'ITV'"
-          ></ModelSelect>
+          </div>
+          <NodeCascader
+            v-else
+            ref="nodeCascaderRef"
+            :nodeModel="nodeModel"
+            class="w-full"
+            :placeholder="$t('workflow.variable.placeholder')"
+            v-model="form_data.model_id_reference"
+          />
         </el-form-item>
-
         <el-form-item
           :label="$t('workflow.nodes.imageToVideoGenerate.prompt.label')"
           prop="prompt"
@@ -203,6 +226,7 @@ import { useRoute } from 'vue-router'
 import { loadSharedApi } from '@/utils/dynamics-api/shared-api'
 import NodeCascader from '@/workflow/common/NodeCascader.vue'
 import { WorkflowMode } from '@/enums/application'
+
 const workflowMode = (inject('workflowMode') as WorkflowMode) || WorkflowMode.Application
 const getResourceDetail = inject('getResourceDetail') as any
 const route = useRoute()
@@ -224,10 +248,14 @@ const apiType = computed(() => {
 const props = defineProps<{ nodeModel: any }>()
 const modelOptions = ref<any>(null)
 const AIModeParamSettingDialogRef = ref<InstanceType<typeof AIModeParamSettingDialog>>()
+const nodeCascaderRef = ref()
 
 const aiChatNodeFormRef = ref<FormInstance>()
 const validate = () => {
-  return aiChatNodeFormRef.value?.validate().catch((err) => {
+  return Promise.all([
+    nodeCascaderRef.value ? nodeCascaderRef.value.validate() : Promise.resolve(''),
+    aiChatNodeFormRef.value?.validate(),
+  ]).catch((err: any) => {
     return Promise.reject({ node: props.nodeModel, errMessage: err })
   })
 }
@@ -246,6 +274,8 @@ const defaultPrompt = `{{${t('workflow.nodes.startNode.label')}.question}}`
 
 const form = {
   model_id: '',
+  model_id_type: 'custom',
+  model_id_reference: [],
   system: '',
   prompt: defaultPrompt,
   negative_prompt: '',
@@ -261,6 +291,12 @@ const form = {
 const form_data = computed({
   get: () => {
     if (props.nodeModel.properties.node_data) {
+      if (!props.nodeModel.properties.node_data.model_id_type) {
+        set(props.nodeModel.properties.node_data, 'model_id_type', 'custom')
+      }
+      if (!props.nodeModel.properties.node_data.model_id_reference) {
+        set(props.nodeModel.properties.node_data, 'model_id_reference', [])
+      }
       return props.nodeModel.properties.node_data
     } else {
       set(props.nodeModel.properties, 'node_data', form)
diff --git a/ui/src/workflow/nodes/parameter-extraction-node/index.vue b/ui/src/workflow/nodes/parameter-extraction-node/index.vue
index 0e7369be1ab..0a54f890f52 100644
--- a/ui/src/workflow/nodes/parameter-extraction-node/index.vue
+++ b/ui/src/workflow/nodes/parameter-extraction-node/index.vue
@@ -13,10 +13,13 @@
       >
         <el-form-item
           :label="$t('views.application.form.aiModel.label')"
-          prop="model_id"
+          :prop="form_data.model_id_type === 'reference' ? 'model_id_reference' : 'model_id'"
           :rules="{
             required: true,
-            message: $t('views.application.form.aiModel.placeholder'),
+            message:
+              form_data.model_id_type === 'reference'
+                ? $t('workflow.variable.placeholder')
+                : $t('views.application.form.aiModel.placeholder'),
             trigger: 'change',
           }"
         >
@@ -28,29 +31,50 @@
                   }}<span class="color-danger ml-4">*</span></span
                 >
               </div>
-
+              <el-select
+                v-model="form_data.model_id_type"
+                :teleported="false"
+                size="small"
+                style="width: 85px"
+                @change="form_data.model_id_reference = []"
+              >
+                <el-option :label="$t('workflow.variable.Referencing')" value="reference" />
+                <el-option :label="$t('common.custom')" value="custom" />
+              </el-select>
+            </div>
+          </template>
+          <div class="flex-between w-full" v-if="form_data.model_id_type !== 'reference'">
+            <ModelSelect
+              @change="model_change"
+              @wheel="wheel"
+              :teleported="false"
+              v-model="form_data.model_id"
+              :placeholder="$t('views.application.form.aiModel.placeholder')"
+              :options="modelOptions"
+              @submitModel="getSelectModel"
+              showFooter
+              :model-type="'LLM'"
+            ></ModelSelect>
+            <div class="ml-8">
               <el-button
                 :disabled="!form_data.model_id"
-                type="primary"
-                link
                 @click="openAIParamSettingDialog(form_data.model_id)"
                 @refreshForm="refreshParam"
               >
-                <AppIcon iconName="app-setting"></AppIcon>
+                <el-icon>
+                  <Operation />
+                </el-icon>
               </el-button>
             </div>
-          </template>
-          <ModelSelect
-            @change="model_change"
-            @wheel="wheel"
-            :teleported="false"
-            v-model="form_data.model_id"
-            :placeholder="$t('views.application.form.aiModel.placeholder')"
-            :options="modelOptions"
-            @submitModel="getSelectModel"
-            showFooter
-            :model-type="'LLM'"
-          ></ModelSelect>
+          </div>
+          <NodeCascader
+            v-else
+            ref="nodeCascaderRef"
+            :nodeModel="nodeModel"
+            class="w-full"
+            :placeholder="$t('workflow.variable.placeholder')"
+            v-model="form_data.model_id_reference"
+          />
         </el-form-item>
         <el-form-item
           prop="input_variable"
@@ -161,12 +185,20 @@ const form = {
   input_variable: [],
   model_params_setting: {},
   model_id: '',
+  model_id_type: 'custom',
+  model_id_reference: [],
   variable_list: [],
 }
 
 const form_data = computed({
   get: () => {
     if (props.nodeModel.properties.node_data) {
+      if (!props.nodeModel.properties.node_data.model_id_type) {
+        set(props.nodeModel.properties.node_data, 'model_id_type', 'custom')
+      }
+      if (!props.nodeModel.properties.node_data.model_id_reference) {
+        set(props.nodeModel.properties.node_data, 'model_id_reference', [])
+      }
       return props.nodeModel.properties.node_data
     } else {
       set(props.nodeModel.properties, 'node_data', form)
@@ -187,8 +219,13 @@ const model_change = (model_id?: string) => {
 }
 
 const VariableSplittingRef = ref()
+const nodeCascaderRef = ref()
+
 const validate = async () => {
-  return VariableSplittingRef.value.validate().catch((err: any) => {
+  return Promise.all([
+    nodeCascaderRef.value ? nodeCascaderRef.value.validate() : Promise.resolve(''),
+    VariableSplittingRef.value.validate(),
+  ]).catch((err: any) => {
     return Promise.reject({ node: props.nodeModel, errMessage: err })
   })
 }
diff --git a/ui/src/workflow/nodes/question-node/index.vue b/ui/src/workflow/nodes/question-node/index.vue
index c140ba0c0fe..e2f8fb18492 100644
--- a/ui/src/workflow/nodes/question-node/index.vue
+++ b/ui/src/workflow/nodes/question-node/index.vue
@@ -13,43 +13,68 @@
       >
         <el-form-item
           :label="$t('views.application.form.aiModel.label')"
-          prop="model_id"
+          :prop="form_data.model_id_type === 'reference' ? 'model_id_reference' : 'model_id'"
           :rules="{
             required: true,
-            message: $t('views.application.form.aiModel.placeholder'),
+            message:
+              form_data.model_id_type === 'reference'
+                ? $t('workflow.variable.placeholder')
+                : $t('views.application.form.aiModel.placeholder'),
             trigger: 'change',
           }"
         >
           <template #label>
-            <div class="flex-between">
+            <div class="flex-between w-full">
               <div>
                 <span
                   >{{ $t('views.application.form.aiModel.label')
                   }}<span class="color-danger">*</span></span
                 >
               </div>
+              <el-select
+                v-model="form_data.model_id_type"
+                :teleported="false"
+                size="small"
+                style="width: 85px"
+                @change="form_data.model_id_reference = []"
+              >
+                <el-option :label="$t('workflow.variable.Referencing')" value="reference" />
+                <el-option :label="$t('common.custom')" value="custom" />
+              </el-select>
+            </div>
+          </template>
+          <div class="flex-between w-full" v-if="form_data.model_id_type !== 'reference'">
+            <ModelSelect
+              @change="model_change"
+              @wheel="wheel"
+              :teleported="false"
+              v-model="form_data.model_id"
+              :placeholder="$t('views.application.form.aiModel.placeholder')"
+              :options="modelOptions"
+              @submitModel="getSelectModel"
+              showFooter
+              :model-type="'LLM'"
+            ></ModelSelect>
+            <div class="ml-8">
               <el-button
-                type="primary"
-                link
                 :disabled="!form_data.model_id"
                 @click="openAIParamSettingDialog(form_data.model_id)"
                 @refreshForm="refreshParam"
               >
-                <AppIcon iconName="app-setting"></AppIcon>
+                <el-icon>
+                  <Operation />
+                </el-icon>
               </el-button>
             </div>
-          </template>
-          <ModelSelect
-            @change="model_change"
-            @wheel="wheel"
-            :teleported="false"
-            v-model="form_data.model_id"
-            :placeholder="$t('views.application.form.aiModel.placeholder')"
-            :options="modelOptions"
-            @submitModel="getSelectModel"
-            showFooter
-            :model-type="'LLM'"
-          ></ModelSelect>
+          </div>
+          <NodeCascader
+            v-else
+            ref="nodeCascaderRef"
+            :nodeModel="nodeModel"
+            class="w-full"
+            :placeholder="$t('workflow.variable.placeholder')"
+            v-model="form_data.model_id_reference"
+          />
         </el-form-item>
         <el-form-item>
           <template #label>
@@ -152,7 +177,7 @@
 </template>
 <script setup lang="ts">
 import { set, groupBy } from 'lodash'
-
+import NodeCascader from '@/workflow/common/NodeCascader.vue'
 import NodeContainer from '@/workflow/common/NodeContainer.vue'
 import AIModeParamSettingDialog from '@/views/application/component/AIModeParamSettingDialog.vue'
 import type { FormInstance } from 'element-plus'
@@ -211,6 +236,8 @@ const defaultPrompt = `{{${t('workflow.nodes.startNode.label')}.question}}`
 
 const form = {
   model_id: '',
+  model_id_type: 'custom',
+  model_id_reference: [],
   system: t('workflow.nodes.questionNode.systemDefault'),
   prompt: defaultPrompt,
   dialogue_number: 1,
@@ -228,6 +255,12 @@ const openAIParamSettingDialog = (modelId: string) => {
 const form_data = computed({
   get: () => {
     if (props.nodeModel.properties.node_data) {
+      if (!props.nodeModel.properties.node_data.model_id_type) {
+        set(props.nodeModel.properties.node_data, 'model_id_type', 'custom')
+      }
+      if (!props.nodeModel.properties.node_data.model_id_reference) {
+        set(props.nodeModel.properties.node_data, 'model_id_reference', [])
+      }
       return props.nodeModel.properties.node_data
     } else {
       set(props.nodeModel.properties, 'node_data', form)
@@ -238,14 +271,19 @@ const form_data = computed({
     set(props.nodeModel.properties, 'node_data', value)
   },
 })
+
 const props = defineProps<{ nodeModel: any }>()
 
 const questionNodeFormRef = ref<FormInstance>()
 
 const modelOptions = ref<any>(null)
+const nodeCascaderRef = ref()
 
 const validate = () => {
-  return questionNodeFormRef.value?.validate().catch((err) => {
+  return Promise.all([
+    nodeCascaderRef.value ? nodeCascaderRef.value.validate() : Promise.resolve(''),
+    questionNodeFormRef.value?.validate(),
+  ]).catch((err: any) => {
     return Promise.reject({ node: props.nodeModel, errMessage: err })
   })
 }
diff --git a/ui/src/workflow/nodes/video-understand/index.vue b/ui/src/workflow/nodes/video-understand/index.vue
index 101a4b39c99..afa266b0f79 100644
--- a/ui/src/workflow/nodes/video-understand/index.vue
+++ b/ui/src/workflow/nodes/video-understand/index.vue
@@ -13,10 +13,13 @@
       >
         <el-form-item
           :label="$t('workflow.nodes.videoUnderstandNode.model.label')"
-          prop="model_id"
+          :prop="form_data.model_id_type === 'reference' ? 'model_id_reference' : 'model_id'"
           :rules="{
             required: true,
-            message: $t('workflow.nodes.videoUnderstandNode.model.requiredMessage'),
+            message:
+              form_data.model_id_type === 'reference'
+                ? $t('workflow.variable.placeholder')
+                : $t('workflow.nodes.videoUnderstandNode.model.requiredMessage'),
             trigger: 'change',
           }"
         >
@@ -28,29 +31,49 @@
                   }}<span class="color-danger">*</span></span
                 >
               </div>
+              <el-select
+                v-model="form_data.model_id_type"
+                :teleported="false"
+                size="small"
+                style="width: 85px"
+                @change="form_data.model_id_reference = []"
+              >
+                <el-option :label="$t('workflow.variable.Referencing')" value="reference" />
+                <el-option :label="$t('common.custom')" value="custom" />
+              </el-select>
+            </div>
+          </template>
+          <div class="flex-between w-full" v-if="form_data.model_id_type !== 'reference'">
+            <ModelSelect
+              @wheel="wheel"
+              :teleported="false"
+              v-model="form_data.model_id"
+              :placeholder="$t('workflow.nodes.videoUnderstandNode.model.requiredMessage')"
+              :options="modelOptions"
+              showFooter
+              :model-type="'IMAGE'"
+            ></ModelSelect>
+            <div class="ml-8">
               <el-button
                 :disabled="!form_data.model_id"
-                type="primary"
-                link
                 @click="openAIParamSettingDialog(form_data.model_id)"
                 @refreshForm="refreshParam"
               >
-                <AppIcon iconName="app-setting"></AppIcon>
+                <el-icon>
+                  <Operation />
+                </el-icon>
               </el-button>
             </div>
-          </template>
-
-          <ModelSelect
-            @wheel="wheel"
-            :teleported="false"
-            v-model="form_data.model_id"
-            :placeholder="$t('workflow.nodes.videoUnderstandNode.model.requiredMessage')"
-            :options="modelOptions"
-            showFooter
-            :model-type="'IMAGE'"
-          ></ModelSelect>
+          </div>
+          <NodeCascader
+            v-else
+            ref="nodeCascaderRef"
+            :nodeModel="nodeModel"
+            class="w-full"
+            :placeholder="$t('workflow.variable.placeholder')"
+            v-model="form_data.model_id_reference"
+          />
         </el-form-item>
-
         <el-form-item>
           <template #label>
             <div class="flex-between">
@@ -261,6 +284,8 @@ const defaultPrompt = `{{${t('workflow.nodes.startNode.label')}.question}}`
 
 const form = {
   model_id: '',
+  model_id_type: 'custom',
+  model_id_reference: [],
   system: '',
   prompt: defaultPrompt,
   dialogue_number: 0,
@@ -274,6 +299,12 @@ const form = {
 const form_data = computed({
   get: () => {
     if (props.nodeModel.properties.node_data) {
+      if (!props.nodeModel.properties.node_data.model_id_type) {
+        set(props.nodeModel.properties.node_data, 'model_id_type', 'custom')
+      }
+      if (!props.nodeModel.properties.node_data.model_id_reference) {
+        set(props.nodeModel.properties.node_data, 'model_id_reference', [])
+      }
       return props.nodeModel.properties.node_data
     } else {
       set(props.nodeModel.properties, 'node_data', form)