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 cd27c0bb918..53d39174d37 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
@@ -205,8 +205,7 @@ def execute(
                 model_params_setting = reference_data.get("model_params_setting")
         elif model_id_type == "default":
             default_setting = self.workflow_manage.get_default_model_setting("LLM")
-            if default_setting.get("model_id"):
-                model_id = default_setting.get("model_id")
+            model_id = default_setting.get("model_id")
             model_params_setting = default_setting.get("model_params_setting", model_params_setting)
         if model_id is None or model_id == "":
             raise Exception(_("Model is not allowed to be empty"))
diff --git a/apps/application/flow/step_node/image_generate_step_node/impl/base_image_generate_node.py b/apps/application/flow/step_node/image_generate_step_node/impl/base_image_generate_node.py
index db2f723511d..d415a2acfae 100644
--- a/apps/application/flow/step_node/image_generate_step_node/impl/base_image_generate_node.py
+++ b/apps/application/flow/step_node/image_generate_step_node/impl/base_image_generate_node.py
@@ -38,8 +38,7 @@ def execute(self, model_id, prompt, negative_prompt, dialogue_number, dialogue_t
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('TTI')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         if model_id is None or model_id == '':
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 08cb0f0ad55..b58f463e6e5 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
@@ -41,8 +41,7 @@ def execute(self, model_id, prompt, negative_prompt, dialogue_number, dialogue_t
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('ITV')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
         if model_id is None or model_id == '':
             raise Exception(_('Model is not allowed to be empty'))
diff --git a/apps/application/flow/step_node/image_understand_step_node/impl/base_image_understand_node.py b/apps/application/flow/step_node/image_understand_step_node/impl/base_image_understand_node.py
index f6680c3764d..a577fb435df 100644
--- a/apps/application/flow/step_node/image_understand_step_node/impl/base_image_understand_node.py
+++ b/apps/application/flow/step_node/image_understand_step_node/impl/base_image_understand_node.py
@@ -154,8 +154,7 @@ def execute(self, model_id, system, prompt, dialogue_number, dialogue_type, hist
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('IMAGE')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         if model_id is None or model_id == '':
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 f8c3f6c84d7..b516ec0ab9d 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
@@ -66,8 +66,7 @@ def execute(self, model_id, dialogue_number, history_chat_record, user_input, br
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('LLM')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
         if not model_id:
             raise Exception(_('Model is not allowed to be empty'))
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 c1c3667b055..2b68fd53c67 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
@@ -49,8 +49,7 @@ def _run(self):
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('LLM')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         input_variable = self.workflow_manage.get_reference_field(
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 c984373d574..f62266f7f63 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
@@ -97,8 +97,7 @@ def execute(self, model_id, system, prompt, dialogue_number, history_chat_record
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('LLM')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
         if not model_id:
             raise Exception(_('Model is not allowed to be empty'))
diff --git a/apps/application/flow/step_node/reranker_node/i_reranker_node.py b/apps/application/flow/step_node/reranker_node/i_reranker_node.py
index 216cc0afaa0..d91bd515785 100644
--- a/apps/application/flow/step_node/reranker_node/i_reranker_node.py
+++ b/apps/application/flow/step_node/reranker_node/i_reranker_node.py
@@ -75,8 +75,7 @@ def _run(self):
                                                        reference_data.get('model_id', reranker_model_id))
         elif reranker_model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('RERANKER')
-            if default_setting.get('model_id'):
-                reranker_model_id = default_setting.get('model_id')
+            reranker_model_id = default_setting.get('model_id')
         if reranker_model_id is None or reranker_model_id == '':
             raise Exception(_('Model is not allowed to be empty'))
 
diff --git a/apps/application/flow/step_node/speech_to_text_step_node/impl/base_speech_to_text_node.py b/apps/application/flow/step_node/speech_to_text_step_node/impl/base_speech_to_text_node.py
index 371bc2bcba6..a91f176e5a1 100644
--- a/apps/application/flow/step_node/speech_to_text_step_node/impl/base_speech_to_text_node.py
+++ b/apps/application/flow/step_node/speech_to_text_step_node/impl/base_speech_to_text_node.py
@@ -34,8 +34,7 @@ def execute(self, stt_model_id, audio, model_params_setting=None, stt_model_id_t
                 model_params_setting = reference_data.get('model_params_setting')
         elif stt_model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('STT')
-            if default_setting.get('model_id'):
-                stt_model_id = default_setting.get('model_id')
+            stt_model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         from django.utils.translation import gettext_lazy as _
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 1ba9c0bb801..6282e9f4dad 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
@@ -58,8 +58,7 @@ def execute(self, tts_model_id,
                 model_params_setting = reference_data.get('model_params_setting')
         elif tts_model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('TTS')
-            if default_setting.get('model_id'):
-                tts_model_id = default_setting.get('model_id')
+            tts_model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         from django.utils.translation import gettext_lazy as _
diff --git a/apps/application/flow/step_node/text_to_video_step_node/impl/base_text_to_video_node.py b/apps/application/flow/step_node/text_to_video_step_node/impl/base_text_to_video_node.py
index dedcd138acf..4f690779381 100644
--- a/apps/application/flow/step_node/text_to_video_step_node/impl/base_text_to_video_node.py
+++ b/apps/application/flow/step_node/text_to_video_step_node/impl/base_text_to_video_node.py
@@ -39,8 +39,7 @@ def execute(self, model_id, prompt, negative_prompt, dialogue_number, dialogue_t
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('TTV')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         if model_id is None or model_id == '':
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 f819e82d286..12ea746a365 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
@@ -149,8 +149,7 @@ def execute(self, model_id, system, prompt, dialogue_number, dialogue_type, hist
                 model_params_setting = reference_data.get('model_params_setting')
         elif model_id_type == 'default':
             default_setting = self.workflow_manage.get_default_model_setting('IMAGE')
-            if default_setting.get('model_id'):
-                model_id = default_setting.get('model_id')
+            model_id = default_setting.get('model_id')
             model_params_setting = default_setting.get('model_params_setting', model_params_setting)
 
         from django.utils.translation import gettext_lazy as _
diff --git a/apps/application/serializers/application.py b/apps/application/serializers/application.py
index 157aaa5abe1..321300c45a8 100644
--- a/apps/application/serializers/application.py
+++ b/apps/application/serializers/application.py
@@ -54,6 +54,7 @@
 from langchain_mcp_adapters.client import MultiServerMCPClient
 from maxkb.conf import PROJECT_DIR
 from maxkb.const import CONFIG
+from models_provider.base_model_provider import ModelTypeConst
 from models_provider.models import Model
 from models_provider.tools import get_model_instance_by_model_workspace_id
 from rest_framework import serializers, status
@@ -97,6 +98,17 @@ def _walk_workflow_nodes(work_flow, collector):
 }
 
 
+def _default_model_not_configured_message(node_name: str, model_type: str) -> str:
+    """节点选了默认模型但该类别默认模型未配置时的报错,与前端「{节点名称}节点，{模型类别}的默认模型未配置」文案一致。"""
+    try:
+        model_type_label = str(ModelTypeConst[model_type].value['message'])
+    except Exception:
+        model_type_label = model_type
+    return _(
+        "{node_name} Node, the default model for {model_type_label} is not configured"
+    ).format(node_name=node_name, model_type_label=model_type_label)
+
+
 def validate_workflow_default_models(work_flow, default_model_setting):
     """发布前校验:节点选择「默认模型」但对应类别默认模型未配置时,禁止发布并定位。"""
     if not work_flow:
@@ -117,10 +129,7 @@ def validate_workflow_default_models(work_flow, default_model_setting):
                         and not ((default_model_setting or {}).get(default_model_type, {}) or {}).get('model_id')):
                     raise AppApiException(
                         500,
-                        _(
-                            "{node_name} selected the default model, but the default model "
-                            "of this type is not configured."
-                        ).format(node_name=node_name),
+                        _default_model_not_configured_message(node_name, default_model_type),
                     )
         if model_type is not None:
             # 取该节点实际使用的 model_id_type 字段(custom/reference/default)
@@ -142,10 +151,7 @@ def validate_workflow_default_models(work_flow, default_model_setting):
             ).get("model_id"):
                 raise AppApiException(
                     500,
-                    _(
-                        "{node_name} selected the default model, but the default model "
-                        "of this type is not configured."
-                    ).format(node_name=node_name),
+                    _default_model_not_configured_message(node_name, model_type),
                 )
         if node_type == "loop-node":
             validate_workflow_default_models(node_data.get("loop_body"), default_model_setting)
@@ -465,6 +471,7 @@ class WorkflowRequest(serializers.Serializer):
             required=False, allow_null=True, allow_blank=True, max_length=102400, label=_("Opening remarks")
         )
         folder_id = serializers.CharField(required=True, label=_("folder id"))
+        default_model_setting = serializers.DictField(required=False, label=_("Default model settings"))
 
         @staticmethod
         def to_application_model(user_id: str, workspace_id: str, application: Dict):
@@ -497,6 +504,7 @@ def to_application_model(user_id: str, workspace_id: str, application: Dict):
                 file_upload_enable=application.get("file_upload_enable", False),
                 file_upload_setting=application.get("file_upload_setting", {}),
                 work_flow=default_workflow,
+                default_model_setting=application.get("default_model_setting") or {},
             )
 
     class SimplateRequest(serializers.Serializer):
diff --git a/apps/locales/en_US/LC_MESSAGES/django.po b/apps/locales/en_US/LC_MESSAGES/django.po
index 9eebebaa08b..78c598020ba 100644
--- a/apps/locales/en_US/LC_MESSAGES/django.po
+++ b/apps/locales/en_US/LC_MESSAGES/django.po
@@ -8691,6 +8691,9 @@ msgstr ""
 msgid "{node_name} selected the default model, but the default model of this type is not configured."
 msgstr ""
 
+msgid "{node_name} Node, the default model for {model_type_label} is not configured"
+msgstr ""
+
 msgid "Authentication failed. Please verify that the parameters are correct"
 msgstr ""
 
diff --git a/apps/locales/zh_CN/LC_MESSAGES/django.po b/apps/locales/zh_CN/LC_MESSAGES/django.po
index ff4bfeb6a8f..8131866a881 100644
--- a/apps/locales/zh_CN/LC_MESSAGES/django.po
+++ b/apps/locales/zh_CN/LC_MESSAGES/django.po
@@ -8815,6 +8815,9 @@ msgstr "图生视频"
 msgid "{node_name} selected the default model, but the default model of this type is not configured."
 msgstr "{node_name}选择了默认模型，但未配置该类默认模型"
 
+msgid "{node_name} Node, the default model for {model_type_label} is not configured"
+msgstr "{node_name} 节点，{model_type_label}的默认模型未配置"
+
 msgid "Authentication failed. Please verify that the parameters are correct"
 msgstr "认证失败，请检查参数是否正确"
 
diff --git a/apps/locales/zh_Hant/LC_MESSAGES/django.po b/apps/locales/zh_Hant/LC_MESSAGES/django.po
index 3d69eeaa926..54ca6ac533a 100644
--- a/apps/locales/zh_Hant/LC_MESSAGES/django.po
+++ b/apps/locales/zh_Hant/LC_MESSAGES/django.po
@@ -8815,6 +8815,9 @@ msgstr "圖生視頻"
 msgid "{node_name} selected the default model, but the default model of this type is not configured."
 msgstr "{node_name}選擇了預設模型，但未配置該類預設模型"
 
+msgid "{node_name} Node, the default model for {model_type_label} is not configured"
+msgstr "{node_name} 節點，{model_type_label}的預設模型未配置"
+
 msgid "Authentication failed. Please verify that the parameters are correct"
 msgstr "認證失敗，請檢查參數是否正確"
 
diff --git a/apps/tools/serializers/tool.py b/apps/tools/serializers/tool.py
index 04deecc87c4..5f7773af812 100644
--- a/apps/tools/serializers/tool.py
+++ b/apps/tools/serializers/tool.py
@@ -524,7 +524,12 @@ def insert(self, instance, with_valid=True):
                 }
             ).auth_resource(str(tool_id))
             if instance.get("tool_type") == ToolType.WORKFLOW:
-                ToolWorkflow(id=uuid.uuid7(), tool_id=tool_id, work_flow=instance.get("work_flow", {})).save()
+                ToolWorkflow(
+                    id=uuid.uuid7(),
+                    tool_id=tool_id,
+                    work_flow=instance.get("work_flow", {}),
+                    default_model_setting=instance.get("default_model_setting") or {},
+                ).save()
             # 如果是SKILL类型的工具，修改file表中对应的记录
             if instance.get("tool_type") == ToolType.SKILL:
                 file_id = instance.get("code")
diff --git a/ui/src/components/workflow-dropdown-menu/default-model-setting/index.vue b/ui/src/components/workflow-dropdown-menu/default-model-setting/index.vue
index 6932fc07ba5..a02099e2dc3 100644
--- a/ui/src/components/workflow-dropdown-menu/default-model-setting/index.vue
+++ b/ui/src/components/workflow-dropdown-menu/default-model-setting/index.vue
@@ -1,6 +1,6 @@
 <template>
   <div
-    v-show="show"
+    v-if="show"
     v-click-outside="handleClickOutside"
     class="default-model-setting-menu workflow-dropdown-menu border border-r-6 white-bg"
   >
@@ -18,11 +18,12 @@
               @change="(val: any) => handleModelChange(item.type, val)"
               showFooter
               clearable
+              :disabled="readonly"
               style="flex: 1; min-width: 0"
             />
             <el-button
               class="ml-8"
-              :disabled="!modelSetting[item.type].model_id"
+              :disabled="readonly || !modelSetting[item.type].model_id || item.type === 'RERANKER'"
               @click="openModelParam(item)"
               icon="Operation"
             />
@@ -31,10 +32,10 @@
       </el-form>
     </el-scrollbar>
     <div class="flex-between p-12">
-      <el-button @click="applyDefaultModelToAll">
+      <el-button :disabled="readonly" @click="applyDefaultModelToAll">
         {{ $t('workflow.setting.applyToAll') }}
       </el-button>
-      <el-button type="primary" @click="handleSave">
+      <el-button type="primary" :disabled="readonly || !hasChanges" @click="handleSave">
         {{ $t('common.save') }}
       </el-button>
     </div>
@@ -54,6 +55,7 @@ const props = defineProps({
   modelValue: { type: Object, default: () => ({}) },
   show: { type: Boolean, default: false },
   workflowRef: { type: Object, default: null },
+  readonly: { type: Boolean, default: false },
 })
 const emit = defineEmits(['update:modelValue', 'save', 'close'])
 
@@ -99,6 +101,8 @@ watch(
       loadModelOptions(type)
     }
   },
+  // 面板改为 v-if 挂载:每次打开都是全新实例,watch 需 immediate 在挂载时即同步暂存副本
+  { immediate: true },
 )
 
 function loadModelOptions(type: string) {
@@ -115,9 +119,8 @@ function loadModelOptions(type: string) {
 
 function handleModelChange(type: string, _val: any) {
   modelSetting.value[type].model_params_setting = {}
-  // 改动实时同步到父层 detail.default_model_setting,使「未点面板保存就发布」也能带上本次编辑;
-  // 节点上的 DefaultModelDisplay 也会随之实时更新
-  emit('update:modelValue', { ...modelSetting.value })
+  // 只改动面板内的暂存副本 modelSetting,不实时同步到父层 detail.default_model_setting;
+  // 未点「保存」前,节点默认模型模式不会取到未持久化的配置(发布校验/调试行为一致)
 }
 
 function openModelParam(item: { type: string }) {
@@ -131,12 +134,40 @@ function refreshModelParam(paramData: any) {
   const type = currentModelType.value
   if (modelSetting.value[type]?.model_id) {
     modelSetting.value[type].model_params_setting = paramData
-    emit('update:modelValue', { ...modelSetting.value })
   }
 }
 
-function handleSave() {
+// 暂存副本与已持久化的 detail.default_model_setting(props.modelValue)是否有实质差异。
+// modelSetting 固定含全部 8 个类别(未配置为 {}),而 props.modelValue 仅含已配置类别,
+// 故不能直接整对象序列化比较;按类别比较 model_id 与参数即可。
+// 只读时无任何可编辑操作,hasChanges 恒为 false。
+const hasChanges = computed(
+  () =>
+    !props.readonly &&
+    defaultModelTypes.some(({ type }) => {
+      const cur = modelSetting.value[type] || {}
+      const base = (props.modelValue || {})[type] || {}
+      return (
+        (cur.model_id || '') !== (base.model_id || '') ||
+        JSON.stringify(cur.model_params_setting || {}) !== JSON.stringify(base.model_params_setting || {})
+      )
+    }),
+)
+
+function commitSetting() {
   emit('update:modelValue', { ...modelSetting.value })
+}
+
+// 将暂存副本重置为已持久化的配置(用于「不保存」丢弃暂存)。
+function resetSetting() {
+  modelSetting.value = { ...EMPTY_SETTING }
+  for (const { type } of defaultModelTypes) {
+    modelSetting.value[type] = JSON.parse(JSON.stringify((props.modelValue as any)?.[type] || {}))
+  }
+}
+
+function handleSave() {
+  commitSetting()
   emit('save')
 }
 
@@ -197,13 +228,45 @@ function applyDefaultModelToAll() {
   })
 }
 
-function handleClickOutside(e: MouseEvent, _e2?: MouseEvent) {
+async function handleClickOutside(e: MouseEvent, _e2?: MouseEvent) {
+  // 面板用 v-show 隐藏(未卸载),v-click-outside 的监听仍常驻 document;
+  // 隐藏后点击任意处不应再触发关闭/确认逻辑。
+  if (!props.show) return
   const target = e.target as HTMLElement | null
   // ModelSelect 下拉(popper-class select-model)与参数弹窗(el-dialog append-to-body 及其 .el-overlay 遮罩)
   // 都 teleport 到 body,不在面板 DOM 树内,v-click-outside 会误判为"面板外点击"。
-  // 此处显式排除:点击这两类浮层内(含弹窗遮罩)视为面板内交互,不关闭。
+  // 此处显式排除:点击这两类浮层内(含弹窗遮罩、确认弹窗)视为面板内交互,不关闭。
   if (target && (target.closest('.select-model') || target.closest('.el-overlay'))) return
-  emit('close')
+  if (!hasChanges.value) {
+    // 无未保存修改,直接关闭
+    emit('close')
+    return
+  }
+  // 有未保存修改,弹确认:「保存修改」/「不保存」/「取消(关闭弹窗)」
+  try {
+    const action = await MsgConfirm(
+      t('common.tip'),
+      t('workflow.setting.defaultModelSettingUnsaved'),
+      {
+        type: 'warning',
+        confirmButtonText: t('workflow.setting.saveChanges'),
+        cancelButtonText: t('workflow.setting.discardChanges'),
+        distinguishCancelAndClose: true,
+      },
+    )
+    // 保存修改并关闭
+    if (action === 'confirm') {
+      commitSetting()
+      emit('save')
+      emit('close')
+    }
+  } catch (action: any) {
+    // cancel → 选择「不保存」,丢弃暂存修改,关闭面板;close → 取消,保持面板打开
+    if (action === 'close') return
+    // 丢弃暂存,重置为已持久化配置,避免隐藏后 hasChanges 残留导致再次点击又弹确认
+    resetSetting()
+    emit('close')
+  }
 }
 </script>
 <style lang="scss">
diff --git a/ui/src/locales/lang/en-US/views/application.ts b/ui/src/locales/lang/en-US/views/application.ts
index 095626c31cd..7763d9edda5 100644
--- a/ui/src/locales/lang/en-US/views/application.ts
+++ b/ui/src/locales/lang/en-US/views/application.ts
@@ -55,6 +55,7 @@ After disabling, the long-term memory of the conversation users will be cleared,
     defaultModel: 'Default Model',
     custom: 'Custom',
     modelRequiredMessage: 'Please select a long-term memory model',
+    modelSettingTip: 'The model can be configured in "Long-Term Memory Settings"',
   },
   form: {
     appName: {
diff --git a/ui/src/locales/lang/en-US/workflow.ts b/ui/src/locales/lang/en-US/workflow.ts
index e1bba20f02a..68b508ed521 100644
--- a/ui/src/locales/lang/en-US/workflow.ts
+++ b/ui/src/locales/lang/en-US/workflow.ts
@@ -31,11 +31,15 @@ export default {
     defaultModelNotConfigured: 'Default model not configured',
     defaultModelUnavailable: 'Default model unavailable',
     defaultModelRequired: 'The default model of this type is not configured',
+    defaultModelMissing: 'the default model for {modelType} is not configured',
     applyToAll: 'Apply to All Nodes',
     apply: 'Apply',
     applyToAllConfirmMsg: 'All nodes will have their model source set to "Default Model", overriding their current "Custom / Referencing" settings. Proceed with caution.',
     applyToAllSuccess: 'Set {count} node(s) to default model',
     applyToAllNone: 'No node needs to be changed',
+    defaultModelSettingUnsaved: 'Default model settings have been modified. Save changes?',
+    saveChanges: 'Save Changes',
+    discardChanges: "Don't Save",
     modelType: {
       LLM: 'AI Model',
       TTS: 'TTS Model',
diff --git a/ui/src/locales/lang/zh-CN/views/application.ts b/ui/src/locales/lang/zh-CN/views/application.ts
index 7224d7bb589..f747bdb8517 100644
--- a/ui/src/locales/lang/zh-CN/views/application.ts
+++ b/ui/src/locales/lang/zh-CN/views/application.ts
@@ -49,6 +49,7 @@ export default {
     defaultModel: '默认模型',
     custom: '自定义',
     modelRequiredMessage: '请选择长期记忆模型',
+    modelSettingTip: '模型可在「长期记忆设置」中配置',
   },
   form: {
     appName: {
diff --git a/ui/src/locales/lang/zh-CN/workflow.ts b/ui/src/locales/lang/zh-CN/workflow.ts
index ac09c5b2520..181bb0abb6a 100644
--- a/ui/src/locales/lang/zh-CN/workflow.ts
+++ b/ui/src/locales/lang/zh-CN/workflow.ts
@@ -30,11 +30,15 @@ export default {
     defaultModelNotConfigured: '未配置默认模型',
     defaultModelUnavailable: '默认模型暂不可用',
     defaultModelRequired: '该类型默认模型未配置',
+    defaultModelMissing: '{modelType}的默认模型未配置',
     applyToAll: '应用到所有节点',
     apply: '应用',
     applyToAllConfirmMsg: '将把所有节点的模型来源统一改为「默认模型」，会覆盖它们当前的「自定义／引用变量」，请谨慎操作。',
     applyToAllSuccess: '已将 {count} 个节点设为默认模型',
     applyToAllNone: '已没有需要修改的节点',
+    defaultModelSettingUnsaved: '默认模型设置已修改，是否保存修改？',
+    saveChanges: '保存修改',
+    discardChanges: '不保存',
     modelType: {
       LLM: 'AI 模型',
       TTS: '语音合成模型',
diff --git a/ui/src/locales/lang/zh-Hant/views/application.ts b/ui/src/locales/lang/zh-Hant/views/application.ts
index 8d0af6b9bb2..3066db5b6cb 100644
--- a/ui/src/locales/lang/zh-Hant/views/application.ts
+++ b/ui/src/locales/lang/zh-Hant/views/application.ts
@@ -48,6 +48,7 @@ export default {
     defaultModel: '默認模型',
     custom: '自訂',
     modelRequiredMessage: '請選擇長期記憶模型',
+    modelSettingTip: '模型可在「長期記憶設定」中設定',
   },
   form: {
     appName: {
diff --git a/ui/src/locales/lang/zh-Hant/workflow.ts b/ui/src/locales/lang/zh-Hant/workflow.ts
index b50c925bf4a..55824724cce 100644
--- a/ui/src/locales/lang/zh-Hant/workflow.ts
+++ b/ui/src/locales/lang/zh-Hant/workflow.ts
@@ -30,11 +30,15 @@ export default {
     defaultModelNotConfigured: '未設定預設模型',
     defaultModelUnavailable: '預設模型暫不可用',
     defaultModelRequired: '該類型預設模型未設定',
+    defaultModelMissing: '{modelType}的預設模型未配置',
     applyToAll: '套用到所有節點',
     apply: '套用',
     applyToAllConfirmMsg: '將把所有節點的模型來源統一改為「預設模型」，會覆蓋它們目前的「自訂／引用變數」，請謹慎操作。',
     applyToAllSuccess: '已將 {count} 個節點設為預設模型',
     applyToAllNone: '已沒有需要修改的節點',
+    defaultModelSettingUnsaved: '預設模型設定已修改，是否儲存修改？',
+    saveChanges: '儲存修改',
+    discardChanges: '不儲存',
     modelType: {
       LLM: 'AI 模型',
       TTS: '語音合成模型',
diff --git a/ui/src/views/application-workflow/index.vue b/ui/src/views/application-workflow/index.vue
index 36cb3bb3c81..a6c58ef28e9 100644
--- a/ui/src/views/application-workflow/index.vue
+++ b/ui/src/views/application-workflow/index.vue
@@ -40,7 +40,7 @@
         </el-button>
         <el-button
           @click="toggleDefaultModelSetting"
-          v-if="permissionPrecise.edit(id)"
+          v-if="permissionPrecise.debug(id)"
         >
           <AppIcon iconName="app-setting" class="mr-4"></AppIcon>
           {{ $t('workflow.setting.defaultModelSetting') }}
@@ -163,6 +163,7 @@
       v-model="detail.default_model_setting"
       :show="defaultModelSettingVisible"
       :workflow-ref="workflowRef"
+      :readonly="!permissionPrecise.edit(id)"
       @save="saveApplication(true)"
       @close="clickoutsideDefaultModelSetting"
     />
@@ -399,6 +400,7 @@ const publish = () => {
         .catch((res: any) => {
           const node = res.node
           const err_message = res.errMessage
+          workflowRef.value?.highlightNode(node)
           if (typeof err_message == 'string') {
             MsgError(
               res.node.properties?.stepName +
@@ -418,6 +420,7 @@ const publish = () => {
     .catch((res: any) => {
       const node = res.node
       const err_message = res.errMessage
+      workflowRef.value?.highlightNode(node)
       if (typeof err_message == 'string') {
         MsgError(res.node.properties?.stepName + ` ${t('workflow.node')}，` + err_message)
       } else {
diff --git a/ui/src/views/application/ApplicationSetting.vue b/ui/src/views/application/ApplicationSetting.vue
index 51ffa23a09f..240caff5710 100644
--- a/ui/src/views/application/ApplicationSetting.vue
+++ b/ui/src/views/application/ApplicationSetting.vue
@@ -1216,10 +1216,10 @@ const openParamSettingDialog = () => {
 }
 
 function openLongTermConfigDialog() {
-  LongTermSettingDialogRef.value?.open(
-    applicationForm.value.long_term_trigger_type,
-    applicationForm.value.long_term_trigger_setting,
-  )
+  LongTermSettingDialogRef.value?.open({
+    trigger_type: applicationForm.value.long_term_trigger_type,
+    trigger_setting: applicationForm.value.long_term_trigger_setting,
+  })
 }
 
 function switchLongTerm() {
diff --git a/ui/src/views/application/component/AIModeParamSettingDialog.vue b/ui/src/views/application/component/AIModeParamSettingDialog.vue
index 540e9639b04..b42eb99a175 100644
--- a/ui/src/views/application/component/AIModeParamSettingDialog.vue
+++ b/ui/src/views/application/component/AIModeParamSettingDialog.vue
@@ -9,15 +9,19 @@
     :close-on-click-modal="false"
     :close-on-press-escape="false"
   >
-    <DynamicsForm
-      v-model="form_data"
-      :model="form_data"
-      label-position="top"
-      require-asterisk-position="right"
-      :render_data="model_form_field"
-      ref="dynamicsFormRef"
-    >
-    </DynamicsForm>
+    <!-- loading 遮罩:getModelParamsForm 异步期间(loading=true)以遮罩盖住 body,
+         避免 show 到 render() 之间闪现上一次打开的模型参数内容/空白 -->
+    <div v-loading="loading" class="param-setting-dialog-body">
+      <DynamicsForm
+        v-model="form_data"
+        :model="form_data"
+        label-position="top"
+        require-asterisk-position="right"
+        :render_data="model_form_field"
+        ref="dynamicsFormRef"
+      >
+      </DynamicsForm>
+    </div>
 
     <template #footer>
       <span class="dialog-footer">
@@ -73,6 +77,9 @@ const open = (
   model_setting_data?: any,
   model_form_field_list?: Array<any>,
 ) => {
+  // 先清空旧的字段/值,再显示弹窗,避免 destroy-on-close 重挂载时 onBeforeMount
+  // 用上一次打开的 model_form_field 渲染出旧参数内容(不同模型类别切换时尤甚),等异步取数完成 render() 才修正
+  model_form_field.value = []
   dialogVisible.value = true
 
   modelID.value = model_id
@@ -122,4 +129,8 @@ const submit = async () => {
 defineExpose({ open, reset_default })
 </script>
 
-<style lang="scss" scoped></style>
+<style lang="scss" scoped>
+.param-setting-dialog-body {
+  min-height: 120px;
+}
+</style>
diff --git a/ui/src/views/application/component/LongTermSettingDialog.vue b/ui/src/views/application/component/LongTermSettingDialog.vue
index e7e8b4f724f..c546f5ade15 100644
--- a/ui/src/views/application/component/LongTermSettingDialog.vue
+++ b/ui/src/views/application/component/LongTermSettingDialog.vue
@@ -15,6 +15,48 @@
       require-asterisk-position="right"
       @submit.prevent
     >
+      <el-form-item
+        v-if="modelSettingEnable"
+        :label="$t('views.application.longTermMemory.title')"
+        prop="long_term_model_id"
+        :rules="modelIdRules"
+      >
+        <div class="w-full">
+          <el-radio-group v-model="form.long_term_model_id_type" class="mb-8">
+            <el-radio
+              :label="$t('views.application.longTermMemory.defaultModel')"
+              value="default"
+            />
+            <el-radio :label="$t('views.application.longTermMemory.custom')" value="custom" />
+          </el-radio-group>
+        </div>
+        <DefaultModelDisplay
+          v-if="form.long_term_model_id_type === 'default'"
+          type="LLM"
+          :options="modelOptions"
+        />
+        <div v-else class="flex-between w-full">
+          <ModelSelect
+            v-model="form.long_term_model_id"
+            :placeholder="$t('views.application.form.aiModel.placeholder')"
+            :options="modelOptions"
+            @change="long_term_model_change"
+            @submitModel="getSelectModel"
+            showFooter
+            :model-type="'LLM'"
+          >
+          </ModelSelect>
+          <el-button
+            class="ml-8"
+            :disabled="!form.long_term_model_id"
+            @click="openLongTermParamSettingDialog"
+          >
+            <el-icon>
+              <Operation />
+            </el-icon>
+          </el-button>
+        </div>
+      </el-form-item>
       <el-form-item
         :label="$t('views.application.longTermMemory.triggerType')"
         prop="trigger_type"
@@ -121,6 +163,11 @@
       </el-form-item>
     </el-form>
 
+    <AIModeParamSettingDialog
+      ref="longTermModeParamSettingDialogRef"
+      @refresh="refreshModelParams"
+    />
+
     <template #footer>
       <span class="dialog-footer">
         <el-button @click.prevent="dialogVisible = false">{{ $t('common.cancel') }}</el-button>
@@ -136,18 +183,36 @@
 import { computed, ref } from 'vue'
 import { triggerCycleOptions } from '@/utils/trigger.ts'
 import { t } from '@/locales'
-import { cloneDeep } from 'lodash'
+import { cloneDeep, groupBy } from 'lodash'
 import { isValidCron } from 'cron-validator'
+import { useRoute } from 'vue-router'
+import { loadSharedApi } from '@/utils/dynamics-api/shared-api'
+import DefaultModelDisplay from '@/workflow/common/DefaultModelDisplay.vue'
+import AIModeParamSettingDialog from '@/views/application/component/AIModeParamSettingDialog.vue'
+
+const route = useRoute()
+const apiType = computed(() => {
+  if (route.path.includes('resource-management')) {
+    return 'systemManage'
+  } else {
+    return 'workspace'
+  }
+})
 
 const emit = defineEmits(['refresh'])
 const dialogVisible = ref(false)
 const paramFormRef = ref()
 const loading = ref(false)
+const modelOptions = ref<any>(null)
+const longTermModeParamSettingDialogRef = ref()
+const modelSettingEnable = ref(false)
 const form = ref<any>({
   trigger_type: 'ROUND',
   trigger_setting: {
     rounds: 10,
   },
+  long_term_model_id_type: 'default',
+  long_term_model_id: '',
 })
 
 const lastPresetSetting = ref<any>(null)
@@ -157,6 +222,58 @@ const changeTriggerType = (type: string) => {
   form.value.trigger_type = type
 }
 
+const modelIdRules = computed(() => ({
+  validator: (rule: any, value: any, callback: any) => {
+    if (form.value.long_term_model_id_type === 'custom' && !form.value.long_term_model_id) {
+      callback(new Error(t('views.application.longTermMemory.modelRequiredMessage')))
+    } else {
+      callback()
+    }
+  },
+  trigger: 'change',
+}))
+
+function getSelectModel() {
+  const obj =
+    apiType.value === 'systemManage'
+      ? {
+          model_type: 'LLM',
+          workspace_id: form.value?.workspace_id,
+        }
+      : {
+          model_type: 'LLM',
+        }
+  loadSharedApi({ type: 'model', systemType: apiType.value })
+    .getSelectModelList(obj)
+    .then((res: any) => {
+      modelOptions.value = groupBy(res?.data, 'provider')
+    })
+    .catch(() => {})
+}
+
+const long_term_model_change = (model_id?: string) => {
+  form.value.long_term_model_id = model_id
+  if (model_id) {
+    longTermModeParamSettingDialogRef.value?.reset_default(model_id, form.value.application_id)
+  } else {
+    form.value.long_term_model_params_setting = {}
+  }
+}
+
+function refreshModelParams(data: any) {
+  form.value.long_term_model_params_setting = data
+}
+
+function openLongTermParamSettingDialog() {
+  if (form.value.long_term_model_id) {
+    longTermModeParamSettingDialogRef.value?.open(
+      form.value.long_term_model_id,
+      form.value.application_id,
+      form.value.long_term_model_params_setting,
+    )
+  }
+}
+
 const validateCron = () => {
   const cron = form.value.trigger_setting.cron_expression?.trim()
   if (!cron) {
@@ -244,14 +361,24 @@ const scheduled = computed({
   },
 })
 
-const open = (trigger_type: any, trigger_setting: any) => {
+const open = (data: any) => {
   dialogVisible.value = true
+  const { trigger_type, trigger_setting, long_term_model_id_type, long_term_model_id, model_params_setting, application_id, workspace_id, model_setting_enable } = data || {}
+  modelSettingEnable.value = model_setting_enable ?? false
+  form.value.application_id = application_id
+  form.value.workspace_id = workspace_id
+  form.value.long_term_model_id_type = long_term_model_id_type ?? 'default'
+  form.value.long_term_model_id = long_term_model_id
+  form.value.long_term_model_params_setting = model_params_setting
   if (trigger_setting && trigger_setting.rounds) {
     form.value.trigger_setting = trigger_setting
   } else {
     form.value.trigger_setting = { rounds: 10 }
   }
   form.value.trigger_type = trigger_type ?? 'ROUND'
+  if (modelSettingEnable.value) {
+    getSelectModel()
+  }
 }
 
 const submit = () => {
diff --git a/ui/src/views/knowledge-workflow/index.vue b/ui/src/views/knowledge-workflow/index.vue
index ef228ed095c..44e20c8893b 100644
--- a/ui/src/views/knowledge-workflow/index.vue
+++ b/ui/src/views/knowledge-workflow/index.vue
@@ -38,7 +38,7 @@
           <AppIcon iconName="app-add-outlined" class="mr-4" />
           {{ $t('workflow.setting.addComponent') }}
         </el-button>
-        <el-button @click="toggleDefaultModelSetting" v-if="permissionPrecise.workflow_edit(id)">
+        <el-button @click="toggleDefaultModelSetting" v-if="permissionPrecise.debug(id)">
           <AppIcon iconName="app-setting" class="mr-4"></AppIcon>
           {{ $t('workflow.setting.defaultModelSetting') }}
         </el-button>
@@ -190,6 +190,7 @@
       v-model="detail.default_model_setting"
       :show="defaultModelSettingVisible"
       :workflow-ref="workflowRef"
+      :readonly="!permissionPrecise.workflow_edit(id)"
       @save="saveknowledge(true)"
       @close="clickoutsideDefaultModelSetting"
     />
@@ -406,6 +407,7 @@ const publish = () => {
         .catch((res: any) => {
           const node = res.node
           const err_message = res.errMessage
+          workflowRef.value?.highlightNode(node)
           if (typeof err_message == 'string') {
             MsgError(
               res.node.properties?.stepName +
@@ -425,6 +427,7 @@ const publish = () => {
     .catch((res: any) => {
       const node = res.node
       const err_message = res.errMessage
+      workflowRef.value?.highlightNode(node)
       if (typeof err_message == 'string') {
         MsgError(res.node.properties?.stepName + ` ${t('workflow.node')}，` + err_message)
       } else {
diff --git a/ui/src/views/tool-workflow/index.vue b/ui/src/views/tool-workflow/index.vue
index e65217c21ab..493e49a2520 100644
--- a/ui/src/views/tool-workflow/index.vue
+++ b/ui/src/views/tool-workflow/index.vue
@@ -38,7 +38,7 @@
           <AppIcon iconName="app-add-outlined" class="mr-4" />
           {{ $t('workflow.setting.addComponent') }}
         </el-button>
-        <el-button @click="toggleDefaultModelSetting" v-if="permissionPrecise.edit(id)">
+        <el-button @click="toggleDefaultModelSetting" v-if="permissionPrecise.read()">
           <AppIcon iconName="app-setting" class="mr-4"></AppIcon>
           {{ $t('workflow.setting.defaultModelSetting') }}
         </el-button>
@@ -160,6 +160,7 @@
       v-model="detail.default_model_setting"
       :show="defaultModelSettingVisible"
       :workflow-ref="workflowRef"
+      :readonly="!permissionPrecise.edit(id)"
       @save="saveTool(true)"
       @close="clickoutsideDefaultModelSetting"
     />
@@ -371,6 +372,7 @@ const publish = () => {
           console.log(res)
           const node = res.node
           const err_message = res.errMessage
+          workflowRef.value?.highlightNode(node)
           if (typeof err_message == 'string') {
             MsgError(
               res.node.properties?.stepName +
@@ -390,6 +392,7 @@ const publish = () => {
     .catch((res: any) => {
       const node = res.node
       const err_message = res.errMessage
+      workflowRef.value?.highlightNode(node)
       if (typeof err_message == 'string') {
         MsgError(res.node.properties?.stepName + ` ${t('workflow.node')}，` + err_message)
       } else {
diff --git a/ui/src/workflow/common/validate.ts b/ui/src/workflow/common/validate.ts
index 2b4e7e311e1..f41fdbbb201 100644
--- a/ui/src/workflow/common/validate.ts
+++ b/ui/src/workflow/common/validate.ts
@@ -419,12 +419,19 @@ const NODE_DEFAULT_MODEL_TYPE: Record<string, string> = {
 /**
  * 与后端 validate_workflow_default_models 对齐:
  * 节点选择「默认模型」但对应类别默认模型未配置时,发布前拦截。
- * 抛出 { node, errMessage },由发布流程外层 catch 展示,与「自定义模型为空」等节点校验一致。
+ * 抛出 { node, errMessage },由发布流程外层 catch 拼上节点名称展示,与后端文案一致。
  */
 export function validateWorkflowDefaultModels(work_flow: any, default_model_setting: any) {
   const setting = default_model_setting || {}
   const hasModel = (type: string) => !!((setting[type] || {}) as any).model_id
-  const errMessage = t('workflow.setting.defaultModelRequired')
+  const modelTypeLabel = (type: string) => t(`workflow.setting.modelType.${type}`) || type
+  // 与后端 _default_model_not_configured_message 结尾一致:「{模型类别}的默认模型未配置」
+  const defaultModelErr = (node: any, type: string) => {
+    return {
+      node,
+      errMessage: t('workflow.setting.defaultModelMissing', { modelType: modelTypeLabel(type) }),
+    }
+  }
 
   const walk = (nodes: any[]) => {
     for (const node of nodes || []) {
@@ -433,13 +440,13 @@ export function validateWorkflowDefaultModels(work_flow: any, default_model_sett
       if (nodeType === 'base-node') {
         // base-node 只有 default/custom(tts 另有 BROWSER)
         if (nd.stt_model_enable && nd.stt_model_id_type === 'default' && !hasModel('STT')) {
-          throw { node, errMessage }
+          throw defaultModelErr(node, 'STT')
         }
         if (nd.tts_model_enable && nd.tts_type === 'DEFAULT' && !hasModel('TTS')) {
-          throw { node, errMessage }
+          throw defaultModelErr(node, 'TTS')
         }
         if (nd.long_term_enable && nd.long_term_model_id_type === 'default' && !hasModel('LLM')) {
-          throw { node, errMessage }
+          throw defaultModelErr(node, 'LLM')
         }
         continue
       }
@@ -454,7 +461,7 @@ export function validateWorkflowDefaultModels(work_flow: any, default_model_sett
                 ? 'tts_model_id_type'
                 : 'model_id_type'
         if ((nd[typeKey] || 'custom') === 'default' && !hasModel(modelType)) {
-          throw { node, errMessage }
+          throw defaultModelErr(node, modelType)
         }
       }
       if (nodeType === 'loop-node' && nd.loop_body?.nodes) {
diff --git a/ui/src/workflow/index.vue b/ui/src/workflow/index.vue
index 2f469756435..53b6bdf5c20 100644
--- a/ui/src/workflow/index.vue
+++ b/ui/src/workflow/index.vue
@@ -182,6 +182,31 @@ const fitView = () => {
   })
 }
 
+/**
+ * 定位并高亮画布上的问题节点(发布/节点校验失败时调用,配合外层 MsgError 使用)。
+ * 支持顶层节点与 loop 嵌套节点:嵌套节点会先定位到所属顶层 loop 节点。
+ * @param node graph_data 中的节点(含 id)
+ */
+const highlightNode = (node: any) => {
+  const graphModel = lf.value?.graphModel
+  if (!graphModel || !node?.id) return
+  const nodeModel = graphModel.getNodeModelById(node.id)
+  if (nodeModel) {
+    graphModel.selectNodeById(node.id)
+    graphModel.transformModel.focusOn(nodeModel.x, nodeModel.y, nodeModel.width, nodeModel.height)
+    return
+  }
+  // 节点位于 loop-body 内时,定位到所属顶层 loop 节点
+  for (const topNode of graphModel.nodes || []) {
+    const loopBody = (topNode.properties?.node_data || {}).loop_body?.nodes || []
+    if (loopBody.some((n: any) => n.id === node.id)) {
+      graphModel.selectNodeById(topNode.id)
+      graphModel.transformModel.focusOn(topNode.x, topNode.y, topNode.width, topNode.height)
+      return
+    }
+  }
+}
+
 defineExpose({
   onmousedown,
   validate,
@@ -191,6 +216,7 @@ defineExpose({
   renderGraphData,
   render,
   fitView,
+  highlightNode,
 })
 </script>
 <style lang="scss">
diff --git a/ui/src/workflow/nodes/base-node/index.vue b/ui/src/workflow/nodes/base-node/index.vue
index 4d95f40acfa..20c354f1010 100644
--- a/ui/src/workflow/nodes/base-node/index.vue
+++ b/ui/src/workflow/nodes/base-node/index.vue
@@ -78,40 +78,9 @@
           </div>
         </template>
         <div v-if="form_data.long_term_enable" class="w-full">
-          <el-radio-group v-model="form_data.long_term_model_id_type" class="mb-8">
-            <el-radio :label="$t('views.application.longTermMemory.defaultModel')" value="default" />
-            <el-radio :label="$t('views.application.longTermMemory.custom')" value="custom" />
-          </el-radio-group>
-        </div>
-        <DefaultModelDisplay
-          v-if="form_data.long_term_enable && form_data.long_term_model_id_type === 'default'"
-          type="LLM"
-          :options="modelOptions"
-        />
-        <div
-          v-if="form_data.long_term_enable && form_data.long_term_model_id_type === 'custom'"
-          class="flex-between w-full"
-        >
-          <ModelSelect
-            v-model="form_data.long_term_model_id"
-            :placeholder="$t('views.application.form.aiModel.placeholder')"
-            :options="modelOptions"
-            @change="long_term_model_change"
-            @submitModel="getSelectModel"
-            showFooter
-            :model-type="'LLM'"
-          >
-          </ModelSelect>
-          <el-button
-            class="ml-8"
-            :disabled="!form_data.long_term_model_id"
-            @click="openLongTermParamSettingDialog"
-            @refreshForm="refreshParam"
-          >
-            <el-icon>
-              <Operation />
-            </el-icon>
-          </el-button>
+          <el-text type="info" class="color-secondary font-small">
+            {{ $t('views.application.longTermMemory.modelSettingTip') }}
+          </el-text>
         </div>
       </el-form-item>
       <el-form-item>
@@ -249,10 +218,6 @@
       :node-model="nodeModel"
       @refresh="refreshFileUploadForm"
     />
-    <AIModeParamSettingDialog
-      ref="LongTermModeParamSettingDialogRef"
-      @refresh="refreshLongTermForm"
-    />
     <LongTermSettingDialog ref="LongTermSettingDialogRef" @refresh="submitLongTermSettingDialog" />
   </NodeContainer>
 </template>
@@ -272,7 +237,6 @@ import ChatFieldTable from './component/ChatFieldTable.vue'
 import { useRoute } from 'vue-router'
 import { loadSharedApi } from '@/utils/dynamics-api/shared-api'
 import AppIcon from '@/components/app-icon/AppIcon.vue'
-import AIModeParamSettingDialog from '@/views/application/component/AIModeParamSettingDialog.vue'
 import LongTermSettingDialog from '@/views/application/component/LongTermSettingDialog.vue'
 
 const getResourceDetail = inject('getResourceDetail') as any
@@ -511,18 +475,7 @@ const refreshFileUploadForm = (data: any) => {
   form_data.value.file_upload_setting = data
 }
 
-const LongTermModeParamSettingDialogRef = ref()
 const LongTermSettingDialogRef = ref()
-const modelOptions = ref<any>(null)
-const loading = ref(false)
-const long_term_model_change = (model_id?: string) => {
-  form_data.value.long_term_model_id = model_id
-  if (model_id) {
-    LongTermModeParamSettingDialogRef.value?.reset_default(model_id, id)
-  } else {
-    refreshLongTermForm({})
-  }
-}
 
 function switchLongTerm() {
   if (form_data.value.long_term_enable && form_data.value.long_term_model_id_type === undefined) {
@@ -532,58 +485,30 @@ function switchLongTerm() {
 }
 
 function openLongTermConfigDialog() {
-  LongTermSettingDialogRef.value?.open(
-    form_data.value.long_term_trigger_type,
-    form_data.value.long_term_trigger_setting,
-  )
+  LongTermSettingDialogRef.value?.open({
+    trigger_type: form_data.value.long_term_trigger_type,
+    trigger_setting: form_data.value.long_term_trigger_setting,
+    long_term_model_id_type: form_data.value.long_term_model_id_type,
+    long_term_model_id: form_data.value.long_term_model_id,
+    model_params_setting: form_data.value.long_term_model_params_setting,
+    application_id: id,
+    workspace_id: form_data.value?.workspace_id,
+    model_setting_enable: true,
+  })
 }
 
 function submitLongTermSettingDialog(data: any) {
   form_data.value.long_term_trigger_type = data.trigger_type
   form_data.value.long_term_trigger_setting = data.trigger_setting
-}
-
-function refreshLongTermForm(data: any) {
-  form_data.value.long_term_model_params_setting = data
-}
-
-function openLongTermParamSettingDialog() {
-  if (form_data.value.long_term_model_id) {
-    LongTermModeParamSettingDialogRef.value?.open(
-      form_data.value.long_term_model_id,
-      id,
-      form_data.value.long_term_model_params_setting,
-    )
-  }
+  form_data.value.long_term_model_id_type = data.long_term_model_id_type
+  form_data.value.long_term_model_id = data.long_term_model_id
+  form_data.value.long_term_model_params_setting = data.long_term_model_params_setting
 }
 
 function refreshParam(data: any) {
   form_data.value = { ...form_data.value, ...data }
 }
 
-function getSelectModel() {
-  loading.value = true
-
-  const obj =
-    apiType.value === 'systemManage'
-      ? {
-          model_type: 'LLM',
-          workspace_id: form_data.value?.workspace_id,
-        }
-      : {
-          model_type: 'LLM',
-        }
-  loadSharedApi({ type: 'model', systemType: apiType.value })
-    .getSelectModelList(obj)
-    .then((res: any) => {
-      modelOptions.value = groupBy(res?.data, 'provider')
-      loading.value = false
-    })
-    .catch(() => {
-      loading.value = false
-    })
-}
-
 onMounted(() => {
   set(props.nodeModel, 'validate', validate)
   const nd = props.nodeModel.properties.node_data
@@ -600,7 +525,6 @@ onMounted(() => {
   }
   getTTSModel()
   getSTTModel()
-  getSelectModel()
 })
 </script>
 <style lang="scss" scoped></style>