diff --git a/src/components/seal-form/base/select.tsx b/src/components/seal-form/base/select.tsx
index 4575e188..85d0046a 100644
--- a/src/components/seal-form/base/select.tsx
+++ b/src/components/seal-form/base/select.tsx
@@ -48,6 +48,7 @@ const BaseSelect: React.FC<
       notFoundContent={
         <NotFoundContent loading={loading} notFoundContent={notFoundContent} />
       }
+      placeholder={props.placeholder}
       ref={inputRef}
       onFocus={handleFocus}
       onBlur={handleBlur}
diff --git a/src/locales/zh-CN/routes.ts b/src/locales/zh-CN/routes.ts
index d2532c74..ad168308 100644
--- a/src/locales/zh-CN/routes.ts
+++ b/src/locales/zh-CN/routes.ts
@@ -3,15 +3,15 @@ export default {
   'routes.button.add': '添加路由',
   'routes.table.routeTargets': '路由目标',
   'routes.table.traffic': '流量',
-  'routes.table.setAsFallback': '降级',
+  'routes.table.setAsFallback': 'Fallback',
   'routes.form.target.title': '路由目标',
   'routes.form.target.add': '添加路由目标',
-  'routes.form.target.fallback': '降级路由目标',
+  'routes.form.target.fallback': 'Fallback 路由目标',
   'routes.form.target.weight': '权重',
   'routes.form.target.model': '模型',
   'routes.form.metadata.title': '元数据',
   'routes.form.metadata.add': '添加元数据',
-  'routes.table.label.fallback': '降级',
+  'routes.table.label.fallback': 'Fallback',
   'routes.form.metadata.size': '参数量',
   'routes.form.metadata.activeSize': '激活参数量',
   'routes.form.metadata.tags': '标签',
diff --git a/src/pages/maas-provider/components/provider-models.tsx b/src/pages/maas-provider/components/provider-models.tsx
index 97ff6612..fb38ccf9 100644
--- a/src/pages/maas-provider/components/provider-models.tsx
+++ b/src/pages/maas-provider/components/provider-models.tsx
@@ -5,6 +5,7 @@ import {
   WarningOutlined
 } from '@ant-design/icons';
 import { Flex, Tag } from 'antd';
+import _ from 'lodash';
 import React from 'react';
 import { categoryConfig } from '../../_components/model-tag';
 import { ProviderModel } from '../config/types';
@@ -26,7 +27,7 @@ const ProviderModels: React.FC<ProviderModelProps> = ({ dataList }) => {
           <Tag
             key={model.name}
             icon={
-              model.accessible !== null
+              _.isBoolean(model.accessible)
                 ? iconsMap[model.accessible ? 'accessible' : 'inaccessible']
                 : iconsMap['none']
             }
diff --git a/src/pages/maas-provider/forms/advance-config.tsx b/src/pages/maas-provider/forms/advance-config.tsx
index 6dc27b09..ab900e78 100644
--- a/src/pages/maas-provider/forms/advance-config.tsx
+++ b/src/pages/maas-provider/forms/advance-config.tsx
@@ -4,7 +4,7 @@ import YamlEditor from '@/pages/_components/yaml-editor';
 import { useIntl } from '@umijs/max';
 import { Form } from 'antd';
 import React, { forwardRef, useImperativeHandle } from 'react';
-import AccessToken from './access-token';
+import APIKeys from './api-keys';
 import ProxyConfig from './proxy-config';
 
 const AdvanceConfig: React.FC<{
@@ -29,7 +29,7 @@ const AdvanceConfig: React.FC<{
   return (
     <>
       <div data-field="advanceConfig"></div>
-      <AccessToken></AccessToken>
+      <APIKeys></APIKeys>
       <ProxyConfig></ProxyConfig>
       <Form.Item
         hidden
diff --git a/src/pages/maas-provider/forms/access-token.tsx b/src/pages/maas-provider/forms/api-keys.tsx
similarity index 100%
rename from src/pages/maas-provider/forms/access-token.tsx
rename to src/pages/maas-provider/forms/api-keys.tsx
diff --git a/src/pages/maas-provider/forms/supported-models.tsx b/src/pages/maas-provider/forms/supported-models.tsx
index 51291110..616724af 100644
--- a/src/pages/maas-provider/forms/supported-models.tsx
+++ b/src/pages/maas-provider/forms/supported-models.tsx
@@ -57,8 +57,13 @@ const SupportedModels = () => {
     <>
       <Form.Item name="models" data-field="supportedModels">
         <MetadataList
+          styles={{
+            wrapper: {
+              paddingTop: 14
+            }
+          }}
           dataList={modelList}
-          label={intl.formatMessage({ id: 'providers.table.models' })}
+          label=""
           btnText={intl.formatMessage({ id: 'providers.form.models.add' })}
           onAdd={onAdd}
           onDelete={onDelete}
diff --git a/src/pages/model-routes/components/route-targets.tsx b/src/pages/model-routes/components/route-targets.tsx
index 621face5..33c38983 100644
--- a/src/pages/model-routes/components/route-targets.tsx
+++ b/src/pages/model-routes/components/route-targets.tsx
@@ -1,6 +1,5 @@
 import AutoTooltip from '@/components/auto-tooltip';
 import DropdownButtons from '@/components/drop-down-buttons';
-import IconFont from '@/components/icon-font';
 import RowChildren from '@/components/seal-table/components/row-children';
 import StatusTag from '@/components/status-tag';
 import { DeleteOutlined } from '@ant-design/icons';
@@ -9,7 +8,7 @@ import { Col, Row } from 'antd';
 import dayjs from 'dayjs';
 import React from 'react';
 import styled from 'styled-components';
-import { TargetStatus, TargetStatusValueMap } from '../config';
+import { TargetStatus, TargetStatusLabelMap } from '../config';
 import { RouteTarget } from '../config/types';
 const CellContent = styled.div`
   display: flex;
@@ -30,11 +29,11 @@ interface AccessItemProps {
 }
 
 export const childActionList = [
-  {
-    key: 'fallback',
-    label: 'routes.table.setAsFallback',
-    icon: <IconFont type="icon-shield" />
-  },
+  // {
+  //   key: 'fallback',
+  //   label: 'routes.table.setAsFallback',
+  //   icon: <IconFont type="icon-shield" />
+  // },
   {
     key: 'delete',
     label: 'common.button.delete',
@@ -108,7 +107,7 @@ const RouteItem: React.FC<AccessItemProps> = ({
                 <StatusTag
                   statusValue={{
                     status: TargetStatus[data.state],
-                    text: TargetStatusValueMap[data.state],
+                    text: TargetStatusLabelMap[data.state],
                     message: ''
                   }}
                 />
diff --git a/src/pages/model-routes/forms/targets.tsx b/src/pages/model-routes/forms/targets.tsx
index 60777da0..7934c8ba 100644
--- a/src/pages/model-routes/forms/targets.tsx
+++ b/src/pages/model-routes/forms/targets.tsx
@@ -5,29 +5,9 @@ import { useIntl } from '@umijs/max';
 import { Form } from 'antd';
 import _ from 'lodash';
 import { forwardRef, useEffect, useImperativeHandle, useState } from 'react';
-import styled from 'styled-components';
 import { FormData } from '../config/types';
 import useTargetSourceModels from '../hooks/use-target-source-models';
 
-const Inner = styled.div`
-  display: flex;
-  align-items: center;
-  width: 100%;
-  ul.ant-cascader-menu:first-child {
-    li[data-path-key='deployments'] {
-      position: relative;
-      &::after {
-        content: '';
-        position: absolute;
-        left: 0;
-        right: 0;
-        bottom: 0;
-        border-bottom: 1px solid var(--ant-color-split);
-      }
-    }
-  }
-`;
-
 const TargetsForm = forwardRef((props, ref) => {
   const intl = useIntl();
   const { sourceModels, loading, fetchSourceModels } = useTargetSourceModels();
@@ -58,6 +38,14 @@ const TargetsForm = forwardRef((props, ref) => {
   }));
 
   const handleTargetsChange = (value: any[], index: number, options: any[]) => {
+    console.log(
+      'handleTargetsChange:',
+      value,
+      index,
+      options,
+      dataList,
+      sourceModels
+    );
     const selectedOption =
       options?.find?.((opt) => opt.value === value[1]) || {};
     const targetList = [...targets];
@@ -100,10 +88,10 @@ const TargetsForm = forwardRef((props, ref) => {
     const selectedOption =
       options?.find?.((opt) => opt.value === value[1]) || {};
 
-    console.log('fallback selected option data:', value);
     form.setFieldValue('fallback_target', {
       ...selectedOption?.data
     });
+    console.log('handleFallbackChange:', value, dataList);
     setFallbackValues({
       value: value
     });
@@ -127,6 +115,44 @@ const TargetsForm = forwardRef((props, ref) => {
     setDataList(newDataList);
   };
 
+  const buildKey = (path?: any[]) =>
+    Array.isArray(path) ? path.join('/') : '';
+
+  const filterOptions = (currentValue: any[]) => {
+    const currKey = buildKey(currentValue);
+
+    const selectedDataList = [...dataList, { value: fallbackValues.value }];
+
+    const selectedKeys = selectedDataList
+      .filter((item) => item.value)
+      .map((item) => buildKey(item.value));
+
+    return sourceModels
+      .map((model) => {
+        const children = model.children?.filter((child) => {
+          const key = buildKey([child.data?.parentId, child.value]);
+
+          return !selectedKeys.includes(key) || key === currKey;
+        });
+
+        return {
+          ...model,
+          children
+        };
+      })
+      .filter((model) => model.children && model.children.length > 0);
+  };
+
+  const displayRender = (labels: any[]) => {
+    return (
+      <span className="flex-center gap-4">
+        {labels[0]}
+        <span>/</span>
+        <span>{labels[1]}</span>
+      </span>
+    );
+  };
+
   useEffect(() => {
     fetchSourceModels();
   }, []);
@@ -188,13 +214,21 @@ const TargetsForm = forwardRef((props, ref) => {
                     root: 'cascader-popup-wrapper gpu-selector'
                   }
                 }}
+                styles={{
+                  popup: {
+                    listItem: {
+                      padding: '5px 10px'
+                    }
+                  }
+                }}
                 maxTagCount={1}
                 placeholder={intl.formatMessage({
                   id: 'providers.form.target.placeholder'
                 })}
                 value={item.value}
-                options={sourceModels}
+                options={filterOptions(item.value)}
                 showCheckedStrategy="SHOW_CHILD"
+                displayRender={displayRender}
                 getPopupContainer={(triggerNode) => triggerNode.parentNode}
               ></SealCascader>
               <span className="seprator">:</span>
@@ -223,6 +257,13 @@ const TargetsForm = forwardRef((props, ref) => {
                 root: 'cascader-popup-wrapper gpu-selector'
               }
             }}
+            styles={{
+              popup: {
+                listItem: {
+                  padding: '5px 10px'
+                }
+              }
+            }}
             label={intl.formatMessage({
               id: 'routes.form.target.fallback'
             })}
@@ -231,9 +272,10 @@ const TargetsForm = forwardRef((props, ref) => {
             })}
             maxTagCount={1}
             value={fallbackValues.value}
-            options={sourceModels}
+            options={filterOptions(fallbackValues.value)}
             onChange={(value, options) => handleFallbackChange(value, options)}
             showCheckedStrategy="SHOW_CHILD"
+            displayRender={displayRender}
             getPopupContainer={(triggerNode) => triggerNode.parentNode}
           ></SealCascader>
         </div>
diff --git a/src/pages/model-routes/hooks/use-target-source-models.tsx b/src/pages/model-routes/hooks/use-target-source-models.tsx
index caf37d38..eaf83696 100644
--- a/src/pages/model-routes/hooks/use-target-source-models.tsx
+++ b/src/pages/model-routes/hooks/use-target-source-models.tsx
@@ -1,17 +1,30 @@
+import GPUStackLogo from '@/assets/images/small-logo-200x200.png';
 import { queryModelsList } from '@/pages/llmodels/apis';
 import { ListItem as ModelListItem } from '@/pages/llmodels/config/types';
 import { queryMaasProviders } from '@/pages/maas-provider/apis';
+import ProviderLogo from '@/pages/maas-provider/components/provider-logo';
 import { MaasProviderItem } from '@/pages/maas-provider/config/types';
 import { useIntl } from '@umijs/max';
-import { useState } from 'react';
+import React, { useState } from 'react';
+import styled from 'styled-components';
+
+const OptionWrapper = styled.span`
+  display: flex;
+  align-items: center;
+  gap: 8px;
+`;
 
 type EmptyObject = Record<never, never>;
 type CascaderOption<T extends object = EmptyObject> = {
-  label: string;
+  label: React.ReactNode;
   value: string | number;
   parent?: boolean;
   disabled?: boolean;
   index?: number;
+  data?: {
+    [key: string]: any;
+    parentId?: string | number;
+  };
   children?: CascaderOption<T>[];
 } & Partial<T>;
 
@@ -31,17 +44,10 @@ const useTargetSourceModels = () => {
       const modelsList = [
         {
           label: (
-            <span>
+            <OptionWrapper>
+              <img src={GPUStackLogo} alt="GPUStack" width={16} height={16} />
               {intl.formatMessage({ id: 'menu.models.deployment' })}
-              <span
-                style={{
-                  color: 'var(--ant-color-text-tertiary)',
-                  marginLeft: 4
-                }}
-              >
-                [GPUStack]
-              </span>
-            </span>
+            </OptionWrapper>
           ),
           value: 'deployments',
           parent: true,
@@ -49,7 +55,8 @@ const useTargetSourceModels = () => {
             label: model.name,
             value: model.id,
             data: {
-              model_id: model.id
+              model_id: model.id,
+              parentId: 'deployments'
             },
             source: 'deployment'
           }))
@@ -58,7 +65,12 @@ const useTargetSourceModels = () => {
 
       const providerOptions: CascaderOption[] = providers.items
         ?.map?.((provider: MaasProviderItem) => ({
-          label: provider.name,
+          label: (
+            <OptionWrapper>
+              <ProviderLogo provider={provider.config?.type as string} />
+              <span>{provider.name}</span>
+            </OptionWrapper>
+          ),
           value: provider.id,
           parent: true,
           children: provider.models?.map?.((model) => ({
@@ -66,7 +78,8 @@ const useTargetSourceModels = () => {
             value: model.name,
             data: {
               provider_model_name: model.name,
-              provider_id: provider.id
+              provider_id: provider.id,
+              parentId: provider.id
             },
             source: 'providerModel'
           }))