diff --git a/packages/service/common/system/config/controller.ts b/packages/service/common/system/config/controller.ts
index a44ec63bb547..5eb6d1bc1345 100644
--- a/packages/service/common/system/config/controller.ts
+++ b/packages/service/common/system/config/controller.ts
@@ -39,3 +39,13 @@ export const updateFastGPTConfigBuffer = async () => {
 
   global.systemInitBufferId = res.createTime.getTime().toString();
 };
+
+export const reloadFastGPTConfigBuffer = async () => {
+  const res = await MongoSystemConfigs.findOne({
+    type: SystemConfigsTypeEnum.fastgpt
+  }).sort({
+    createTime: -1
+  });
+  if (!res) return;
+  global.systemInitBufferId = res.createTime.getTime().toString();
+};
diff --git a/packages/service/core/ai/config/utils.ts b/packages/service/core/ai/config/utils.ts
index f6b997813797..e39ee1a38ccb 100644
--- a/packages/service/core/ai/config/utils.ts
+++ b/packages/service/core/ai/config/utils.ts
@@ -13,6 +13,11 @@ import {
 import { debounce } from 'lodash';
 import { ModelProviderType } from '@fastgpt/global/core/ai/provider';
 import { findModelFromAlldata } from '../model';
+import {
+  reloadFastGPTConfigBuffer,
+  updateFastGPTConfigBuffer
+} from '../../../common/system/config/controller';
+import { delay } from '@fastgpt/global/common/system/utils';
 
 /* 
   TODO: 分优先级读取：
@@ -170,8 +175,21 @@ export const watchSystemModelUpdate = () => {
     'change',
     debounce(async () => {
       try {
+        // Main node will reload twice
         await loadSystemModels(true);
+        // All node reaload buffer
+        await reloadFastGPTConfigBuffer();
       } catch (error) {}
     }, 500)
   );
 };
+
+// 更新完模型后，需要重载缓存
+export const updatedReloadSystemModel = async () => {
+  // 1. 更新模型（所有节点都会触发）
+  await loadSystemModels(true);
+  // 2. 更新缓存（仅主节点触发）
+  await updateFastGPTConfigBuffer();
+  // 3. 延迟1秒，等待其他节点刷新
+  await delay(1000);
+};
diff --git a/projects/app/src/components/core/app/TTSSelect.tsx b/projects/app/src/components/core/app/TTSSelect.tsx
index ff8650a17e91..aaedceb25505 100644
--- a/projects/app/src/components/core/app/TTSSelect.tsx
+++ b/projects/app/src/components/core/app/TTSSelect.tsx
@@ -70,7 +70,7 @@ const TTSSelect = ({
     const provider = selectorList.find((item) => item.value === formatValue[0]) || selectorList[0];
     const voice = provider.children.find((item) => item.value === formatValue[1]);
     return (
-      <Box minW={'150px'} maxW={'220px'} className="textEllipsis">
+      <Box maxW={'220px'} className="textEllipsis">
         {voice ? (
           <Flex alignItems={'center'}>
             <Box>{provider.label}</Box>
@@ -141,7 +141,7 @@ const TTSSelect = ({
             <FormLabel>{t('common:core.app.tts.Speech model')}</FormLabel>
             <MultipleRowSelect
               rowMinWidth="160px"
-              label={formLabel}
+              label={<Box minW={'150px'}>{formLabel}</Box>}
               value={formatValue}
               list={selectorList}
               onSelect={onclickChange}
diff --git a/projects/app/src/pages/api/core/ai/model/delete.ts b/projects/app/src/pages/api/core/ai/model/delete.ts
index d7c7ff08d803..4f0c344dbb6a 100644
--- a/projects/app/src/pages/api/core/ai/model/delete.ts
+++ b/projects/app/src/pages/api/core/ai/model/delete.ts
@@ -4,7 +4,7 @@ import { MongoSystemModel } from '@fastgpt/service/core/ai/config/schema';
 import { authSystemAdmin } from '@fastgpt/service/support/permission/user/auth';
 import { findModelFromAlldata } from '@fastgpt/service/core/ai/model';
 import { updateFastGPTConfigBuffer } from '@fastgpt/service/common/system/config/controller';
-import { loadSystemModels } from '@fastgpt/service/core/ai/config/utils';
+import { loadSystemModels, updatedReloadSystemModel } from '@fastgpt/service/core/ai/config/utils';
 
 export type deleteQuery = {
   model: string;
@@ -34,8 +34,7 @@ async function handler(
 
   await MongoSystemModel.deleteOne({ model });
 
-  await loadSystemModels(true);
-  await updateFastGPTConfigBuffer();
+  await updatedReloadSystemModel();
 
   return {};
 }
diff --git a/projects/app/src/pages/api/core/ai/model/update.ts b/projects/app/src/pages/api/core/ai/model/update.ts
index 6fd14e60eae8..2ccd60403a79 100644
--- a/projects/app/src/pages/api/core/ai/model/update.ts
+++ b/projects/app/src/pages/api/core/ai/model/update.ts
@@ -2,10 +2,8 @@ import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/nex
 import { NextAPI } from '@/service/middleware/entry';
 import { authSystemAdmin } from '@fastgpt/service/support/permission/user/auth';
 import { MongoSystemModel } from '@fastgpt/service/core/ai/config/schema';
-import { delay } from '@fastgpt/global/common/system/utils';
-import { updateFastGPTConfigBuffer } from '@fastgpt/service/common/system/config/controller';
 import { findModelFromAlldata } from '@fastgpt/service/core/ai/model';
-import { loadSystemModels } from '@fastgpt/service/core/ai/config/utils';
+import { updatedReloadSystemModel } from '@fastgpt/service/core/ai/config/utils';
 
 export type updateQuery = {};
 
@@ -58,8 +56,7 @@ async function handler(
     }
   );
 
-  await loadSystemModels(true);
-  await updateFastGPTConfigBuffer();
+  await updatedReloadSystemModel();
 
   return {};
 }
diff --git a/projects/app/src/pages/api/core/ai/model/updateDefault.ts b/projects/app/src/pages/api/core/ai/model/updateDefault.ts
index cc34dafc2cbe..3c9c856894d7 100644
--- a/projects/app/src/pages/api/core/ai/model/updateDefault.ts
+++ b/projects/app/src/pages/api/core/ai/model/updateDefault.ts
@@ -2,7 +2,7 @@ import type { ApiRequestProps, ApiResponseType } from '@fastgpt/service/type/nex
 import { NextAPI } from '@/service/middleware/entry';
 import { mongoSessionRun } from '@fastgpt/service/common/mongo/sessionRun';
 import { MongoSystemModel } from '@fastgpt/service/core/ai/config/schema';
-import { loadSystemModels } from '@fastgpt/service/core/ai/config/utils';
+import { loadSystemModels, updatedReloadSystemModel } from '@fastgpt/service/core/ai/config/utils';
 import { updateFastGPTConfigBuffer } from '@fastgpt/service/common/system/config/controller';
 import { ModelTypeEnum } from '@fastgpt/global/core/ai/model';
 import { authSystemAdmin } from '@fastgpt/service/support/permission/user/auth';
@@ -67,8 +67,7 @@ async function handler(
     }
   });
 
-  await loadSystemModels(true);
-  await updateFastGPTConfigBuffer();
+  await updatedReloadSystemModel();
 
   return {};
 }
diff --git a/projects/app/src/pages/api/core/ai/model/updateWithJson.ts b/projects/app/src/pages/api/core/ai/model/updateWithJson.ts
index 1efd3b109151..d15c060c4142 100644
--- a/projects/app/src/pages/api/core/ai/model/updateWithJson.ts
+++ b/projects/app/src/pages/api/core/ai/model/updateWithJson.ts
@@ -4,8 +4,7 @@ import { SystemModelSchemaType } from '@fastgpt/service/core/ai/type';
 import { authSystemAdmin } from '@fastgpt/service/support/permission/user/auth';
 import { mongoSessionRun } from '@fastgpt/service/common/mongo/sessionRun';
 import { MongoSystemModel } from '@fastgpt/service/core/ai/config/schema';
-import { updateFastGPTConfigBuffer } from '@fastgpt/service/common/system/config/controller';
-import { loadSystemModels } from '@fastgpt/service/core/ai/config/utils';
+import { updatedReloadSystemModel } from '@fastgpt/service/core/ai/config/utils';
 
 export type updateWithJsonQuery = {};
 
@@ -55,8 +54,7 @@ async function handler(
     }
   });
 
-  await loadSystemModels(true);
-  await updateFastGPTConfigBuffer();
+  await updatedReloadSystemModel();
 
   return {};
 }