Feat: Disable Max_token by default #5283 (#5290)

### What problem does this PR solve?

Feat: Disable Max_token by default #5283

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/flow/constant.tsx

@@ -30,8 +30,12 @@ import { ReactComponent as YahooFinanceIcon } from '@/assets/svg/yahoo-finance.s
 
 // 邮件功能
 
-import { variableEnabledFieldMap } from '@/constants/chat';
+import {
+  ChatVariableEnabledField,
+  variableEnabledFieldMap,
+} from '@/constants/chat';
 import i18n from '@/locales/config';
+import { setInitialChatVariableEnabledFieldValue } from '@/utils/chat';
 
 // DuckDuckGo's channel options
 export enum Channel {
@@ -403,7 +407,9 @@ export const initialBeginValues = {
 export const variableCheckBoxFieldMap = Object.keys(
   variableEnabledFieldMap,
 ).reduce<Record<string, boolean>>((pre, cur) => {
-  pre[cur] = true;
+  pre[cur] = setInitialChatVariableEnabledFieldValue(
+    cur as ChatVariableEnabledField,
+  );
   return pre;
 }, {});