diff --git a/web/src/utils/common.js b/web/src/utils/common.js
index c25f2a24..25e5c635 100644
--- a/web/src/utils/common.js
+++ b/web/src/utils/common.js
@@ -140,6 +140,15 @@ export function renderQuota(quota, digits = 2) {
   return renderNumber(quota);
 }
 
+export const verifyJSON = (str) => {
+  try {
+    JSON.parse(str);
+  } catch (e) {
+    return false;
+  }
+  return true;
+};
+
 export function renderNumber(num) {
   if (num >= 1000000000) {
     return (num / 1000000000).toFixed(1) + 'B';
diff --git a/web/src/views/Setting/component/OperationSetting.js b/web/src/views/Setting/component/OperationSetting.js
index a52b57d8..3835751b 100644
--- a/web/src/views/Setting/component/OperationSetting.js
+++ b/web/src/views/Setting/component/OperationSetting.js
@@ -2,7 +2,7 @@ require('dayjs/locale/zh-cn');
 import { useState, useEffect } from 'react';
 import SubCard from 'ui-component/cards/SubCard';
 import { Stack, FormControl, InputLabel, OutlinedInput, Checkbox, Button, FormControlLabel, TextField } from '@mui/material';
-import { showSuccess, showError } from 'utils/common';
+import { showSuccess, showError, verifyJSON } from 'utils/common';
 import { API } from 'utils/api';
 import { AdapterDayjs } from '@mui/x-date-pickers/AdapterDayjs';
 import { LocalizationProvider } from '@mui/x-date-pickers/LocalizationProvider';