diff --git a/src/utils/encryptUtil.js b/src/utils/encryptUtil.js
new file mode 100644
index 0000000..9a1d8ce
--- /dev/null
+++ b/src/utils/encryptUtil.js
@@ -0,0 +1,36 @@
+const CRYPTOJSKEY = '7LrjnqHv2mS5Qr5s'
+import CryptoJS from 'crypto-js'
+export function encrypt(plaintText) {
+  var plaintText = plaintText
+  var options = {
+    mode: CryptoJS.mode.ECB,
+    padding: CryptoJS.pad.Pkcs7
+  }
+  var key = CryptoJS.enc.Utf8.parse(CRYPTOJSKEY)
+  var encryptedData = CryptoJS.AES.encrypt(plaintText, key, options)
+  var encryptedBase64Str = encryptedData.toString().replace(/\//g, '_')
+  encryptedBase64Str = encryptedBase64Str.replace(/\+/g, '-')
+  return encryptedBase64Str
+}
+export function decrypt(encryptedText) {
+  // 还原 URL 安全字符
+  let encryptedBase64Str = encryptedText
+    .replace(/_/g, '/') // 还原 _
+    .replace(/-/g, '+') // 还原 -
+  // 补充末尾的 =（如果需要）
+  const mod4 = encryptedBase64Str.length % 4
+  if (mod4) {
+    encryptedBase64Str += '='.repeat(4 - mod4)
+  }
+  try {
+    const key = CryptoJS.enc.Utf8.parse(CRYPTOJSKEY)
+    const decrypt = CryptoJS.AES.decrypt(encryptedBase64Str, key, {
+      mode: CryptoJS.mode.ECB,
+      padding: CryptoJS.pad.Pkcs7
+    })
+    return CryptoJS.enc.Utf8.stringify(decrypt).toString()
+  } catch (e) {
+    console.error('解密失败:', e)
+    return null
+  }
+}