diff --git a/src/auth/oauth/oauth.ts b/src/auth/oauth/oauth.ts
index 285afcd..0121ec5 100644
--- a/src/auth/oauth/oauth.ts
+++ b/src/auth/oauth/oauth.ts
@@ -449,3 +449,25 @@ export class OAuth<T extends OauthUser> {
     return id;
   }
 }
+
+/**
+ * 长度为8位的时间的十六进制字符串，单位为秒，使用createHexTime创建，使用parseHexTime解析
+ * @param date 
+ * @returns 
+ */
+export const createHexTime = (date: Date) => {
+  const timestamp = Math.floor(date.getTime() / 1000);
+  const hex = timestamp.toString(16);
+  return hex;
+};
+
+/**
+ * 解析createHexTime创建的十六进制时间字符串，返回Date对象
+ * @param hex 
+ * @returns 
+ */
+export const parseHexTime = (hex: string) => {
+  const timestamp = parseInt(hex, 16);
+  const date = new Date(timestamp * 1000);
+  return date;
+};
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