diff --git a/Tool/number.js b/Tool/number.js
index 380d912..f34cbfb 100644
--- a/Tool/number.js
+++ b/Tool/number.js
@@ -108,4 +108,44 @@ function parseNginxLog (log) {
     return error;
   }
   return null;
+}
+
+/*
+ * cookies 解析函数
+ * @param {string} cookiesStr 
+ * @return {Array} CookieArray
+ */
+function toCookiesArray(cookies) {
+  if (!cookies || cookies.length === 0) return;
+
+  // 解析旧的 cookies
+  const cookieMap = {};
+  cookies.split("; ").forEach(cookie => {
+      const [key, value] = cookie.split("=");
+      if (key) cookieMap[key] = value;
+  });
+
+  return cookieMap;
+}
+
+
+/*
+ * cookies 更新函数
+ * @param {Array} setCookieArray 新的 Set-Cookie 数组
+ */
+function updateCookies(cookies, setCookieArray) {
+  if (!setCookieArray || setCookieArray.length === 0) return;
+
+  // 解析旧的 cookies
+  const cookieMap = toCookiesArray(cookies);
+
+  // 解析新的 Set-Cookie 数组并更新
+  setCookieArray.forEach(cookieStr => {
+      const cookiePair = cookieStr.split(";")[0]; // 只取 key=value
+      const [key, value] = cookiePair.split("=");
+      if (key) cookieMap[key] = value;
+  });
+
+  // 重新拼接成字符串存回全局 cookies
+  return Object.entries(cookieMap).map(([key, value]) => `${key}=${value}`).join("; ");
 }
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