diff --git a/src/web/request/getAbyss.ts b/src/web/request/getAbyss.ts
index 539f79fc..386e733a 100644
--- a/src/web/request/getAbyss.ts
+++ b/src/web/request/getAbyss.ts
@@ -2,7 +2,7 @@
  * @file web request getAbyss.ts
  * @description 获取深渊信息
  * @author BTMuli<bt-muli@outlook.com>
- * @since Alpha v0.2.0
+ * @since Beta v0.3.0
  */
 
 // tauri
@@ -10,11 +10,11 @@ import { http } from "@tauri-apps/api";
 // api
 import TGApi from "../api/TGApi";
 // utils
-import { getRequestHeader } from "../utils/getRequestHeader";
+import TGUtils from "../utils/TGUtils";
 
 /**
  * @description 获取深渊信息
- * @since Alpha v0.2.0
+ * @since Beta v0.3.0
  * @param {Record<string, string>} cookie cookie
  * @param {string} schedule_type 1: 本期, 2: 上期
  * @param {TGApp.Sqlite.Account.Game} account 游戏账号
@@ -28,7 +28,7 @@ export async function getAbyss(
   const url = TGApi.GameData.getAbyss;
   const role_id = account.gameUid;
   const params = { role_id, schedule_type, server: account.region };
-  const header = getRequestHeader(cookie, "GET", params, "common");
+  const header = TGUtils.User.getHeader(cookie, "GET", params, "common");
   return await http
     .fetch<TGApp.Game.Abyss.Response>(url, {
       method: "GET",
diff --git a/src/web/utils/TGUtils.ts b/src/web/utils/TGUtils.ts
index d0a4f353..6d600abb 100644
--- a/src/web/utils/TGUtils.ts
+++ b/src/web/utils/TGUtils.ts
@@ -2,11 +2,11 @@
  * @file web utils TGUtils.ts
  * @description 应用用到的工具函数
  * @author BTMuli <bt-muli@outlook.com>
- * @since Alpha v0.2.1
+ * @since Beta v0.3.0
  */
 
 import { getAnnoCard } from "./getAnnoCard";
-import { getRequestHeader, getRequestSignHeader } from "./getRequestHeader";
+import { getRequestHeader } from "./getRequestHeader";
 import { parseAnnoContent } from "./parseAnno";
 import { getServerByUid, transCookie } from "./tools";
 
@@ -17,7 +17,6 @@ const TGUtils = {
   },
   User: {
     getHeader: getRequestHeader,
-    getSignHeader: getRequestSignHeader,
   },
   Tools: {
     getServerByUid,
diff --git a/src/web/utils/getRequestHeader.ts b/src/web/utils/getRequestHeader.ts
index 9455ffa9..e7b1b764 100644
--- a/src/web/utils/getRequestHeader.ts
+++ b/src/web/utils/getRequestHeader.ts
@@ -1,8 +1,8 @@
 /**
  * @file web utils getRequestHeader.ts
  * @description 获取请求头
- * @author BTMuli<bt-muli@outlook.com>
- * @since Alpha v0.2.0
+ * @author BTMuli <bt-muli@outlook.com>
+ * @since Beta v0.3.0
  */
 
 // Node
@@ -13,8 +13,8 @@ import { transCookie, transParams } from "./tools";
 
 /**
  * @description 获取 salt
- * @since Alpha v0.2.0
- * @version 2.49.1
+ * @since Beta v0.3.0
+ * @version 2.50.1
  * @param {string} saltType salt 类型
  * @returns {string} salt
  */
@@ -24,6 +24,8 @@ function getSalt(saltType: string): string {
       return TGConstant.Salt.Other.X4;
     case "prod":
       return TGConstant.Salt.Other.prod;
+    case "lk2":
+      return TGConstant.Salt.BBS.LK2;
     default:
       return TGConstant.Salt.Other.X4;
   }
@@ -57,33 +59,35 @@ export function getRandomString(length: number): string {
 
 /**
  * @description 获取 ds
- * @since Alpha v0.2.0
- * @version 2.49.1
+ * @since Beta v0.3.0
+ * @version 2.50.1
  * @param {string} method 请求方法
  * @param {string} data 请求数据
  * @param {string} saltType salt 类型
  * @param {boolean} isSign 是否为签名
  * @returns {string} ds
  */
-function getDS(method: string, data: string, saltType: string, isSign: boolean = false): string {
+function getDS(method: string, data: string, saltType: string, isSign: boolean): string {
   const salt = getSalt(saltType);
   const time = Math.floor(Date.now() / 1000).toString();
   let random = getRandomNumber(100000, 200000).toString();
   if (isSign) random = getRandomString(6);
   const body = method === "GET" ? "" : data;
   const query = method === "GET" ? data : "";
-  const hashStr = `salt=${salt}&t=${time}&r=${random}&b=${body}&q=${query}`;
+  let hashStr = `salt=${salt}&t=${time}&r=${random}&b=${body}&q=${query}`;
+  if (isSign) hashStr = `salt=${salt}&t=${time}&r=${random}`;
   const md5Str = md5.update(hashStr).hex();
   return `${time},${random},${md5Str}`;
 }
 
 /**
  * @description 获取请求头
- * @since Alpha v0.2.0
+ * @since Beta v0.3.0
  * @param {Record<string, string>} cookie cookie
  * @param {string} method 请求方法
  * @param {Record<string, string|number>|string} data 请求数据
  * @param {string} saltType salt 类型
+ * @param {boolean} isSign 是否为签名
  * @returns {Record<string, string>} 请求头
  */
 export function getRequestHeader(
@@ -91,12 +95,13 @@ export function getRequestHeader(
   method: string,
   data: Record<string, string | number> | string,
   saltType: string,
+  isSign: boolean = false,
 ): Record<string, string> {
   let ds;
   if (typeof data === "string") {
-    ds = getDS(method, data, saltType);
+    ds = getDS(method, data, saltType, isSign);
   } else {
-    ds = getDS(method, transParams(data), saltType);
+    ds = getDS(method, transParams(data), saltType, isSign);
   }
   return {
     "User-Agent": TGConstant.BBS.USER_AGENT,
@@ -108,29 +113,3 @@ export function getRequestHeader(
     Cookie: transCookie(cookie),
   };
 }
-
-/**
- * @description 获取签名请求头
- * @since Alpha v0.2.0
- * @param {Record<string, string>} cookie cookie
- * @param {string} method 请求方法
- * @param {Record<string, string|number>} data 请求数据
- * @param {string} saltType salt 类型
- * @returns {Record<string, string>} 请求头
- */
-export function getRequestSignHeader(
-  cookie: Record<string, string>,
-  method: string,
-  data: Record<string, string | number>,
-  saltType: string,
-): Record<string, string> {
-  return {
-    "User-Agent": TGConstant.BBS.USER_AGENT,
-    "x-rpc-app_version": TGConstant.BBS.VERSION,
-    "x-rpc-client_type": "5",
-    "x-requested-with": "com.mihoyo.hyperion",
-    Referer: "https://webstatic.mihoyo.com",
-    DS: getDS(method, transParams(data), saltType, true),
-    Cookie: transCookie(cookie),
-  };
-}