diff --git a/src/client/cookie.ts b/src/client/cookie.ts
new file mode 100644
index 0000000..985b5ef
--- /dev/null
+++ b/src/client/cookie.ts
@@ -0,0 +1,55 @@
+import { TiktokAPI, SSSTik, MusicalDown, TiktokStalk } from "../index"
+
+export class Client {
+  private cookie: string[]
+
+  constructor() {
+    this.cookie = []
+  }
+
+  public getCookie(): string {
+    if (this.cookie.length === 0) throw new Error("Please login your account first!")
+    return this.cookie[0]
+  }
+
+  public getAllCookie(): string[] {
+    if (this.cookie.length === 0) throw new Error("Please login your account first!")
+    return this.cookie
+  }
+
+  public setCookie(cookie: string) {
+    this.cookie.push(cookie)
+  }
+
+  public deleteCookie(index: number) {
+    this.cookie.splice(index - 1, 1)
+  }
+
+  public clearCookie() {
+    this.cookie = []
+  }
+
+  public TiktokDL = (url: string, options: { version: "v1" | "v2" | "v3" }) =>
+    new Promise(async (resolve, reject) => {
+      switch (options.version) {
+        case "v1": {
+          await TiktokAPI(url).then(resolve).catch(reject)
+        }
+        case "v2": {
+          await SSSTik(url).then(resolve).catch(reject)
+        }
+        case "v3": {
+          await MusicalDown(url).then(resolve).catch(reject)
+        }
+        default: {
+          await TiktokAPI(url).then(resolve).catch(reject)
+        }
+      }
+    })
+
+  public TiktokStalk = (username: string) =>
+    new Promise(async (resolve, reject) => {
+      const cookie = this.getCookie()
+      await TiktokStalk(username, { cookie: cookie }).then(resolve).catch(reject)
+    })
+}
diff --git a/src/index.ts b/src/index.ts
index 3eeaeaa..475e30b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1 +1,4 @@
-export * from "./utils"
+export * from "./utils/dl_tiktokapi"
+export * from "./utils/dl_ssstik"
+export * from "./utils/dl_musicaldown"
+export * from "./utils/tiktok_stalker"
diff --git a/src/types/ssstik.ts b/src/types/ssstik.ts
index b3e8fb3..b3bc25d 100644
--- a/src/types/ssstik.ts
+++ b/src/types/ssstik.ts
@@ -4,7 +4,7 @@ export interface SSSTikFetchTT {
   result?: string
 }
 
-export interface SSSTikResult {
+export interface SSSTikResponse {
   status: "success" | "error"
   message?: string
   result?: {
diff --git a/src/types/tiktokapi.ts b/src/types/tiktokApi.ts
similarity index 96%
rename from src/types/tiktokapi.ts
rename to src/types/tiktokApi.ts
index f07846d..58c8420 100644
--- a/src/types/tiktokapi.ts
+++ b/src/types/tiktokApi.ts
@@ -1,4 +1,4 @@
-export interface DLResult {
+export interface TiktokAPIResponse {
   status: "success" | "error"
   message?: string
   result?: {
diff --git a/src/utils/musicaldown.ts b/src/utils/downloader_musicaldown.ts
similarity index 100%
rename from src/utils/musicaldown.ts
rename to src/utils/downloader_musicaldown.ts
diff --git a/src/utils/ssstik.ts b/src/utils/downloader_ssstik.ts
similarity index 95%
rename from src/utils/ssstik.ts
rename to src/utils/downloader_ssstik.ts
index 2845324..9375dee 100644
--- a/src/utils/ssstik.ts
+++ b/src/utils/downloader_ssstik.ts
@@ -1,6 +1,6 @@
 import Axios from "axios"
 import { load } from "cheerio"
-import { Author, Statistics, SSSTikFetchTT, SSSTikResult } from "../types/ssstik"
+import { Author, Statistics, SSSTikFetchTT, SSSTikResponse } from "../types/ssstik"
 import { _ssstikapi, _ssstikurl } from "../api"
 
 /**
@@ -29,7 +29,7 @@ const fetchTT = () =>
   })
 
 export const SSSTik = (url: string) =>
-  new Promise<SSSTikResult>(async (resolve, reject) => {
+  new Promise<SSSTikResponse>(async (resolve, reject) => {
     const tt: SSSTikFetchTT = await fetchTT()
     if (tt.status !== "success") return resolve({ status: "error", message: tt.message })
     Axios(_ssstikapi, {
diff --git a/src/utils/tiktokapi.ts b/src/utils/downloader_tiktokApi.ts
similarity index 96%
rename from src/utils/tiktokapi.ts
rename to src/utils/downloader_tiktokApi.ts
index 04a0fcd..590bfa8 100644
--- a/src/utils/tiktokapi.ts
+++ b/src/utils/downloader_tiktokApi.ts
@@ -1,9 +1,9 @@
 import axios from "axios"
 import { _tiktokapi, _tiktokurl } from "../api"
-import { Author, DLResult, Statistics, Music } from "../types/tiktokapi"
+import { Author, TiktokAPIResponse, Statistics, Music } from "../types/tiktokApi"
 
-export const TiktokAPI = (url: string): Promise<DLResult> =>
-  new Promise((resolve, reject) => {
+export const TiktokAPI = (url: string) =>
+  new Promise<TiktokAPIResponse>((resolve, reject) => {
     url = url.replace("https://vm", "https://vt")
     axios
       .head(url)
diff --git a/src/utils/index.ts b/src/utils/index.ts
deleted file mode 100644
index c1740ab..0000000
--- a/src/utils/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from "./switch"
-export * from "./stalker"
diff --git a/src/utils/switch.ts b/src/utils/switch.ts
index 9112336..6951407 100644
--- a/src/utils/switch.ts
+++ b/src/utils/switch.ts
@@ -1,9 +1,12 @@
-import { MusicalDown } from "./musicaldown"
-import { SSSTik } from "./ssstik"
-import { TiktokAPI } from "./tiktokapi"
+import { MusicalDownResponse } from "../types/musicaldown"
+import { SSSTikResponse } from "../types/ssstik"
+import { TiktokAPIResponse } from "../types/tiktokApi"
+import { MusicalDown } from "./downloader_musicaldown"
+import { SSSTik } from "./downloader_ssstik"
+import { TiktokAPI } from "./downloader_tiktokApi"
 
 export const TiktokDL = (url: string, options: { version: "v1" | "v2" | "v3" }) =>
-  new Promise(async (resolve, reject) => {
+  new Promise<TiktokAPIResponse | SSSTikResponse | MusicalDownResponse>(async (resolve, reject) => {
     switch (options.version) {
       case "v1": {
         await TiktokAPI(url).then(resolve).catch(reject)
diff --git a/src/utils/stalker.ts b/src/utils/tiktok_stalker.ts
similarity index 98%
rename from src/utils/stalker.ts
rename to src/utils/tiktok_stalker.ts
index fdbd955..81a294d 100644
--- a/src/utils/stalker.ts
+++ b/src/utils/tiktok_stalker.ts
@@ -19,7 +19,7 @@ export const TiktokStalk = (username: string, options: { cookie: string }): Prom
     axios
       .get(`${_tiktokurl}/@${username}`, {
         headers: {
-          "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36",
+          "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36",
           cookie: (options?.cookie ? options.cookie : await getCookie()) as string
         }
       })