diff --git a/README.md b/README.md
index 67fb4df0..740f9913 100644
--- a/README.md
+++ b/README.md
@@ -40,8 +40,9 @@
 
 - Simply click `Sign in to LeetCode` in the `LeetCode Explorer` will let you **sign in** with your LeetCode account.
 
-- You can also use the following command to sign in/out:
+- You can also use the following command to sign in/sign in (by cookie)/out:
   - **LeetCode: Sign in**
+  - **LeetCode: Sign in (by cookie)**
   - **LeetCode: Sign out**
 
 ---
diff --git a/docs/README_zh-CN.md b/docs/README_zh-CN.md
index 4c9348a1..f7570685 100644
--- a/docs/README_zh-CN.md
+++ b/docs/README_zh-CN.md
@@ -40,8 +40,9 @@
 
 - 点击 `LeetCode Explorer` 中的 `Sign in to LeetCode` 即可登入。
 
-- 你也可以使用下来命令登入或登出:
+- 你也可以使用下来命令登入或利用cookie登入或登出:
   - **LeetCode: Sign in**
+  - **LeetCode: Sign in (by cookie)**
   - **LeetCode: Sign out**
 
 ---
diff --git a/package.json b/package.json
index 91bc6e59..149059de 100644
--- a/package.json
+++ b/package.json
@@ -38,11 +38,17 @@
         "onCommand:leetcode.testSolution",
         "onCommand:leetcode.submitSolution",
         "onCommand:leetcode.switchDefaultLanguage",
+        "onCommand:leetcode.signinByCookie",
         "onView:leetCodeExplorer"
     ],
     "main": "./out/src/extension",
     "contributes": {
         "commands": [
+            {
+                "command": "leetcode.signinByCookie",
+                "title": "Sign In by Cookie",
+                "category": "LeetCode"
+            },
             {
                 "command": "leetcode.deleteCache",
                 "title": "Delete Cache",
@@ -683,6 +689,6 @@
         "markdown-it": "^8.4.2",
         "require-from-string": "^2.0.2",
         "unescape-js": "^1.1.1",
-        "vsc-leetcode-cli": "2.6.16"
+        "vsc-leetcode-cli": "2.6.17"
     }
 }
diff --git a/src/extension.ts b/src/extension.ts
index 9bb3ad41..45de4a70 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -51,6 +51,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<void>
             vscode.commands.registerCommand("leetcode.deleteCache", () => cache.deleteCache()),
             vscode.commands.registerCommand("leetcode.toggleLeetCodeCn", () => plugin.switchEndpoint()),
             vscode.commands.registerCommand("leetcode.signin", () => leetCodeManager.signIn()),
+            vscode.commands.registerCommand("leetcode.signinByCookie", () => leetCodeManager.signIn(true)),
             vscode.commands.registerCommand("leetcode.signout", () => leetCodeManager.signOut()),
             vscode.commands.registerCommand("leetcode.manageSessions", () => session.manageSessions()),
             vscode.commands.registerCommand("leetcode.previewProblem", (node: LeetCodeNode) => show.previewProblem(node)),
diff --git a/src/leetCodeManager.ts b/src/leetCodeManager.ts
index 96e3c0b0..0b70080e 100644
--- a/src/leetCodeManager.ts
+++ b/src/leetCodeManager.ts
@@ -34,7 +34,11 @@ class LeetCodeManager extends EventEmitter {
         }
     }
 
-    public async signIn(): Promise<void> {
+    public async signIn(isByCookie: boolean = false): Promise<void> {
+        const loginArg: string = "-l";
+        const cookieArg: string = "-c";
+        const commandArg: string = isByCookie ? cookieArg : loginArg;
+        const inMessage: string = isByCookie ? "sign in by cookie" : "sign in";
         try {
             const userName: string | undefined = await new Promise(async (resolve: (res: string | undefined) => void, reject: (e: Error) => void): Promise<void> => {
                 let result: string = "";
@@ -42,8 +46,8 @@ class LeetCodeManager extends EventEmitter {
                 const leetCodeBinaryPath: string = await leetCodeExecutor.getLeetCodeBinaryPath();
 
                 const childProc: cp.ChildProcess = wsl.useWsl()
-                    ? cp.spawn("wsl", [leetCodeExecutor.node, leetCodeBinaryPath, "user", "-l"], { shell: true })
-                    : cp.spawn(leetCodeExecutor.node, [leetCodeBinaryPath, "user", "-l"], {
+                    ? cp.spawn("wsl", [leetCodeExecutor.node, leetCodeBinaryPath, "user", commandArg], { shell: true })
+                    : cp.spawn(leetCodeExecutor.node, [leetCodeBinaryPath, "user", commandArg], {
                         shell: true,
                         env: createEnvOption(),
                     });
@@ -67,9 +71,9 @@ class LeetCodeManager extends EventEmitter {
                 }
                 childProc.stdin.write(`${name}\n`);
                 const pwd: string | undefined = await vscode.window.showInputBox({
-                    prompt: "Enter password.",
+                    prompt: isByCookie ? "Enter cookie" : "Enter password.",
                     password: true,
-                    validateInput: (s: string): string | undefined => s ? undefined : "Password must not be empty",
+                    validateInput: (s: string): string | undefined => s ? undefined : isByCookie ? "Cookie must not be empty" : "Password must not be empty",
                 });
                 if (!pwd) {
                     childProc.kill();
@@ -78,22 +82,22 @@ class LeetCodeManager extends EventEmitter {
                 childProc.stdin.write(`${pwd}\n`);
                 childProc.stdin.end();
                 childProc.on("close", () => {
-                    const match: RegExpMatchArray | null = result.match(/(?:.*) Successfully login as (.*)/i);
-                    if (match && match[1]) {
-                        resolve(match[1]);
+                    const match: RegExpMatchArray | null = result.match(/(?:.*) Successfully (login|cookie login) as (.*)/i);
+                    if (match && match[2]) {
+                        resolve(match[2]);
                     } else {
-                        reject(new Error("Failed to sign in."));
+                        reject(new Error(`Failed to ${inMessage}.`));
                     }
                 });
             });
             if (userName) {
-                vscode.window.showInformationMessage("Successfully signed in.");
+                vscode.window.showInformationMessage(`Successfully ${inMessage}.`);
                 this.currentUser = userName;
                 this.userStatus = UserStatus.SignedIn;
                 this.emit("statusChanged");
             }
         } catch (error) {
-            promptForOpenOutputChannel("Failed to sign in. Please open the output channel for details", DialogType.error);
+            promptForOpenOutputChannel(`Failed to ${inMessage}. Please open the output channel for details`, DialogType.error);
         }
 
     }