diff --git a/src/commands/session.ts b/src/commands/session.ts
index ae435af..2b26f26 100644
--- a/src/commands/session.ts
+++ b/src/commands/session.ts
@@ -1,11 +1,12 @@
 // Copyright (c) jdneo. All rights reserved.
 // Licensed under the MIT license.
 
-import * as vscode from "vscode";
+// import * as vscode from "vscode";
 import { leetCodeExecutor } from "../leetCodeExecutor";
 import { leetCodeManager } from "../leetCodeManager";
-import { IQuickItemEx } from "../shared";
-import { DialogOptions, DialogType, promptForOpenOutputChannel, promptForSignIn } from "../utils/uiUtils";
+// import { IQuickItemEx } from "../shared";
+// import { DialogOptions, DialogType, promptForOpenOutputChannel, promptForSignIn } from "../utils/uiUtils";
+import { promptForSignIn } from "../utils/uiUtils";
 
 export async function getSessionList(): Promise<ISession[]> {
     const signInStatus: string | undefined = leetCodeManager.getUser();
@@ -54,97 +55,97 @@ export async function manageSessions(): Promise<void> {
     // }
 }
 
-async function parseSessionsToPicks(includeOperations: boolean = false): Promise<Array<IQuickItemEx<ISession | string>>> {
-    return new Promise(async (resolve: (res: Array<IQuickItemEx<ISession | string>>) => void): Promise<void> => {
-        try {
-            const sessions: ISession[] = await getSessionList();
-            const picks: Array<IQuickItemEx<ISession | string>> = sessions.map((s: ISession) => Object.assign({}, {
-                label: `${s.active ? "$(check) " : ""}${s.name}`,
-                description: s.active ? "Active" : "",
-                detail: `AC Questions: ${s.acQuestions}, AC Submits: ${s.acSubmits}`,
-                value: s,
-            }));
+// async function parseSessionsToPicks(includeOperations: boolean = false): Promise<Array<IQuickItemEx<ISession | string>>> {
+//     return new Promise(async (resolve: (res: Array<IQuickItemEx<ISession | string>>) => void): Promise<void> => {
+//         try {
+//             const sessions: ISession[] = await getSessionList();
+//             const picks: Array<IQuickItemEx<ISession | string>> = sessions.map((s: ISession) => Object.assign({}, {
+//                 label: `${s.active ? "$(check) " : ""}${s.name}`,
+//                 description: s.active ? "Active" : "",
+//                 detail: `AC Questions: ${s.acQuestions}, AC Submits: ${s.acSubmits}`,
+//                 value: s,
+//             }));
 
-            if (includeOperations) {
-                picks.push(...parseSessionManagementOperations());
-            }
-            resolve(picks);
-        } catch (error) {
-            return await promptForOpenOutputChannel("Failed to list sessions. Please open the output channel for details.", DialogType.error);
-        }
-    });
-}
+//             if (includeOperations) {
+//                 picks.push(...parseSessionManagementOperations());
+//             }
+//             resolve(picks);
+//         } catch (error) {
+//             return await promptForOpenOutputChannel("Failed to list sessions. Please open the output channel for details.", DialogType.error);
+//         }
+//     });
+// }
 
-function parseSessionManagementOperations(): Array<IQuickItemEx<string>> {
-    return [{
-        label: "$(plus) Create a session",
-        description: "",
-        detail: "Click this item to create a session",
-        value: ":createSession",
-    }, {
-        label: "$(trashcan) Delete a session",
-        description: "",
-        detail: "Click this item to DELETE a session",
-        value: ":deleteSession",
-    }];
-}
+// function parseSessionManagementOperations(): Array<IQuickItemEx<string>> {
+//     return [{
+//         label: "$(plus) Create a session",
+//         description: "",
+//         detail: "Click this item to create a session",
+//         value: ":createSession",
+//     }, {
+//         label: "$(trashcan) Delete a session",
+//         description: "",
+//         detail: "Click this item to DELETE a session",
+//         value: ":deleteSession",
+//     }];
+// }
 
-async function createSession(): Promise<void> {
-    const session: string | undefined = await vscode.window.showInputBox({
-        prompt: "Enter the new session name.",
-        validateInput: (s: string): string | undefined => s && s.trim() ? undefined : "Session name must not be empty",
-    });
-    if (!session) {
-        return;
-    }
-    try {
-        await leetCodeExecutor.createSession(session);
-        vscode.window.showInformationMessage("New session created, you can switch to it by clicking the status bar.");
-    } catch (error) {
-        await promptForOpenOutputChannel("Failed to create session. Please open the output channel for details.", DialogType.error);
-    }
-}
+// async function createSession(): Promise<void> {
+//     const session: string | undefined = await vscode.window.showInputBox({
+//         prompt: "Enter the new session name.",
+//         validateInput: (s: string): string | undefined => s && s.trim() ? undefined : "Session name must not be empty",
+//     });
+//     if (!session) {
+//         return;
+//     }
+//     try {
+//         await leetCodeExecutor.createSession(session);
+//         vscode.window.showInformationMessage("New session created, you can switch to it by clicking the status bar.");
+//     } catch (error) {
+//         await promptForOpenOutputChannel("Failed to create session. Please open the output channel for details.", DialogType.error);
+//     }
+// }
 
-async function deleteSession(): Promise<void> {
-    const choice: IQuickItemEx<ISession | string> | undefined = await vscode.window.showQuickPick(
-        parseSessionsToPicks(false /* includeOperation */),
-        { placeHolder: "Please select the session you want to delete" },
-    );
-    if (!choice) {
-        return;
-    }
+// async function deleteSession(): Promise<void> {
+//     const choice: IQuickItemEx<ISession | string> | undefined = await vscode.window.showQuickPick(
+//         parseSessionsToPicks(false /* includeOperation */),
+//         { placeHolder: "Please select the session you want to delete" },
+//     );
+//     if (!choice) {
+//         return;
+//     }
 
-    const selectedSession: ISession = choice.value as ISession;
-    if (selectedSession.active) {
-        vscode.window.showInformationMessage("Cannot delete an active session.");
-        return;
-    }
+//     const selectedSession: ISession = choice.value as ISession;
+//     if (selectedSession.active) {
+//         vscode.window.showInformationMessage("Cannot delete an active session.");
+//         return;
+//     }
 
-    const action: vscode.MessageItem | undefined = await vscode.window.showWarningMessage(
-        `This operation cannot be reverted. Are you sure to delete the session: ${selectedSession.name}?`,
-        DialogOptions.yes,
-        DialogOptions.no,
-    );
-    if (action !== DialogOptions.yes) {
-        return;
-    }
+//     const action: vscode.MessageItem | undefined = await vscode.window.showWarningMessage(
+//         `This operation cannot be reverted. Are you sure to delete the session: ${selectedSession.name}?`,
+//         DialogOptions.yes,
+//         DialogOptions.no,
+//     );
+//     if (action !== DialogOptions.yes) {
+//         return;
+//     }
 
-    const confirm: string | undefined = await vscode.window.showInputBox({
-        prompt: "Enter 'yes' to confirm deleting the session",
-        validateInput: (value: string): string => {
-            if (value === "yes") {
-                return "";
-            } else {
-                return "Enter 'yes' to confirm";
-            }
-        },
-    });
+//     const confirm: string | undefined = await vscode.window.showInputBox({
+//         prompt: "Enter 'yes' to confirm deleting the session",
+//         validateInput: (value: string): string => {
+//             if (value === "yes") {
+//                 return "";
+//             } else {
+//                 return "Enter 'yes' to confirm";
+//             }
+//         },
+//     });
 
-    if (confirm === "yes") {
-        await leetCodeExecutor.deleteSession(selectedSession.id);
-        vscode.window.showInformationMessage("The session has been successfully deleted.");
-    }
-}
+//     if (confirm === "yes") {
+//         await leetCodeExecutor.deleteSession(selectedSession.id);
+//         vscode.window.showInformationMessage("The session has been successfully deleted.");
+//     }
+// }
 
 export interface ISession {
     active: boolean;