diff --git a/.eslintrc.js b/.eslintrc.js
index a4adabe..e3cb70f 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,8 +1,9 @@
 module.exports = {
-  extends: [require.resolve('@umijs/fabric/dist/eslint')],
+  extends: [require.resolve("@umijs/fabric/dist/eslint")],
   plugins: ["simple-import-sort"],
   rules: {
     "simple-import-sort/imports": "error",
     "simple-import-sort/exports": "error",
+    "@typescript-eslint/no-parameter-properties": 0,
   },
 };
diff --git a/.prettierignore b/.prettierignore
index 53c8968..d41281f 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -3,3 +3,4 @@ lib/
 docs-dist/
 node_modules/
 src/.umi/
+src/main.ts
diff --git a/dist/index.js b/dist/index.js
index d3c63df..0f2bb00 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -14602,8 +14602,8 @@ Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.doWelcome = exports.doMarkDuplicate = exports.doMarkAssignees = exports.doLockIssues = exports.doFindIssues = exports.doFindComments = exports.doCloseIssues = exports.doCheckIssue = exports.doCheckInactive = exports.doQueryIssues = exports.initAdvancedICE = void 0;
 const actions_util_1 = __nccwpck_require__(6972);
 const dayjs_1 = __importDefault(__nccwpck_require__(7401));
-const utc_1 = __importDefault(__nccwpck_require__(4359));
 const isSameOrBefore_1 = __importDefault(__nccwpck_require__(9517));
+const utc_1 = __importDefault(__nccwpck_require__(4359));
 const core = __importStar(__nccwpck_require__(9875));
 const util_1 = __nccwpck_require__(9604);
 const base_1 = __nccwpck_require__(8824);
@@ -14620,12 +14620,17 @@ function doQueryIssues(state, creator, ignoreLabels) {
         const issueCreator = core.getInput('issue-creator');
         const issueAssignee = core.getInput('issue-assignee');
         const issueMentioned = core.getInput('issue-mentioned');
-        issueCreator ? (params.creator = issueCreator) : null;
-        issueAssignee ? (params.assignee = issueAssignee) : null;
-        issueMentioned ? (params.mentioned = issueMentioned) : null;
+        if (issueCreator)
+            params.creator = issueCreator;
+        if (issueAssignee)
+            params.assignee = issueAssignee;
+        if (issueMentioned)
+            params.mentioned = issueMentioned;
         const labels = core.getInput('labels');
-        labels && !ignoreLabels ? params.labels = labels : null;
-        creator ? params.creator = creator : null;
+        if (labels && !ignoreLabels)
+            params.labels = labels;
+        if (creator)
+            params.creator = creator;
         const issuesList = yield ICE.listIssues(params);
         const issues = [];
         const issueNumbers = [];
@@ -14720,7 +14725,8 @@ function doCheckIssue() {
                     checkAssignee = true;
                 }
             });
-            !checkAssignee ? (checkResult = false) : null;
+            if (!checkAssignee)
+                checkResult = false;
         }
         const titleRemove = core.getInput('title-excludes');
         if (!!checkResult && titleRemove) {
@@ -15229,8 +15235,8 @@ const actions_util_1 = __nccwpck_require__(6972);
 const core = __importStar(__nccwpck_require__(9875));
 const issue_1 = __nccwpck_require__(4680);
 const util_1 = __nccwpck_require__(9604);
-const base_1 = __nccwpck_require__(8824);
 const advanced_1 = __nccwpck_require__(5745);
+const base_1 = __nccwpck_require__(8824);
 class IssueHelperEngine {
     constructor(ctx) {
         this.ctx = ctx;
@@ -15439,7 +15445,8 @@ class IssueHelperEngine {
     }
     checkEvent4Mark() {
         const { ctx } = this;
-        return ctx.eventName !== 'issue_comment' && (ctx.payload.action === 'created' || ctx.payload.action === 'edited');
+        return (ctx.eventName !== 'issue_comment' &&
+            (ctx.payload.action === 'created' || ctx.payload.action === 'edited'));
     }
 }
 exports.IssueHelperEngine = IssueHelperEngine;
@@ -15528,7 +15535,7 @@ class IssueCoreEngine {
             this.octokit = new rest_1.Octokit({ auth: `token ${_info.token}` });
         }
         else {
-            console && console.error && console.error(`Init failed, need owner、repo!`);
+            console.error(`Init failed, need owner、repo!`);
         }
     }
     // Allow modify issue number in this way
@@ -15798,7 +15805,7 @@ class IssueCoreEngine {
         return __awaiter(this, void 0, void 0, function* () {
             const { owner, repo, octokit, issueNumber } = this;
             const issue = yield this.getIssue();
-            const { body: baseBody, title: baseTitle, labels: baseLabels, assignees: baseAssigness, state: baseState } = issue;
+            const { body: baseBody, title: baseTitle, labels: baseLabels, assignees: baseAssigness, state: baseState, } = issue;
             const baseLabelsName = baseLabels.map(({ name }) => name);
             const baseAssignessName = baseAssigness === null || baseAssigness === void 0 ? void 0 : baseAssigness.map(({ login }) => login);
             const newBody = body ? (mode === 'append' ? `${baseBody}\n${body}` : body) : baseBody;
@@ -15864,8 +15871,8 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-const actions_util_1 = __nccwpck_require__(6972);
 const github = __importStar(__nccwpck_require__(5438));
+const actions_util_1 = __nccwpck_require__(6972);
 const core = __importStar(__nccwpck_require__(9875));
 const helper_1 = __nccwpck_require__(8406);
 function main() {
@@ -15953,7 +15960,11 @@ const getPreMonth = (m) => {
 exports.getPreMonth = getPreMonth;
 // replace some & split & cull empty
 const replaceStr2Arr = (str, replace, split) => {
-    return str.replace(replace, '').trim().split(split).reduce((result, it) => it ? [...result, it.trim()] : result, []);
+    return str
+        .replace(replace, '')
+        .trim()
+        .split(split)
+        .reduce((result, it) => (it ? [...result, it.trim()] : result), []);
 };
 exports.replaceStr2Arr = replaceStr2Arr;
 
diff --git a/package.json b/package.json
index c528d36..e398f5b 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,6 @@
 {
   "private": true,
   "description": "A GitHub Action easily helps you automatically manage issues.",
-  "keywords": [
-    "actions",
-    "issue",
-    "helper",
-    "github"
-  ],
   "repository": {
     "type": "git",
     "url": "https://github.com/actions-cool/issues-helper.git",
@@ -14,7 +8,6 @@
   },
   "license": "MIT",
   "author": "xrkffgg",
-  "main": "src/main.ts",
   "scripts": {
     "dev": "APP_ROOT=web dumi dev",
     "start": "APP_ROOT=web dumi dev",
@@ -22,10 +15,10 @@
     "docs-dev:build": "APP_ROOT=web UMI_ENV=dev dumi build",
     "docs:deploy": "gh-pages -d docs-dist",
     "deploy": "npm run docs:build && npm run docs:deploy",
-    "format": "prettier --write **/*.ts",
-    "format-check": "prettier --check **/*.ts",
-    "lint": "eslint src/*.ts",
-    "lint-fix": "eslint src/*.ts --fix",
+    "format": "prettier --write **/*.ts **/*/*.ts",
+    "format-check": "prettier --check **/*.ts **/*/*.ts",
+    "lint": "eslint src/*.ts src/*/*.ts",
+    "lint-fix": "eslint src/*.ts src/*/*.ts --fix",
     "check-commit": "node ./scripts/check-commit.js",
     "tag": "node ./scripts/tag.js",
     "release": "node ./scripts/release",
diff --git a/src/core/index.ts b/src/core/index.ts
index 5b5b07a..86d3957 100644
--- a/src/core/index.ts
+++ b/src/core/index.ts
@@ -2,23 +2,23 @@ import * as core from '@actions/core';
 
 export const baseInfo = (mess: string) => {
   core.info(mess);
-}
+};
 
 export const info = (mess: string) => {
   core.info(`[📝 AC] ${mess}`);
-}
+};
 
 export const error = (mess: string) => {
   core.error(`[💥 AC] ${mess}`);
-}
+};
 
 export const notice = (mess: string) => {
   core.notice(`[🏷 AC] ${mess}`);
-}
+};
 
 export const warning = (mess: string) => {
   core.warning(`[🎃 AC] ${mess}`);
-}
+};
 
 export const getInput = core.getInput;
 
@@ -26,4 +26,4 @@ export const setOutput = core.setOutput;
 
 export const setFailed = (mess: string) => {
   core.setFailed(`[🚨 AC] ${mess}`);
-}
+};
diff --git a/src/helper/advanced.ts b/src/helper/advanced.ts
index 017e92e..c6b0bec 100644
--- a/src/helper/advanced.ts
+++ b/src/helper/advanced.ts
@@ -1,20 +1,22 @@
-import { dealStringToArr, checkPermission, TPermissionType } from 'actions-util';
+import type { TPermissionType } from 'actions-util';
+import { checkPermission, dealStringToArr } from 'actions-util';
 import dayjs from 'dayjs';
-import utc from 'dayjs/plugin/utc';
 import isSameOrBefore from 'dayjs/plugin/isSameOrBefore';
+import utc from 'dayjs/plugin/utc';
+
 import * as core from '../core';
-import { matchKeyword, checkDuplicate, replaceStr2Arr } from '../util';
-import { TIssueState, TOutList, TEmoji } from '../types';
-import { IIssueCoreEngine, IListIssuesParams, TIssueList, TCommentInfo } from '../issue';
+import type { IIssueCoreEngine, IListIssuesParams, TCommentInfo, TIssueList } from '../issue';
+import type { TEmoji, TIssueState, TOutList } from '../types';
+import { checkDuplicate, matchKeyword, replaceStr2Arr } from '../util';
 import {
   doAddAssignees,
   doAddLabels,
+  doCloseIssue,
   doCreateComment,
   doCreateCommentEmoji,
-  doCloseIssue,
   doLockIssue,
-  doUpdateComment,
   doSetLabels,
+  doUpdateComment,
 } from './base';
 
 let ICE: IIssueCoreEngine;
@@ -22,7 +24,11 @@ export function initAdvancedICE(_ICE: IIssueCoreEngine) {
   ICE = _ICE;
 }
 
-export async function doQueryIssues(state: TIssueState | 'all', creator?: string, ignoreLabels?: boolean): Promise<TIssueList> {
+export async function doQueryIssues(
+  state: TIssueState | 'all',
+  creator?: string,
+  ignoreLabels?: boolean,
+): Promise<TIssueList> {
   const params = {
     state,
   } as IListIssuesParams;
@@ -30,14 +36,16 @@ export async function doQueryIssues(state: TIssueState | 'all', creator?: string
   const issueCreator = core.getInput('issue-creator');
   const issueAssignee = core.getInput('issue-assignee');
   const issueMentioned = core.getInput('issue-mentioned');
-  issueCreator ? (params.creator = issueCreator) : null;
-  issueAssignee ? (params.assignee = issueAssignee) : null;
-  issueMentioned ? (params.mentioned = issueMentioned) : null;
+
+  if (issueCreator) params.creator = issueCreator;
+  if (issueAssignee) params.assignee = issueAssignee;
+  if (issueMentioned) params.mentioned = issueMentioned;
 
   const labels = core.getInput('labels');
-  labels && !ignoreLabels ? params.labels = labels : null;
 
-  creator ? params.creator = creator : null;
+  if (labels && !ignoreLabels) params.labels = labels;
+
+  if (creator) params.creator = creator;
 
   const issuesList = await ICE.listIssues(params);
   const issues: TIssueList = [];
@@ -131,7 +139,7 @@ export async function doCheckIssue() {
         checkAssignee = true;
       }
     });
-    !checkAssignee ? (checkResult = false) : null;
+    if (!checkAssignee) checkResult = false;
   }
 
   const titleRemove = core.getInput('title-excludes');
@@ -234,8 +242,8 @@ export async function doFindIssues() {
         state: issue.state,
         created: issue.created_at,
         updated: issue.updated_at,
-      }
-    })
+      };
+    });
     if (direction === 'desc') {
       issues.reverse();
     }
@@ -282,7 +290,11 @@ export async function doMarkAssignees(comment: TCommentInfo) {
   }
 }
 
-export async function doMarkDuplicate(comment: TCommentInfo, labels?: string[] | void, emoji?: string) {
+export async function doMarkDuplicate(
+  comment: TCommentInfo,
+  labels?: string[] | void,
+  emoji?: string,
+) {
   const duplicateCommand = core.getInput('duplicate-command');
   const duplicateLabels = core.getInput('duplicate-labels');
   const removeLables = core.getInput('remove-labels') || '';
@@ -342,7 +354,14 @@ export async function doMarkDuplicate(comment: TCommentInfo, labels?: string[] |
   }
 }
 
-export async function doWelcome(auth: string, issueNumber: number, body: string, labels?: string[] | void, assignees?: string[] | void, emoji?: string) {
+export async function doWelcome(
+  auth: string,
+  issueNumber: number,
+  body: string,
+  labels?: string[] | void,
+  assignees?: string[] | void,
+  emoji?: string,
+) {
   core.info(`[doWelcome] [${auth}]`);
   const issues = await doQueryIssues('all', auth, true);
   if (issues.length == 0 || (issues.length == 1 && issues[0].number == issueNumber)) {
diff --git a/src/helper/base.ts b/src/helper/base.ts
index aa2d5db..1b20986 100644
--- a/src/helper/base.ts
+++ b/src/helper/base.ts
@@ -1,8 +1,9 @@
 import { dealStringToArr } from 'actions-util';
+
 import * as core from '../core';
-import { TIssueState, TUpdateMode, TEmoji, TLockReasons } from '../types';
+import type { IIssueCoreEngine } from '../issue';
 import { ELockReasons } from '../shared';
-import { IIssueCoreEngine } from '../issue';
+import type { TEmoji, TIssueState, TLockReasons, TUpdateMode } from '../types';
 
 let ICE: IIssueCoreEngine;
 export function initBaseICE(_ICE: IIssueCoreEngine) {
@@ -50,7 +51,13 @@ export async function doCreateCommentEmoji(_commentId: number | void, emoji: str
   }
 }
 
-export async function doCreateIssue(title: string, body: string, labels: string[] | void, assignees: string[] | void, emoji: string | void) {
+export async function doCreateIssue(
+  title: string,
+  body: string,
+  labels?: string[],
+  assignees?: string[],
+  emoji?: string | void,
+) {
   if (title) {
     const issueNumber = await ICE.createIssue(title, body, labels, assignees);
     core.info(`[doCreateIssue] [${title}] success!`);
@@ -124,7 +131,12 @@ export async function doUnlockIssue() {
   core.info(`[doUnlockIssue] success!`);
 }
 
-export async function doUpdateComment(_commentId: number | void, body: string, updateMode: TUpdateMode, emoji: string | void) {
+export async function doUpdateComment(
+  _commentId: number | void,
+  body: string,
+  updateMode: TUpdateMode,
+  emoji: string | void,
+) {
   const commentId = _commentId || core.getInput('comment-id');
   if (commentId) {
     await ICE.updateComment(+commentId, body, updateMode);
@@ -137,7 +149,15 @@ export async function doUpdateComment(_commentId: number | void, body: string, u
   }
 }
 
-export async function doUpdateIssue(issueNumber: number, state: TIssueState, title: string | void, body: string | void, updateMode: TUpdateMode, labels?: string[] | void, assignees?: string[] | void) {
+export async function doUpdateIssue(
+  issueNumber: number,
+  state: TIssueState,
+  title: string | void,
+  body: string | void,
+  updateMode: TUpdateMode,
+  labels?: string[] | void,
+  assignees?: string[] | void,
+) {
   if (issueNumber) ICE.setIssueNumber(issueNumber);
   await ICE.updateIssue(state, title, body, updateMode, labels, assignees);
   core.info(`[doUpdateIssue] success!`);
diff --git a/src/helper/helper.ts b/src/helper/helper.ts
index 6cefe58..94cadfe 100644
--- a/src/helper/helper.ts
+++ b/src/helper/helper.ts
@@ -1,22 +1,28 @@
 // import * as github from '@actions/github';
 import { dealStringToArr } from 'actions-util';
-import * as core from '../core';
-import { Context, TIssueState, TUpdateMode, TAction, TEmoji } from '../types';
-import {
-  IssueCoreEngine,
-  IIssueCoreEngine,
-  TCommentInfo,
-} from '../issue';
-import { dealRandomAssignees } from '../util';
-import { IIssueHelperEngine } from './types';
 
+import * as core from '../core';
+import type { IIssueCoreEngine, TCommentInfo } from '../issue';
+import { IssueCoreEngine } from '../issue';
+import type { Context, TAction, TIssueState, TUpdateMode } from '../types';
+import { dealRandomAssignees } from '../util';
+import {
+  doCheckInactive,
+  doCheckIssue,
+  doCloseIssues,
+  doFindComments,
+  doFindIssues,
+  doLockIssues,
+  doMarkAssignees,
+  doMarkDuplicate,
+  doWelcome,
+  initAdvancedICE,
+} from './advanced';
 import {
-  initBaseICE,
   doAddAssignees,
   doAddLabels,
   doCloseIssue,
   doCreateComment,
-  doCreateCommentEmoji,
   doCreateIssue,
   doCreateLabel,
   doDeleteComment,
@@ -28,20 +34,9 @@ import {
   doUnlockIssue,
   doUpdateComment,
   doUpdateIssue,
+  initBaseICE,
 } from './base';
-
-import {
-  initAdvancedICE,
-  doCheckInactive,
-  doCheckIssue,
-  doCloseIssues,
-  doFindComments,
-  doFindIssues,
-  doLockIssues,
-  doMarkAssignees,
-  doMarkDuplicate,
-  doWelcome,
-} from './advanced';
+import type { IIssueHelperEngine } from './types';
 
 export class IssueHelperEngine implements IIssueHelperEngine {
   private ICE!: IIssueCoreEngine;
@@ -51,8 +46,8 @@ export class IssueHelperEngine implements IIssueHelperEngine {
   private issueNumber!: number;
 
   private emoji?: string;
-  private labels?: string[] | void;
-  private assignees?: string[] | void;
+  private labels?: string[];
+  private assignees?: string[];
   private title: string = '';
   private body: string = '';
   private state: TIssueState = 'open';
@@ -249,7 +244,7 @@ export class IssueHelperEngine implements IIssueHelperEngine {
         break;
       }
       default: {
-        core.warning(`The ${action} is not allowed.`)
+        core.warning(`The ${action} is not allowed.`);
         break;
       }
     }
@@ -257,6 +252,9 @@ export class IssueHelperEngine implements IIssueHelperEngine {
 
   private checkEvent4Mark() {
     const { ctx } = this;
-    return ctx.eventName !== 'issue_comment' && (ctx.payload.action === 'created' || ctx.payload.action === 'edited');
+    return (
+      ctx.eventName !== 'issue_comment' &&
+      (ctx.payload.action === 'created' || ctx.payload.action === 'edited')
+    );
   }
 }
diff --git a/src/helper/types.ts b/src/helper/types.ts
index 2718250..0a01fdf 100644
--- a/src/helper/types.ts
+++ b/src/helper/types.ts
@@ -1,5 +1,5 @@
-import { TAction } from '../types';
+import type { TAction } from '../types';
 
 export interface IIssueHelperEngine {
-  doExeAction(action: TAction): Promise<void>;
+  doExeAction: (action: TAction) => Promise<void>;
 }
diff --git a/src/issue/issue.ts b/src/issue/issue.ts
index bc2e383..2d695b9 100644
--- a/src/issue/issue.ts
+++ b/src/issue/issue.ts
@@ -1,7 +1,15 @@
 import { Octokit } from '@octokit/rest';
+
 import { EEmoji } from '../shared';
-import { TEmoji, TLockReasons, TUpdateMode, TIssueState, TUserPermission } from '../types';
-import { IIssueBaseInfo, IIssueCoreEngine, IListIssuesParams, TIssueList, TIssueInfo, TCommentList } from './types';
+import type { TEmoji, TIssueState, TLockReasons, TUpdateMode, TUserPermission } from '../types';
+import type {
+  IIssueBaseInfo,
+  IIssueCoreEngine,
+  IListIssuesParams,
+  TCommentList,
+  TIssueInfo,
+  TIssueList,
+} from './types';
 
 export class IssueCoreEngine implements IIssueCoreEngine {
   private owner!: string;
@@ -16,7 +24,7 @@ export class IssueCoreEngine implements IIssueCoreEngine {
       this.issueNumber = _info.issueNumber;
       this.octokit = new Octokit({ auth: `token ${_info.token}` });
     } else {
-      console && console.error && console.error(`Init failed, need owner、repo!`);
+      console.error(`Init failed, need owner、repo!`);
     }
   }
 
@@ -80,7 +88,12 @@ export class IssueCoreEngine implements IIssueCoreEngine {
     }
   }
 
-  public async createIssue(title: string, body: string, labels?: string[], assignees?: string[]): Promise<number> {
+  public async createIssue(
+    title: string,
+    body: string,
+    labels?: string[],
+    assignees?: string[],
+  ): Promise<number> {
     const { owner, repo, octokit } = this;
     const { data } = await octokit.issues.create({
       owner,
@@ -107,7 +120,11 @@ export class IssueCoreEngine implements IIssueCoreEngine {
     }
   }
 
-  public async createLabel(labelName: string, labelColor: string, labelDescription: string | undefined) {
+  public async createLabel(
+    labelName: string,
+    labelColor: string,
+    labelDescription: string | undefined,
+  ) {
     const { owner, repo, octokit } = this;
     await octokit.issues.createLabel({
       owner,
@@ -185,7 +202,7 @@ export class IssueCoreEngine implements IIssueCoreEngine {
       owner,
       repo,
       issue_number: issueNumber,
-    }
+    };
     if (lockReason) {
       params.lock_reason = lockReason;
     }
@@ -275,10 +292,23 @@ export class IssueCoreEngine implements IIssueCoreEngine {
     });
   }
 
-  public async updateIssue(state: TIssueState, title: string | void, body: string | void, mode: TUpdateMode, labels?: string[] | void, assignees?: string[] | void) {
+  public async updateIssue(
+    state: TIssueState,
+    title: string | void,
+    body: string | void,
+    mode: TUpdateMode,
+    labels?: string[] | void,
+    assignees?: string[] | void,
+  ) {
     const { owner, repo, octokit, issueNumber } = this;
     const issue = await this.getIssue();
-    const { body: baseBody, title: baseTitle, labels: baseLabels, assignees: baseAssigness, state: baseState } = issue;
+    const {
+      body: baseBody,
+      title: baseTitle,
+      labels: baseLabels,
+      assignees: baseAssigness,
+      state: baseState,
+    } = issue;
 
     const baseLabelsName = baseLabels.map(({ name }: any) => name);
     const baseAssignessName = baseAssigness?.map(({ login }: any) => login);
diff --git a/src/issue/types.ts b/src/issue/types.ts
index 8154d46..8d21eb7 100644
--- a/src/issue/types.ts
+++ b/src/issue/types.ts
@@ -1,4 +1,4 @@
-import { TEmoji, TLockReasons, TIssueState, TUpdateMode, TUserPermission } from '../types';
+import type { TEmoji, TIssueState, TLockReasons, TUpdateMode, TUserPermission } from '../types';
 
 export interface IIssueBaseInfo {
   owner: string;
@@ -32,7 +32,7 @@ export type TIssueInfo = {
   created_at: string;
   updated_at: string;
   pull_request?: any;
-}
+};
 
 export type TIssueList = TIssueInfo[];
 
@@ -44,22 +44,22 @@ export type TCommentInfo = {
   };
   created_at: string;
   updated_at: string;
-}
+};
 
 export type TCommentList = TCommentInfo[];
 
 export interface IIssueCoreEngine {
-  setIssueNumber(newIssueNumber: number): void;
-  addAssignees(assignees: string[]): Promise<void>;
-  addLabels(labels: string[]): Promise<void>;
+  setIssueNumber: (newIssueNumber: number) => void;
+  addAssignees: (assignees: string[]) => Promise<void>;
+  addLabels: (labels: string[]) => Promise<void>;
 
-  closeIssue(): Promise<void>;
+  closeIssue: () => Promise<void>;
   /**
    * @param body The comment body.
    * @returns The create new comment id.
    */
-  createComment(body: string): Promise<number>;
-  createCommentEmoji(commentId: number, emoji: TEmoji[]): Promise<void>;
+  createComment: (body: string) => Promise<number>;
+  createCommentEmoji: (commentId: number, emoji: TEmoji[]) => Promise<void>;
   /**
    * @param title
    * @param body
@@ -67,28 +67,44 @@ export interface IIssueCoreEngine {
    * @param assignees
    * @returns The create new issue number.
    */
-  createIssue(title: string, body: string, labels: string[] | void, assignees: string[] | void): Promise<number>;
-  createIssueEmoji(emoji: TEmoji[]): Promise<void>;
-  createLabel(labelName: string, labelColor: string, labelDescription: string | undefined): Promise<void>;
+  createIssue: (
+    title: string,
+    body: string,
+    labels?: string[],
+    assignees?: string[],
+  ) => Promise<number>;
+  createIssueEmoji: (emoji: TEmoji[]) => Promise<void>;
+  createLabel: (
+    labelName: string,
+    labelColor: string,
+    labelDescription: string | undefined,
+  ) => Promise<void>;
 
-  deleteComment(commentId: number): Promise<void>;
+  deleteComment: (commentId: number) => Promise<void>;
 
-  getIssue(): Promise<TIssueInfo>;
-  getUserPermission(username: string): Promise<TUserPermission>;
+  getIssue: () => Promise<TIssueInfo>;
+  getUserPermission: (username: string) => Promise<TUserPermission>;
 
-  listComments(): Promise<TCommentList>;
-  listIssues(params: IListIssuesParams): Promise<TIssueList>;
-  lockIssue(lockReason: TLockReasons): Promise<void>;
+  listComments: () => Promise<TCommentList>;
+  listIssues: (params: IListIssuesParams) => Promise<TIssueList>;
+  lockIssue: (lockReason: TLockReasons) => Promise<void>;
 
-  openIssue(): Promise<void>;
+  openIssue: () => Promise<void>;
 
-  removeAssignees(assignees: string[]): Promise<void>;
-  removeLabels(labels: string[]): Promise<void>;
+  removeAssignees: (assignees: string[]) => Promise<void>;
+  removeLabels: (labels: string[]) => Promise<void>;
 
-  setLabels(labels: string[]): Promise<void>;
+  setLabels: (labels: string[]) => Promise<void>;
 
-  unlockIssue(): Promise<void>;
+  unlockIssue: () => Promise<void>;
 
-  updateComment(commentId: number, body: string, mode: TUpdateMode): Promise<void>;
-  updateIssue(state: TIssueState, title: string | void, body: string | void, mode: TUpdateMode, labels?: string[] | void, assignees?: string[] | void): Promise<void>;
+  updateComment: (commentId: number, body: string, mode: TUpdateMode) => Promise<void>;
+  updateIssue: (
+    state: TIssueState,
+    title: string | void,
+    body: string | void,
+    mode: TUpdateMode,
+    labels?: string[] | void,
+    assignees?: string[] | void,
+  ) => Promise<void>;
 }
diff --git a/src/main.ts b/src/main.ts
index 65309bf..f16960d 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,5 @@
-import { dealStringToArr, THANKS } from 'actions-util';
-
 import * as github from '@actions/github';
+import { dealStringToArr, THANKS } from 'actions-util';
 
 import * as core from './core';
 import { IssueHelperEngine } from './helper';
diff --git a/src/util/index.ts b/src/util/index.ts
index 99783a5..3b07b64 100644
--- a/src/util/index.ts
+++ b/src/util/index.ts
@@ -7,25 +7,29 @@ export const dealRandomAssignees = (assignees: string, randomTo: string | void):
     arr = sampleSize(arr, Number(randomTo));
   }
   return arr;
-}
+};
 
 export const matchKeyword = (content: string, keywords: string[]): boolean => {
   return !!keywords.find(item => content.toLowerCase().includes(item));
-}
+};
 
 export const checkDuplicate = (body: string | void): boolean => {
   if (!body || !body.startsWith('Duplicate of')) {
     return false;
   }
   const arr = body.split(' ');
-  return arr[0] == 'Duplicate' && arr[1] == 'of'
-}
+  return arr[0] == 'Duplicate' && arr[1] == 'of';
+};
 
 export const getPreMonth = (m: number): number => {
   return m == 1 ? 12 : m - 1;
-}
+};
 
 // replace some & split & cull empty
 export const replaceStr2Arr = (str: string, replace: string, split: string): string[] => {
-  return str.replace(replace, '').trim().split(split).reduce((result: string[], it) => it ? [...result, it.trim()] : result, []);
-}
+  return str
+    .replace(replace, '')
+    .trim()
+    .split(split)
+    .reduce((result: string[], it) => (it ? [...result, it.trim()] : result), []);
+};