diff --git a/back/api/subscription.ts b/back/api/subscription.ts
index 85587a16..bc7e70ce 100644
--- a/back/api/subscription.ts
+++ b/back/api/subscription.ts
@@ -3,7 +3,7 @@ import { Container } from 'typedi';
 import { Logger } from 'winston';
 import SubscriptionService from '../services/subscription';
 import { celebrate, Joi } from 'celebrate';
-import cron_parser from 'cron-parser';
+import { parseExpression } from 'cron-parser';
 const route = Router();
 
 export default (app: Router) => {
@@ -60,7 +60,7 @@ export default (app: Router) => {
       try {
         if (
           !req.body.schedule ||
-          cron_parser.parseExpression(req.body.schedule).hasNext()
+          parseExpression(req.body.schedule).hasNext()
         ) {
           const subscriptionService = Container.get(SubscriptionService);
           const data = await subscriptionService.create(req.body);
@@ -193,7 +193,7 @@ export default (app: Router) => {
         if (
           !req.body.schedule ||
           typeof req.body.schedule === 'object' ||
-          cron_parser.parseExpression(req.body.schedule).hasNext()
+          parseExpression(req.body.schedule).hasNext()
         ) {
           const subscriptionService = Container.get(SubscriptionService);
           const data = await subscriptionService.update(req.body);
diff --git a/back/loaders/deps.ts b/back/loaders/deps.ts
index 767b9dfd..8f2c788e 100644
--- a/back/loaders/deps.ts
+++ b/back/loaders/deps.ts
@@ -1,6 +1,6 @@
 import path from 'path';
 import fs from 'fs/promises';
-import chokidar from 'chokidar';
+import chokidar, { FSWatcher } from 'chokidar';
 import config from '../config/index';
 import { fileExist, promiseExec, rmPath } from '../config/util';
 
@@ -55,9 +55,9 @@ export default async (src: string = 'deps') => {
   const watcher = chokidar.watch(source, {
     ignored: /(^|[\/\\])\../, // ignore dotfiles
     persistent: true,
-  });
+  }) as any;
 
   watcher
-    .on('add', (path) => linkToNodeModule(src))
-    .on('change', (path) => linkToNodeModule(src));
+    .on('add', (_path: string) => linkToNodeModule(src))
+    .on('change', (_path: string) => linkToNodeModule(src));
 };
diff --git a/back/services/cron.ts b/back/services/cron.ts
index a838ce9e..3353efd4 100644
--- a/back/services/cron.ts
+++ b/back/services/cron.ts
@@ -4,7 +4,7 @@ import config from '../config';
 import { Crontab, CrontabModel, CrontabStatus } from '../data/cron';
 import { exec, execSync } from 'child_process';
 import fs from 'fs/promises';
-import cron_parser from 'cron-parser';
+import { parseExpression } from 'cron-parser';
 import {
   getFileContentByName,
   fileExist,
@@ -670,7 +670,7 @@ export default class CronService {
         if (
           command &&
           schedule &&
-          cron_parser.parseExpression(schedule).hasNext()
+          parseExpression(schedule).hasNext()
         ) {
           const name = namePrefix + '_' + index;
 
diff --git a/back/validation/schedule.ts b/back/validation/schedule.ts
index a280156a..6556497f 100644
--- a/back/validation/schedule.ts
+++ b/back/validation/schedule.ts
@@ -1,5 +1,5 @@
 import { Joi } from 'celebrate';
-import cron_parser from 'cron-parser';
+import { parseExpression } from 'cron-parser';
 import { ScheduleType } from '../interface/schedule';
 
 const validateSchedule = (value: string, helpers: any) => {
@@ -11,7 +11,7 @@ const validateSchedule = (value: string, helpers: any) => {
   }
 
   try {
-    if (cron_parser.parseExpression(value).hasNext()) {
+    if (parseExpression(value).hasNext()) {
       return value;
     }
   } catch (e) {
diff --git a/src/pages/subscription/modal.tsx b/src/pages/subscription/modal.tsx
index 332d61c4..cbf891f3 100644
--- a/src/pages/subscription/modal.tsx
+++ b/src/pages/subscription/modal.tsx
@@ -12,7 +12,7 @@ import {
 } from 'antd';
 import { request } from '@/utils/http';
 import config from '@/utils/config';
-import cron_parser from 'cron-parser';
+import { parseExpression } from 'cron-parser';
 import isNil from 'lodash/isNil';
 
 const { Option } = Select;
@@ -381,7 +381,7 @@ const SubscriptionModal = ({
                 if (
                   scheduleType === 'interval' ||
                   !value ||
-                  cron_parser.parseExpression(value).hasNext()
+                  parseExpression(value).hasNext()
                 ) {
                   return Promise.resolve();
                 } else {
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 381a7337..7a864dfc 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,6 +1,6 @@
 import intl from 'react-intl-universal';
 import { LANG_MAP, LOG_END_SYMBOL } from './const';
-import cron_parser from 'cron-parser';
+import { parseExpression } from 'cron-parser';
 import { ICrontab } from '@/pages/crontab/type';
 
 export default function browserType() {
@@ -333,7 +333,7 @@ export function getCommandScript(
 
 export function parseCrontab(schedule: string): Date | null {
   try {
-    const time = cron_parser.parseExpression(schedule);
+    const time = parseExpression(schedule);
     if (time) {
       return time.next().toDate();
     }