diff --git a/src/modules/crawler/job-unlock.provider.ts b/src/modules/crawler/job-unlock.provider.ts
index ba05e35..d6d5ac2 100644
--- a/src/modules/crawler/job-unlock.provider.ts
+++ b/src/modules/crawler/job-unlock.provider.ts
@@ -21,9 +21,6 @@ import { IGenerateSignature, IJobUnlockPayload, IUnlockToken } from './interface
 
 @Injectable()
 export class JobUnlockProvider {
-  private readonly signatureJobBackOff = 5 * 1000;
-  private readonly sendTxJobBackOff = 60 * 1000;
-  private readonly jobRemoveDueDate = 30 * 24 * 60 * 60; // 30 days in seconds
   constructor(
     private readonly queueService: QueueService,
     private readonly configService: ConfigService,
@@ -144,11 +141,9 @@ export class JobUnlockProvider {
           eventLogId: data.eventLogId,
         },
         {
-          attempts: 5,
-          removeOnComplete: {
-            age: this.jobRemoveDueDate,
-          },
-          backoff: this.signatureJobBackOff,
+          jobId: `signature-validate-${data.eventLogId}`,
+          removeOnComplete: true,
+          removeOnFail: true,
         },
       );
     }
@@ -168,11 +163,9 @@ export class JobUnlockProvider {
         eventLogId: data.eventLogId,
       },
       {
-        attempts: 5,
-        removeOnComplete: {
-          age: this.jobRemoveDueDate,
-        },
-        backoff: this.sendTxJobBackOff,
+        jobId: `send-unlock-${data.eventLogId}`,
+        removeOnComplete: true,
+        removeOnFail: true,
       },
     );
   }
diff --git a/src/shared/modules/queue/queue.service.ts b/src/shared/modules/queue/queue.service.ts
index c1d592c..3171fc2 100644
--- a/src/shared/modules/queue/queue.service.ts
+++ b/src/shared/modules/queue/queue.service.ts
@@ -1,6 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
-import Bull, { DoneCallback, Job, JobOptions, Queue } from 'bull';
+import { DoneCallback, Job, JobOptions, Queue } from 'bull';
 
 import { EEnvKey } from '../../../constants/env.constant.js';
 import { BullLib } from '../../../shared/utils/queue.js';
@@ -39,29 +39,7 @@ export class QueueService {
       }
     });
   }
-  public async addJobToQueue<T>(queueName: string, job: T, options: JobOptions = { attempts: 3, backoff: 5000 }) {
-    const queue = this.initQueueOnDemand(queueName);
-    if (!!options.jobId) {
-      const canContinue = await this.removeExistedJobIfFailed(options.jobId, queue);
-      if (!canContinue) {
-        this.logger.warn('this job is existed in queue and not in failed status');
-        return false;
-      }
-    }
-    await queue.add(job, options);
-    return true;
-  }
-  public async removeExistedJobIfFailed(jobId: Bull.JobId, queue: Queue): Promise<boolean> {
-    try {
-      const existedJob = await queue.getJob(jobId);
-      if (existedJob) {
-        await existedJob.remove();
-        return true;
-      }
-      return false;
-    } catch (error) {
-      this.logger.error(error);
-      return false;
-    }
+  public async addJobToQueue<T>(queueName: string, job: T, options: JobOptions) {
+    return this.initQueueOnDemand(queueName).add(job, options);
   }
 }
diff --git a/src/shared/utils/queue.ts b/src/shared/utils/queue.ts
index 59252c2..c8b4e51 100644
--- a/src/shared/utils/queue.ts
+++ b/src/shared/utils/queue.ts
@@ -2,14 +2,17 @@ import Queue from 'bull';
 import * as Redis from 'ioredis';
 
 export class BullLib {
-  static createNewQueue<T>(queueName: string, redisConfig: Redis.RedisOptions): Queue.Queue<T> {
-    const defaultLockTime = 1 * 60 * 60 * 1000;
+  static createNewQueue<T>(
+    queueName: string,
+    redisConfig: Redis.RedisOptions,
+    lockDuration: number = 1 * 60 * 60 * 1000,
+  ): Queue.Queue<T> {
     // eslint-disable-next-line @typescript-eslint/ban-ts-comment
     // @ts-ignore
     return new Queue(queueName, {
       redis: redisConfig,
       settings: {
-        lockDuration: defaultLockTime, // lock the job for one hours.
+        lockDuration, // lock the job for one hours.
         maxStalledCount: 0,
       },
     });
diff --git a/src/shared/utils/time.ts b/src/shared/utils/time.ts
index 3d0e9b1..dbbcf65 100644
--- a/src/shared/utils/time.ts
+++ b/src/shared/utils/time.ts
@@ -19,8 +19,8 @@ export const unixZeroMinuteSecond = (value: number) => dayjs.unix(value).minute(
 
 export const unixToDate = (value: number) => dayjs.unix(value).toDate();
 
-export const startOfDayUnix = (date: Date) => dayjs(date).startOf('day').valueOf() / 1000;
+export const startOfDayUnix = (date: Date) => Math.floor(dayjs(date).startOf('day').valueOf() / 1000);
 
-export const endOfDayUnix = (date: Date) => dayjs(date).endOf('day').valueOf() / 1000;
+export const endOfDayUnix = (date: Date) => Math.floor(dayjs(date).endOf('day').valueOf() / 1000);
 export const getTimeInFutureInMinutes = (minutes: number) => dayjs(new Date()).add(minutes, 'minutes').unix();
 export const getNextDayInUnix = () => dayjs().add(1, 'days').subtract(dayjs().hour()).unix();