diff --git a/packages/ui/certd-client/src/components/cron-editor/index.vue b/packages/ui/certd-client/src/components/cron-editor/index.vue
index aadaa3404..839b5ed4b 100644
--- a/packages/ui/certd-client/src/components/cron-editor/index.vue
+++ b/packages/ui/certd-client/src/components/cron-editor/index.vue
@@ -13,13 +13,11 @@
 </template>
 
 <script lang="ts" setup>
-import parser from "cron-parser";
 import { computed, ref } from "vue";
-import dayjs from "dayjs";
 import { useI18n } from "vue-i18n";
+import { getCronNextTimes } from "/@/components/cron-editor/utils";
 
 const { t } = useI18n();
-import { getCronNextTimes } from "/@/components/cron-editor/utils";
 defineOptions({
   name: "CronEditor",
 });
diff --git a/packages/ui/certd-server/src/controller/user/monitor/site-info-controller.ts b/packages/ui/certd-server/src/controller/user/monitor/site-info-controller.ts
index 536bb9fde..7cdbf0c79 100644
--- a/packages/ui/certd-server/src/controller/user/monitor/site-info-controller.ts
+++ b/packages/ui/certd-server/src/controller/user/monitor/site-info-controller.ts
@@ -121,7 +121,7 @@ export class SiteInfoController extends CrudController<SiteInfoService> {
   @Post('/checkAll', { description: Constants.per.authOnly, summary: "检查所有站点监控" })
   async checkAll() {
     const { projectId, userId } = await this.getProjectUserIdWrite()
-    await this.service.checkAllByUsers(userId,projectId);
+    this.service.triggerJobOnce(userId,projectId);
     return this.ok();
   }
 
diff --git a/packages/ui/certd-server/src/modules/auto/auto-c-register-cron.ts b/packages/ui/certd-server/src/modules/auto/auto-c-register-cron.ts
index 6859eb2d6..f84745a83 100644
--- a/packages/ui/certd-server/src/modules/auto/auto-c-register-cron.ts
+++ b/packages/ui/certd-server/src/modules/auto/auto-c-register-cron.ts
@@ -1,17 +1,18 @@
-import {Autoload, Config, Init, Inject, Scope, ScopeEnum} from '@midwayjs/core';
-import {PipelineService} from '../pipeline/service/pipeline-service.js';
-import {logger} from '@certd/basic';
-import {SysSettingsService, SysSiteInfo} from '@certd/lib-server';
-import {SiteInfoService} from '../monitor/index.js';
-import {Cron} from '../cron/cron.js';
-import {UserSettingsService} from "../mine/service/user-settings-service.js";
-import {UserSiteMonitorSetting} from "../mine/service/models.js";
-import {getPlusInfo, isPlus} from "@certd/plus-core";
+import { logger } from '@certd/basic';
+import { SysSettingsService, SysSiteInfo } from '@certd/lib-server';
+import { getPlusInfo, isPlus } from "@certd/plus-core";
+import { Autoload, Config, Init, Inject, Scope, ScopeEnum } from '@midwayjs/core';
 import dayjs from "dayjs";
-import {NotificationService} from "../pipeline/service/notification-service.js";
-import {UserService} from "../sys/authority/service/user-service.js";
-import {Between} from "typeorm";
+import { Between } from "typeorm";
 import { DomainService } from '../cert/service/domain-service.js';
+import { Cron } from '../cron/cron.js';
+import { UserSiteMonitorSetting } from "../mine/service/models.js";
+import { UserSettingsService } from "../mine/service/user-settings-service.js";
+import { SiteInfoService } from '../monitor/index.js';
+import { NotificationService } from "../pipeline/service/notification-service.js";
+import { PipelineService } from '../pipeline/service/pipeline-service.js';
+import { UserService } from "../sys/authority/service/user-service.js";
+import { ProjectService } from '../sys/enterprise/service/project-service.js';
 
 @Autoload()
 @Scope(ScopeEnum.Request, { allowDowngrade: true })
@@ -47,6 +48,9 @@ export class AutoCRegisterCron {
 
   @Inject()
   domainService: DomainService;
+  @Inject()
+  projectService: ProjectService;
+
 
 
   @Init()
@@ -72,9 +76,23 @@ export class AutoCRegisterCron {
 
   async registerSiteMonitorCron() {
     //先注册公共job
-    await this.siteInfoService.registerSiteMonitorJob()
+    logger.info(`注册公共站点证书检查定时任务`)
+    const randomMinute = Math.floor(Math.random() * 60)
+    this.cron.register({
+      name: 'siteMonitor',
+      cron: `0 ${randomMinute} 0 * * *`,
+      job:async ()=>{
+        logger.info(`开始公共站点证书检查任务`)
+        await this.siteInfoService.triggerCommonJob()
+        logger.info(`公共站点证书检查任务完成`)
+      },
+    });
+    logger.info(`注册公共站点证书检查定时任务完成`)
+
+
 
     //注册用户独立的检查时间
+    logger.info(`注册用户独立站点证书检查定时任务`)
     const monitorSettingList = await this.userSettingsService.list({
       query:{
         key: UserSiteMonitorSetting.__key__,
@@ -87,10 +105,11 @@ export class AutoCRegisterCron {
       }
       await this.siteInfoService.registerSiteMonitorJob(item.userId,item.projectId)
     }
+    logger.info(`注册用户独立站点证书检查定时任务完成`)
 
     if (this.immediateTriggerSiteMonitor) {
-      logger.info(`立即触发一次站点证书检查任务`)
-      await this.siteInfoService.triggerJobOnce()
+      logger.info(`立即触发一次公共站点证书检查任务`)
+      await this.siteInfoService.triggerCommonJob()
     }
   }
 
diff --git a/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts b/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts
index e3e60e3cd..1c17f7ab8 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts
@@ -1,5 +1,5 @@
 import {Inject, Provide, Scope, ScopeEnum} from "@midwayjs/core";
-import {BaseService, NeedSuiteException, NeedVIPException, SysSettingsService} from "@certd/lib-server";
+import {BaseService, Constants, NeedSuiteException, NeedVIPException, SysSettingsService} from "@certd/lib-server";
 import {InjectEntityModel} from "@midwayjs/typeorm";
 import {In, Repository} from "typeorm";
 import {SiteInfoEntity} from "../entity/site-info.js";
@@ -19,6 +19,8 @@ import { dnsContainer } from "./dns-custom.js";
 import { merge } from "lodash-es";
 import { JobHistoryService } from "./job-history-service.js";
 import { JobHistoryEntity } from "../entity/job-history.js";
+import { UserService } from "../../sys/authority/service/user-service.js";
+import { ProjectService } from "../../sys/enterprise/service/project-service.js";
 
 @Provide()
 @Scope(ScopeEnum.Request, {allowDowngrade: true})
@@ -44,6 +46,10 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
   @Inject()
   jobHistoryService: JobHistoryService;
 
+  @Inject()
+  userService: UserService;
+  @Inject()
+  projectService: ProjectService;
 
   @Inject()
   cron: Cron;
@@ -353,18 +359,7 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
     }
   }
 
-  async checkAllByUsers(userId: any,projectId?: number) {
-    if (userId==null) {
-      throw new Error("userId is required");
-    }
-    // const sites = await this.repository.find({
-    //   where: {userId,projectId}
-    // });
-    // this.checkList(sites,false);
-    await this.triggerJobOnce(userId,projectId);
-  }
-
-  async checkList(sites: SiteInfoEntity[],isCommon: boolean) {
+  async checkList(sites: SiteInfoEntity[]) {
     const cache = {}
     const getFromCache = async (userId: number,projectId?: number) =>{
       const key = `${userId}_${projectId??""}`
@@ -377,13 +372,6 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
     }
     for (const site of sites) {
       const setting = await getFromCache(site.userId,site.projectId)
-      if (isCommon) {
-        //公共的检查，排除有设置cron的用户
-        if  (setting?.cron) {
-          //设置了cron，跳过公共检查
-          continue;
-        }
-      }
       let retryTimes = setting?.retryTimes
       this.doCheck(site,true,retryTimes).catch(e => {
         logger.error(`检查站点证书失败，${site.domain}`, e.message);
@@ -492,57 +480,73 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
   }
 
   async registerSiteMonitorJob(userId?: number,projectId?: number) {
+    const setting = await this.userSettingsService.getSetting<UserSiteMonitorSetting>(userId,projectId, UserSiteMonitorSetting);
+    if (!setting.cron) {
+      return;
+    }
+    //注册个人的 或项目的
+    this.cron.register({
+      name: `siteMonitor_${userId}_${projectId||""}`,
+      cron: setting.cron,
+      job: () => this.triggerJobOnce(userId,projectId),
+    });
+  }
 
-    if(userId == null){
-      //注册公共job
-      logger.info(`注册站点证书检查定时任务`)
-      this.cron.register({
-        name: 'siteMonitor',
-        cron: '0 0 0 * * *',
-        job:async ()=>{
-          await this.triggerJobOnce()
-        },
-      });
-      logger.info(`注册站点证书检查定时任务完成`)
-    }else{
-      const setting = await this.userSettingsService.getSetting<UserSiteMonitorSetting>(userId,projectId, UserSiteMonitorSetting);
-      if (!setting.cron) {
-        return;
+  async triggerCommonJob(){
+    //遍历用户
+    const userIds = await this.userService.getAllUserIds()
+    for (const userId of userIds) {
+      const setting = await this.userSettingsService.getSetting<UserSiteMonitorSetting>(userId,null,UserSiteMonitorSetting)
+      if(setting && setting.cron){
+        //该用户有自定义检查时间，跳过公共job
+        continue
       }
-      //注册个人的 或项目的
-      this.cron.register({
-        name: `siteMonitor_${userId}_${projectId||""}`,
-        cron: setting.cron,
-        job: () => this.triggerJobOnce(userId,projectId),
-      });
+      await this.triggerJobOnce(userId)
     }
 
+    //遍历项目
+    const projectIds = await this.projectService.getAllProjectIds()
+    for (const projectId of projectIds) {
+      const userId = Constants.enterpriseUserId
+      const setting = await this.userSettingsService.getSetting<UserSiteMonitorSetting>(userId,projectId,UserSiteMonitorSetting)
+      if(setting && setting.cron){
+        //该项目有自定义检查时间，跳过公共job
+        continue
+      }
+      await this.triggerJobOnce(userId,projectId)
+    }
   }
 
   async triggerJobOnce(userId?:number,projectId?:number) {
-    logger.info(`站点证书检查开始执行[${userId??'所有用户'}_${projectId??'所有项目'}]`);
-    const query:any = { disabled: false };
-    let jobEntity :Partial<JobHistoryEntity> = null;
-    if(userId!=null){
-      query.userId = userId;
-      if(projectId){
-        query.projectId = projectId;
-      }
-      //判断是否已关闭
-      const setting = await this.userSettingsService.getSetting<UserSiteMonitorSetting>(userId,projectId, UserSiteMonitorSetting);
-      if (setting && !setting.cron) {
-        return;
-      }
-      jobEntity  =  {
-        userId,
-        projectId,
-        type:"siteCertMonitor",
-        title: '站点证书检查',
-        result:"start",
-        startAt:new Date().getTime(),
-      }
-      await this.jobHistoryService.add(jobEntity);
+    if(userId==null){
+      throw new Error("userId is required");
     }
+    const query:any = { disabled: false };
+    query.userId = userId;
+    if(projectId){
+      query.projectId = projectId;
+    }
+    const siteCount = await this.repository.count({
+      where: query,
+    });
+    if (siteCount === 0) {
+      logger.info(`用户/项目[${userId}_${projectId||""}]没有站点证书需要检查`)
+      return;
+    }
+
+    logger.info(`站点证书检查开始执行[${userId}_${projectId||""}]`);
+    
+    let jobEntity :Partial<JobHistoryEntity> = null;
+    
+    jobEntity  =  {
+      userId,
+      projectId,
+      type:"siteCertMonitor",
+      title: '站点证书检查',
+      result:"start",
+      startAt:new Date().getTime(),
+    }
+    await this.jobHistoryService.add(jobEntity);
     let offset = 0;
     const limit = 50;
     let count = 0;
@@ -557,21 +561,18 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
         break;
       }
       offset += records.length;
-      const isCommon = !userId;
       count += records.length;
-      await this.checkList(records,isCommon);
+      await this.checkList(records);
     }
 
-    logger.info(`站点证书检查完成[${userId??'所有用户'}_${projectId??'所有项目'}]`);
-    if(jobEntity){
-      await this.jobHistoryService.update({
-        id: jobEntity.id,
-        result: "done",
-        content:`共检查${count}个站点`,
-        endAt:new Date().getTime(),
-        updateTime:new Date(),
-      });
-    }
+    logger.info(`站点证书检查完成[${userId}_${projectId||""}]`);
+    await this.jobHistoryService.update({
+      id: jobEntity.id,
+      result: "done",
+      content:`共检查${count}个站点`,
+      endAt:new Date().getTime(),
+      updateTime:new Date(),
+    });
   }
 
   async batchDelete(ids: number[], userId: number,projectId?:number): Promise<void> {
diff --git a/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts b/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts
index 6b67d5c80..b3f696601 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts
@@ -320,8 +320,6 @@ export class SiteIpService extends BaseService<SiteIpEntity> {
       for (const item of list) {
         await this.add(item);
       }
-
-      // await this.checkAllByUsers(req.userId);
     };
     await batchAdd(list);
   }
diff --git a/packages/ui/certd-server/src/modules/sys/authority/service/user-service.ts b/packages/ui/certd-server/src/modules/sys/authority/service/user-service.ts
index 4535fb453..9015040d9 100644
--- a/packages/ui/certd-server/src/modules/sys/authority/service/user-service.ts
+++ b/packages/ui/certd-server/src/modules/sys/authority/service/user-service.ts
@@ -400,7 +400,15 @@ export class UserService extends BaseService<UserEntity> {
       id: userId,
       ...body,
     })
+  }
 
-
+  async getAllUserIds() {
+    const users = await this.repository.find({
+      select: ['id'],
+      where: {
+        status: 1,
+      },
+    })
+    return users.map(item => item.id);
   }
 }
diff --git a/packages/ui/certd-server/src/modules/sys/enterprise/service/project-service.ts b/packages/ui/certd-server/src/modules/sys/enterprise/service/project-service.ts
index 9cfc9dcb7..454336707 100644
--- a/packages/ui/certd-server/src/modules/sys/enterprise/service/project-service.ts
+++ b/packages/ui/certd-server/src/modules/sys/enterprise/service/project-service.ts
@@ -284,4 +284,14 @@ export class ProjectService extends BaseService<ProjectEntity> {
     return project?.isSystem ?? false;
   }
 
+
+  async getAllProjectIds() {
+    const projects = await this.repository.find({
+      select: ['id'],
+      where: {
+        disabled: false,
+      },
+    })
+    return projects.map(item => item.id);
+  }
 }