diff --git a/src/framework/cron/cron.go b/src/framework/cron/cron.go
index ce2bc811..e45c01bf 100644
--- a/src/framework/cron/cron.go
+++ b/src/framework/cron/cron.go
@@ -1,6 +1,7 @@
 package cron
 
 import (
+	"errors"
 	"fmt"
 	"time"
 
@@ -194,6 +195,9 @@ func (qj QueueJob) Run() {
 	// 获取队列处理器接口实现
 	processor := *job.queueProcessor
 	result, err := processor.Execute(job.Data)
+	if errors.Is(err, ErrTaskRunning) {
+		return
+	}
 	if err != nil {
 		job.Status = Failed
 		cronLog.Error(err, "failed", job)
diff --git a/src/framework/cron/cron_log.go b/src/framework/cron/cron_log.go
index b1ade2ed..4d20bf84 100644
--- a/src/framework/cron/cron_log.go
+++ b/src/framework/cron/cron_log.go
@@ -2,6 +2,7 @@ package cron
 
 import (
 	"encoding/json"
+	"errors"
 	"time"
 
 	"be.ems/src/framework/constants"
@@ -123,3 +124,6 @@ type JobData struct {
 	// 定时任务调度表记录信息
 	SysJob monitorModel.SysJob
 }
+
+// ErrTaskRunning 任务正在运行错误
+var ErrTaskRunning = errors.New("task is running")
diff --git a/src/framework/database/redis/expand.go b/src/framework/database/redis/expand.go
index 85a8076a..1ede2195 100644
--- a/src/framework/database/redis/expand.go
+++ b/src/framework/database/redis/expand.go
@@ -4,6 +4,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"net"
+	"os"
 	"sync"
 	"time"
 
@@ -173,3 +175,49 @@ func Expire(source, key string, expiration time.Duration) error {
 	}
 	return nil
 }
+
+// SetNX 设置分布式锁，不存在时设置
+func SetNX(source, key string, expiration time.Duration) bool {
+	// 数据源
+	rdb := RDB(source)
+	if rdb == nil {
+		return false
+	}
+	hostname, ipAddr := hostnameAndIP()
+	value := fmt.Sprintf("%s@%s", hostname, ipAddr)
+	// 过期时间设置
+	ctx := context.Background()
+	ok, err := rdb.SetNX(ctx, key, value, expiration).Result()
+	if err != nil {
+		logger.Errorf("redis SetNX err %v", err)
+		return false
+	}
+	return ok
+}
+
+// hostnameAndIP 获取当前主机的名称和 IP 地址
+func hostnameAndIP() (string, string) {
+	hostname, err := os.Hostname()
+	if err != nil {
+		return "unknown", "unknown"
+	}
+
+	// 获取本机的第一个非 loopback 的 IP 地址
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return hostname, "unknown"
+	}
+	var ipAddr string
+	for _, addr := range addrs {
+		// 只选择 IPv4 地址且不是回环地址
+		ipNet, ok := addr.(*net.IPNet)
+		if ok && ipNet.IP.To4() != nil && !ipNet.IP.IsLoopback() {
+			ipAddr = ipNet.IP.String()
+			break
+		}
+	}
+	if ipAddr == "" {
+		return hostname, "unknown"
+	}
+	return hostname, ipAddr
+}
diff --git a/src/modules/crontask/processor/backup_export_cdr/backup_export_cdr.go b/src/modules/crontask/processor/backup_export_cdr/backup_export_cdr.go
index 86152d6e..7e2c0652 100644
--- a/src/modules/crontask/processor/backup_export_cdr/backup_export_cdr.go
+++ b/src/modules/crontask/processor/backup_export_cdr/backup_export_cdr.go
@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/i18n"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/date"
@@ -48,6 +49,13 @@ func (s *BackupExportCDRProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:backup_export_cdr:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	var params struct {
 		DataType []string `json:"dataType"` // 类型支持 ims/smsc/smf/sgwc
 		FileType string   `json:"fileType"` // 文件类型 csv/xlsx
diff --git a/src/modules/crontask/processor/backup_export_kpi/backup_export_kpi.go b/src/modules/crontask/processor/backup_export_kpi/backup_export_kpi.go
index 7249dc3f..15d0f910 100644
--- a/src/modules/crontask/processor/backup_export_kpi/backup_export_kpi.go
+++ b/src/modules/crontask/processor/backup_export_kpi/backup_export_kpi.go
@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/date"
 	"be.ems/src/framework/utils/file"
@@ -48,6 +49,13 @@ func (s *BackupExportKPIProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:backup_export_kpi:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	var params struct {
 		DataType []string `json:"dataType"` // 类型支持 ims/amf/udm/smf/pcf/upf/mme/smsc
 		FileType string   `json:"fileType"` // 文件类型 csv/xlsx
diff --git a/src/modules/crontask/processor/backup_export_log/backup_export_log.go b/src/modules/crontask/processor/backup_export_log/backup_export_log.go
index 1c311680..ccb6d00b 100644
--- a/src/modules/crontask/processor/backup_export_log/backup_export_log.go
+++ b/src/modules/crontask/processor/backup_export_log/backup_export_log.go
@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/i18n"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/date"
@@ -43,6 +44,13 @@ func (s *BackupExportLogProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:backup_export_log:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	var params struct {
 		DataType []string `json:"dataType"` // 类型支持 operate/login
 		FileType string   `json:"fileType"` // 文件类型 csv/xlsx
diff --git a/src/modules/crontask/processor/backup_export_table/backup_export_table.go b/src/modules/crontask/processor/backup_export_table/backup_export_table.go
index d540038f..2d817186 100644
--- a/src/modules/crontask/processor/backup_export_table/backup_export_table.go
+++ b/src/modules/crontask/processor/backup_export_table/backup_export_table.go
@@ -10,6 +10,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/i18n"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/date"
@@ -54,6 +55,13 @@ func (s *BackupExportTableProcessor) Execute(data any) (any, error) {
 		return nil, err
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:backup_export_table:%d:%s", sysJob.JobId, params.TableName)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	var affected int64
 	var errMsg error
 	fileName := fmt.Sprintf("%s_export_%s.csv", strings.ToLower(params.TableName), time.Now().Format("20060102150405"))
diff --git a/src/modules/crontask/processor/backup_export_udm/backup_export_udm.go b/src/modules/crontask/processor/backup_export_udm/backup_export_udm.go
index 38cc6df5..a547c255 100644
--- a/src/modules/crontask/processor/backup_export_udm/backup_export_udm.go
+++ b/src/modules/crontask/processor/backup_export_udm/backup_export_udm.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/file"
 	neDataModel "be.ems/src/modules/network_data/model"
@@ -47,6 +48,13 @@ func (s *BackupExportUDMProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:backup_export_udm:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	var params struct {
 		DataType []string `json:"dataType"` // 类型支持 auth/sub/voip/volte
 		FileType string   `json:"fileType"` // 文件类型 csv/txt
diff --git a/src/modules/crontask/processor/backup_remove_file/backup_remove_file.go b/src/modules/crontask/processor/backup_remove_file/backup_remove_file.go
index 07055073..5e8866e6 100644
--- a/src/modules/crontask/processor/backup_remove_file/backup_remove_file.go
+++ b/src/modules/crontask/processor/backup_remove_file/backup_remove_file.go
@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 )
 
@@ -38,6 +39,13 @@ func (s *BackupRemoveFileProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:backup_remove_file:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params []struct {
 		BackupPath string `json:"backupPath"` // 备份路径 /usr/local/omc/backup/{backupPath}
diff --git a/src/modules/crontask/processor/delete_alarm_record/delete_alarm_record.go b/src/modules/crontask/processor/delete_alarm_record/delete_alarm_record.go
index 806a2f69..9435f6f4 100644
--- a/src/modules/crontask/processor/delete_alarm_record/delete_alarm_record.go
+++ b/src/modules/crontask/processor/delete_alarm_record/delete_alarm_record.go
@@ -7,6 +7,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 )
 
@@ -29,6 +30,13 @@ func (s *DeleteAlarmRecordProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:delete_alarm_record:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params struct {
 		StoreDays int `json:"storeDays"` // store days
diff --git a/src/modules/crontask/processor/delete_cdr_record/delete_cdr_record.go b/src/modules/crontask/processor/delete_cdr_record/delete_cdr_record.go
index 3ff4239c..b5483f73 100644
--- a/src/modules/crontask/processor/delete_cdr_record/delete_cdr_record.go
+++ b/src/modules/crontask/processor/delete_cdr_record/delete_cdr_record.go
@@ -1,4 +1,4 @@
-package delete_CDR_record
+package delete_cdr_record
 
 import (
 	"encoding/json"
@@ -8,6 +8,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 )
 
@@ -30,6 +31,13 @@ func (s *DeleteCDRRecordProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:delete_cdr_record:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params struct {
 		StoreDays int      `json:"storeDays"` // store days
diff --git a/src/modules/crontask/processor/delete_data_record/delete_data_record.go b/src/modules/crontask/processor/delete_data_record/delete_data_record.go
index 692a1af9..b4a44288 100644
--- a/src/modules/crontask/processor/delete_data_record/delete_data_record.go
+++ b/src/modules/crontask/processor/delete_data_record/delete_data_record.go
@@ -7,6 +7,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 )
 
@@ -51,6 +52,14 @@ func (s *DeleteDataRecordProcessor) Execute(data any) (any, error) {
 	if params.StoreDays < 0 {
 		return nil, fmt.Errorf("params storeDays less than 0  ")
 	}
+
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:delete_data_record:%d:%s", sysJob.JobId, params.TableName)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 指定表名
 	tx := db.DB("").Table(params.TableName)
 
diff --git a/src/modules/crontask/processor/delete_kpi_record/delete_kpi_record.go b/src/modules/crontask/processor/delete_kpi_record/delete_kpi_record.go
index ea87fd9a..68597053 100644
--- a/src/modules/crontask/processor/delete_kpi_record/delete_kpi_record.go
+++ b/src/modules/crontask/processor/delete_kpi_record/delete_kpi_record.go
@@ -8,6 +8,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 )
 
@@ -30,6 +31,13 @@ func (s *DeleteKPIRecordProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:delete_kpi_record:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params struct {
 		StoreDays int      `json:"storeDays"` // store days
diff --git a/src/modules/crontask/processor/delete_ne_config_backup/delete_ne_config_backup.go b/src/modules/crontask/processor/delete_ne_config_backup/delete_ne_config_backup.go
index 982b7323..583f3920 100644
--- a/src/modules/crontask/processor/delete_ne_config_backup/delete_ne_config_backup.go
+++ b/src/modules/crontask/processor/delete_ne_config_backup/delete_ne_config_backup.go
@@ -10,6 +10,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/date"
 	neModel "be.ems/src/modules/network_element/model"
@@ -37,6 +38,13 @@ func (s *DeleteNeConfigBackupProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:delete_ne_config_backup:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params struct {
 		StoreDays int `json:"storeDays"` // 保留天数
diff --git a/src/modules/crontask/processor/delete_uenb_record/delete_uenb_record.go b/src/modules/crontask/processor/delete_uenb_record/delete_uenb_record.go
index d19662e8..289241ec 100644
--- a/src/modules/crontask/processor/delete_uenb_record/delete_uenb_record.go
+++ b/src/modules/crontask/processor/delete_uenb_record/delete_uenb_record.go
@@ -1,4 +1,4 @@
-package delete_UENB_record
+package delete_uenb_record
 
 import (
 	"encoding/json"
@@ -8,6 +8,7 @@ import (
 
 	"be.ems/src/framework/cron"
 	"be.ems/src/framework/database/db"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 )
 
@@ -30,6 +31,13 @@ func (s *DeleteUENBRecordProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:delete_uenb_record:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params struct {
 		StoreDays int      `json:"storeDays"` // store days
diff --git a/src/modules/crontask/processor/monitor_sys_resource/monitor_sys_resource.go b/src/modules/crontask/processor/monitor_sys_resource/monitor_sys_resource.go
index bd242c22..cc037dbf 100644
--- a/src/modules/crontask/processor/monitor_sys_resource/monitor_sys_resource.go
+++ b/src/modules/crontask/processor/monitor_sys_resource/monitor_sys_resource.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	monitorService "be.ems/src/modules/monitor/service"
 )
@@ -31,6 +32,13 @@ func (s *MonitorSysResourceProcessor) Execute(data any) (any, error) {
 	sysJob := options.SysJob
 	logger.Infof("重复:%v 任务ID:%d  执行次数:%d", options.Repeat, sysJob.JobId, s.count)
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:monitor_sys_resource:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params struct {
 		Interval float64 `json:"interval"`
diff --git a/src/modules/crontask/processor/ne_alarm_state_check/ne_alarm_state_check.go b/src/modules/crontask/processor/ne_alarm_state_check/ne_alarm_state_check.go
index e79e6f1d..dca6fb1d 100644
--- a/src/modules/crontask/processor/ne_alarm_state_check/ne_alarm_state_check.go
+++ b/src/modules/crontask/processor/ne_alarm_state_check/ne_alarm_state_check.go
@@ -9,6 +9,7 @@ import (
 
 	"be.ems/src/framework/constants"
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/parse"
 	neModel "be.ems/src/modules/network_element/model"
@@ -50,6 +51,13 @@ func (s *NeAlarmStateCheckProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:ne_alarm_state_check:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params alarmParams
 	err := json.Unmarshal([]byte(sysJob.TargetParams), &params)
diff --git a/src/modules/crontask/processor/ne_alarm_state_check_cmd/ne_alarm_state_check_cmd.go b/src/modules/crontask/processor/ne_alarm_state_check_cmd/ne_alarm_state_check_cmd.go
index 52a8b376..53402749 100644
--- a/src/modules/crontask/processor/ne_alarm_state_check_cmd/ne_alarm_state_check_cmd.go
+++ b/src/modules/crontask/processor/ne_alarm_state_check_cmd/ne_alarm_state_check_cmd.go
@@ -14,6 +14,7 @@ import (
 
 	"be.ems/src/framework/constants"
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/parse"
 	neDataModel "be.ems/src/modules/network_data/model"
@@ -71,6 +72,13 @@ func (s *NeAlarmStateCheckCMDProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:ne_alarm_state_check_cmd:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params alarmParams
 	err := json.Unmarshal([]byte(sysJob.TargetParams), &params)
diff --git a/src/modules/crontask/processor/ne_alarm_state_check_license/ne_alarm_state_check_license.go b/src/modules/crontask/processor/ne_alarm_state_check_license/ne_alarm_state_check_license.go
index 8e866a05..007d520b 100644
--- a/src/modules/crontask/processor/ne_alarm_state_check_license/ne_alarm_state_check_license.go
+++ b/src/modules/crontask/processor/ne_alarm_state_check_license/ne_alarm_state_check_license.go
@@ -8,6 +8,7 @@ import (
 
 	"be.ems/src/framework/constants"
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	"be.ems/src/framework/utils/parse"
 	"github.com/tsmask/go-oam"
@@ -52,6 +53,13 @@ func (s *NeAlarmStateCheckLicenseProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:ne_alarm_state_check_license:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	// 读取参数值
 	var params alarmParams
 	err := json.Unmarshal([]byte(sysJob.TargetParams), &params)
diff --git a/src/modules/crontask/processor/ne_config_backup/ne_config_backup.go b/src/modules/crontask/processor/ne_config_backup/ne_config_backup.go
index 0bd28f0a..aa7b188d 100644
--- a/src/modules/crontask/processor/ne_config_backup/ne_config_backup.go
+++ b/src/modules/crontask/processor/ne_config_backup/ne_config_backup.go
@@ -5,6 +5,7 @@ import (
 	"path/filepath"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	neDataService "be.ems/src/modules/network_data/service"
 	neModel "be.ems/src/modules/network_element/model"
@@ -36,6 +37,13 @@ func (s *NeConfigBackupProcessor) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:ne_config_backup:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	neList := s.neInfoService.Find(neModel.NeInfo{}, false, false)
 	for _, neInfo := range neList {
 		neTypeAndId := fmt.Sprintf("%s_%s", neInfo.NeType, neInfo.NeId)
diff --git a/src/modules/crontask/processor/ne_data_udm/ne_data_udm.go b/src/modules/crontask/processor/ne_data_udm/ne_data_udm.go
index ad16557a..699a3b19 100644
--- a/src/modules/crontask/processor/ne_data_udm/ne_data_udm.go
+++ b/src/modules/crontask/processor/ne_data_udm/ne_data_udm.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"be.ems/src/framework/cron"
+	"be.ems/src/framework/database/redis"
 	"be.ems/src/framework/logger"
 	neDataService "be.ems/src/modules/network_data/service"
 	neModel "be.ems/src/modules/network_element/model"
@@ -35,6 +36,13 @@ func (s *NeDataUDM) Execute(data any) (any, error) {
 		"count": s.count,
 	}
 
+	// 分布式锁，防止多个任务同时执行
+	lockKey := fmt.Sprintf("processor:ne_data_udm:%d", sysJob.JobId)
+	if ok := redis.SetNX("", lockKey, 0); !ok {
+		return nil, cron.ErrTaskRunning
+	}
+	defer redis.Del("", lockKey)
+
 	neList := s.neInfoService.Find(neModel.NeInfo{NeType: "UDM"}, false, false)
 	for _, neInfo := range neList {
 		result[fmt.Sprintf("AuthNumber_%s", neInfo.NeId)] = s.udmAuthService.ResetData(neInfo.NeId)