diff --git a/dao/cid.go b/dao/cid.go
index 6233dc6..4425e07 100644
--- a/dao/cid.go
+++ b/dao/cid.go
@@ -93,12 +93,12 @@ func FindRunLogByAuthID(auth_id int) []CIDRunLog {
 
 func FindRunLogByID(auth_id, cid_id int) []CIDRunLog {
 	var cidRunLog []CIDRunLog
-	DB.Debug().Where("cid_id = ? and auth_id = ?", cid_id, auth_id).Order("created_at desc").Find(&cidRunLog)
+	DB.Debug().Where("cid_id = ? and auth_id = ?", cid_id, auth_id).Order("created_at desc").Find(&cidRunLog).Limit(30)
 	return cidRunLog
 }
 func FindRunLogByCIDLogID(id, auth_id int) []CIDRunLog {
 	var cidRunLogs []CIDRunLog
-	DB.Debug().Where("id  = ? and auth_id = ?", id, auth_id).Order("created_at desc").Find(&cidRunLogs)
+	DB.Debug().Where("id  = ? and auth_id = ?", id, auth_id).Order("created_at desc").Find(&cidRunLogs).Limit(30)
 	return cidRunLogs
 }
 
diff --git a/handler/cid.go b/handler/cid.go
index d052b7f..ed5469f 100644
--- a/handler/cid.go
+++ b/handler/cid.go
@@ -41,6 +41,9 @@ type CIDUpdateReq struct {
 	Token  string `json:"cidtoken" form:"cidtoken"`
 }
 
+// 全局变量，记录是否进行cron定时任务的刷新
+var cron_count int
+
 func SetUpCIDGroup(router *gin.Engine) {
 	cidGroup := router.Group("/cid") //持续集成、部署
 	cidGroup.POST("/create", CreateCID)
@@ -88,6 +91,9 @@ func CreateCID(c *gin.Context) {
 		token, _ := generateRandomHexString(32)
 		res := dao.CreateCID(req.Name, req.Url, req.Script, token, req.Time, authID)
 		if res != 0 {
+			if req.Time > 0 {
+				updateCronRedisTime(int(res), req.Time)
+			}
 			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": res})
 		} else {
 			c.JSON(200, gin.H{"error": "CreateCID failed", "code": proto.OperationFailed, "message": "failed"})
@@ -126,6 +132,9 @@ func UpdateCID(c *gin.Context) {
 			c.JSON(200, gin.H{"error": "CID not found", "code": proto.OperationFailed, "message": "failed"})
 			return
 		} else {
+			if req.Time > 0 {
+				updateCronRedisTime(req.ID, req.Time)
+			}
 			c.JSON(200, gin.H{"code": proto.SuccessCode, "message": "success", "data": "success"})
 		}
 	} else {
@@ -228,6 +237,11 @@ echo "end"`
 
 // 定时任务处理逻辑
 func RunCron() {
+	cron_count++
+	if cron_count > 6 {
+		updateCronFromDBToRedis()
+		cron_count = 0
+	}
 	//从redis查看是否有定时任务
 	//如果有定时任务，执行定时任务
 	//如果没有定时任务，查找数据库是否有定时任务，如果有，则加入redis，如果没有，则不做任何操作
@@ -235,20 +249,7 @@ func RunCron() {
 	res := worker.GetRedis(key)
 	//fmt.Println("cid run cron res:", res)
 	if res == "" {
-		cids := dao.FindCIDByTime()
-		cid_workers := make([]proto.CIDRUN, 0)
-		for _, v := range cids {
-			cid_worker := proto.CIDRUN{CID: v.ID, Curr: v.Time, Every: v.Time}
-			cid_workers = append(cid_workers, cid_worker)
-		}
-		if len(cid_workers) > 0 {
-			//将定时任务加入redis
-			json_data, err := json.Marshal(cid_workers)
-			if err != nil {
-				fmt.Println("json marshal failed")
-			}
-			worker.SetRedis(key, string(json_data))
-		}
+		readCronFromDBToRedis(key)
 	} else {
 		var cid_workers []proto.CIDRUN
 		err := json.Unmarshal([]byte(res), &cid_workers)
@@ -277,3 +278,94 @@ func RunCron() {
 	}
 
 }
+
+// 将数据库中的定时任务加入redis
+func readCronFromDBToRedis(key string) {
+	cids := dao.FindCIDByTime()
+	cid_workers := make([]proto.CIDRUN, 0)
+	for _, v := range cids {
+		cid_worker := proto.CIDRUN{CID: v.ID, Curr: v.Time, Every: v.Time}
+		cid_workers = append(cid_workers, cid_worker)
+	}
+	if len(cid_workers) > 0 {
+		//将定时任务加入redis
+		json_data, err := json.Marshal(cid_workers)
+		if err != nil {
+			fmt.Println("json marshal failed")
+		}
+		worker.SetRedis(key, string(json_data))
+	}
+}
+
+// 从数据库更新定时任务到redis
+func updateCronFromDBToRedis() {
+	key := "cron_cid_runs"
+	cids := dao.FindCIDByTime()
+	cid_maps := make(map[uint]int)
+
+	//将数据库中的定时任务加入map，key为cid，value为时间，便于后续查找
+	for _, v := range cids {
+		cid_maps[v.ID] = v.Time
+	}
+	res := worker.GetRedis(key)
+	if res == "" {
+		readCronFromDBToRedis(key)
+		return
+	}
+	var cid_workers_redis []proto.CIDRUN
+	err := json.Unmarshal([]byte(res), &cid_workers_redis)
+	if err != nil {
+		fmt.Println("json unmarshal failed")
+		return
+	}
+	for i, v := range cid_workers_redis {
+		if time, ok := cid_maps[v.CID]; ok {
+			if v.Every != time {
+				cid_workers_redis[i].Every = time
+				cid_workers_redis[i].Curr = time
+			}
+		}
+	}
+	//将定时任务加入redis
+	json_data, err := json.Marshal(cid_workers_redis)
+	if err != nil {
+		fmt.Println("json marshal failed")
+		return
+	}
+	worker.SetRedis(key, string(json_data))
+}
+
+// 查看指定定时任务是否存在，如果存在则更新时间，如果不存在则加入
+func updateCronRedisTime(id int, time int) {
+	key := "cron_cid_runs"
+	res := worker.GetRedis(key)
+	if res == "" {
+		readCronFromDBToRedis(key)
+		return
+	} else {
+		var cid_workers []proto.CIDRUN
+		err := json.Unmarshal([]byte(res), &cid_workers)
+		if err != nil {
+			fmt.Println("json unmarshal failed")
+		}
+		isContain := false
+		for i, v := range cid_workers {
+			if v.CID == uint(id) {
+				//更新时间，不会继续原来的时间
+				cid_workers[i].Curr = time
+				cid_workers[i].Every = time
+				isContain = true
+			}
+		}
+		if isContain == false {
+			cid_worker := proto.CIDRUN{CID: uint(id), Curr: time, Every: time}
+			cid_workers = append(cid_workers, cid_worker)
+		}
+		//将定时任务加入redis
+		json_data, err := json.Marshal(cid_workers)
+		if err != nil {
+			fmt.Println("json marshal failed")
+		}
+		worker.SetRedis(key, string(json_data))
+	}
+}