diff --git a/go.sum b/go.sum
index 2c9f6d2..29672d2 100644
--- a/go.sum
+++ b/go.sum
@@ -49,8 +49,8 @@ github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1y
 github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
 github.com/onsi/gomega v1.18.1 h1:M1GfJqGRrBrrGGsbxzV5dqM2U2ApXefZCQpkukxYRLE=
 github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5hitRs=
-github.com/phyer/core v0.2.18 h1:kgAH4FSugwZisR1yIzq4Ru+qAU13/yQLNwCooEfzWq8=
-github.com/phyer/core v0.2.18/go.mod h1:XZdniJiiZPzOU8+QHPFRQWdvJa6m5Ilj5VClWWI0OQg=
+github.com/phyer/core v0.2.21 h1:+EpBkXP/ak2ql3GAycKTVQYHGFDhkd5CSzL5RQUoY/k=
+github.com/phyer/core v0.2.21/go.mod h1:XZdniJiiZPzOU8+QHPFRQWdvJa6m5Ilj5VClWWI0OQg=
 github.com/phyer/texus v0.0.0-20241207132635-0e7fb63f8196 h1:P1sxgCsS0VIL38ufZzgUuZLLyY/B+po6kSY7ziNZT7E=
 github.com/phyer/texus v0.0.0-20241207132635-0e7fb63f8196/go.mod h1:iZexs5agdApNlp8HW/FqKgma4Ij1x8/o+ZLcMvY3f80=
 github.com/phyer/v5sdkgo v0.1.4 h1:mAxxjPJVTYGuGDarqOcFGkzj5AgqbbzJGsnYmmsbapU=
diff --git a/modules/maX.go b/modules/maX.go
index a6d5488..c1bcf11 100644
--- a/modules/maX.go
+++ b/modules/maX.go
@@ -93,8 +93,13 @@ func (mmx *MyMaX) InsertIntoPlate(cr *core.Core) (*core.Sample, error) {
 	// return nil, err
 	// }
 	coaster, ok := pl.CoasterMap["period"+mx.Period]
-	if !ok || reflect.ValueOf(coaster).IsNil() {
-		logrus.Warnf("coaster is nil or not found for instID: %s, period: %s", mx.InstID, mx.Period)
+	if !ok {
+		logrus.Warnf("coaster not found for instID: %s, period: %s", mx.InstID, mx.Period)
+		return nil, nil
+	}
+	// 对于结构体实例，我们可以检查其关键字段是否为零值
+	if reflect.DeepEqual(coaster, core.Coaster{}) {
+		logrus.Warnf("coaster is zero value for instID: %s, period: %s", mx.InstID, mx.Period)
 		return nil, nil
 	}
 	sm, err := coaster.RPushSample(cr, mx, "ma"+strconv.Itoa(mx.Count))
diff --git a/modules/plate1.go b/modules/plate1.go
deleted file mode 100644
index 7090ebf..0000000
--- a/modules/plate1.go
+++ /dev/null
@@ -1,99 +0,0 @@
-package module
-
-import (
-	"encoding/json"
-	// "errors"
-	"fmt"
-	"github.com/phyer/core"
-	// "os"
-	// "strconv"
-	// "strings"
-	// "sync"
-	// "time"
-	//
-	// simple "github.com/bitly/go-simplejson"
-	// "github.com/go-redis/redis"
-	// "github.com/phyer/core/utils"
-	logrus "github.com/sirupsen/logrus"
-)
-
-// TODO 从redis里读出来已经存储的plate，如果不存在就创建一个新的
-// LoadPlate 加载或创建指定Instrument的Plate
-// 1. 尝试从Redis加载已存储的Plate
-// 2. 如果Redis中不存在，则初始化一个新的Plate
-// 3. 根据配置创建所有需要的Coaster
-// 参数:
-//   - cr: 核心上下文对象
-//   - instId: Instrument ID
-//
-// 返回值:
-//   - *core.Plate: 加载或新建的Plate对象
-//   - error: 操作过程中发生的错误
-func LoadPlate(cr *core.Core, instId string) (*core.Plate, error) {
-	// 初始化一个空的Plate对象
-	pl := core.Plate{}
-
-	// 构造Redis中存储Plate数据的key，格式为"instId|plate"
-	plateName := instId + "|plate"
-
-	// 尝试从Redis获取Plate数据
-	str, err := cr.RedisLocalCli.Get(plateName).Result()
-
-	// 如果Redis中存在数据且没有错误
-	if err == nil && str != "" {
-		// 将JSON字符串反序列化为Plate对象
-		if err := json.Unmarshal([]byte(str), &pl); err != nil {
-			// 反序列化失败时初始化一个新的Plate
-			logrus.Warnf("failed to unmarshal plate data from redis, init new plate: %v", err)
-			pl.Init(instId)
-		}
-		// 返回从Redis加载的Plate对象
-		return &pl, nil
-	}
-
-	// Redis不可用或数据不存在时，初始化一个新的Plate
-	pl.Init(instId)
-
-	// 从配置中获取candleDimentions配置项
-	prs := cr.Cfg.Config.Get("candleDimentions")
-
-	// 检查配置项是否存在
-	if prs == nil || prs.Interface() == nil {
-		return nil, fmt.Errorf("candleDimentions config not found")
-	}
-
-	// 将配置项转换为数组
-	periods := prs.MustArray()
-
-	// 遍历所有周期配置
-	for _, v := range periods {
-		// 将interface{}类型转换为string
-		period, ok := v.(string)
-		// 检查周期字符串是否有效
-		if !ok || period == "" {
-			continue // 跳过无效的周期配置
-		}
-		// 为每个周期创建Coaster
-		if err := pl.MakeCoaster(cr, period); err != nil {
-			// 如果创建失败，返回错误
-			return nil, fmt.Errorf("failed to create coaster for period %s: %v", period, err)
-		}
-	}
-
-	// 将新创建的Plate保存到Redis（可选操作）
-	if err := savePlateToRedis(cr, plateName, &pl); err != nil {
-		// 保存失败时记录警告日志
-		logrus.Warnf("failed to save plate to redis: %v", err)
-	}
-
-	// 返回创建好的Plate对象
-	return &pl, nil
-}
-
-func savePlateToRedis(cr *core.Core, key string, pl *core.Plate) error {
-	data, err := json.Marshal(pl)
-	if err != nil {
-		return err
-	}
-	return cr.RedisLocalCli.Set(key, data, 0).Err()
-}