diff --git a/db/db.go b/db/db.go
index 5438bf2..271175d 100644
--- a/db/db.go
+++ b/db/db.go
@@ -39,9 +39,10 @@ func InitClickHouse(host, port, user, password, database string) (*gorm.DB, erro
 	return db, err
 }
 
-func AutoMigrateClickHouse[T any](db *gorm.DB, table *T) error {
+func AutoMigrateClickHouse(db *gorm.DB, tableOptions string, table any) error {
 	// 带ClickHouse引擎的迁移
-	return db.Set("gorm:table_options", "ENGINE=MergeTree() ORDER BY tuple()").AutoMigrate(table)
+	//return db.Set("gorm:table_options", "ENGINE=MergeTree() ORDER BY tuple()").AutoMigrate(table)
+	return db.Set("gorm:table_options", tableOptions).AutoMigrate(table)
 }
 
 func InitClickHouse2(host, port, user, password, database string) (*ClickHouseRepo, error) {
diff --git a/ksync/ksync.go b/ksync/ksync.go
index 6e685f0..7d15db6 100644
--- a/ksync/ksync.go
+++ b/ksync/ksync.go
@@ -5,6 +5,7 @@ import (
 	"github.com/fox/fox/log"
 	"github.com/wanghuiyt/ding"
 	"runtime/debug"
+	"sync"
 )
 
 // 辅助函数列表
@@ -73,3 +74,15 @@ func WrapSafe(fn func(), recoverFunc func()) func() {
 		RunSafe(fn, recoverFunc)
 	}
 }
+
+func runSafeWg(wg *sync.WaitGroup, fn func()) {
+	defer wg.Done()
+	defer Recover(nil)
+	fn()
+}
+
+// 安全的执行go协程组
+func GroupGo(wg *sync.WaitGroup, fn func()) {
+	wg.Add(1)
+	go runSafeWg(wg, fn)
+}
diff --git a/xrand/weight.go b/xrand/weight.go
deleted file mode 100644
index ef9a453..0000000
--- a/xrand/weight.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package xrand
-
-import "errors"
-
-var ErrWeightRandomBadParam = errors.New("WeightRandom: bad param")
-
-type randomItem[T any] struct {
-	Weight uint
-	Data   T
-}
-
-// WeightRandom 加权随机
-func WeightRandom[W int | uint | int32 | uint32 | int64 | uint64, T any](m map[W]T) (result T, err error) {
-	sum := uint(0)
-	var items []randomItem[T]
-	for weight, data := range m {
-		sum += uint(weight)
-		items = append(items, randomItem[T]{
-			Weight: uint(weight),
-			Data:   data,
-		})
-	}
-
-	if len(items) == 0 || sum == 0 {
-		err = ErrWeightRandomBadParam
-		return
-	}
-	if len(items) == 1 {
-		return items[0].Data, nil
-	}
-
-	r := IntN(int(sum))
-	for _, item := range items {
-		r -= int(item.Weight)
-		if r < 0 {
-			return item.Data, nil
-		}
-	}
-
-	err = ErrWeightRandomBadParam
-	return
-}
diff --git a/xrand/weight_test.go b/xrand/weight_test.go
deleted file mode 100644
index 36b6392..0000000
--- a/xrand/weight_test.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package xrand
-
-import (
-	"github.com/stretchr/testify/assert"
-	"testing"
-)
-
-func TestWeightRandom(t *testing.T) {
-	stat := make(map[any]int)
-	for i := 1; i <= 10000; i++ {
-		items := map[uint]string{
-			5:  "a",
-			15: "b",
-			30: "c",
-			50: "d",
-		}
-		item, err := WeightRandom(items)
-		assert.Nil(t, err)
-		if _, ok := stat[item]; !ok {
-			stat[item] = 0
-		}
-		stat[item]++
-	}
-	t.Log(stat)
-}
diff --git a/xtime/format.go b/xtime/format.go
index bd7a5af..2e600cd 100644
--- a/xtime/format.go
+++ b/xtime/format.go
@@ -11,36 +11,36 @@ const (
 
 // 2006-01-02
 
-func FormatDate(c carbon.Carbon) string {
+func FormatDate(c *carbon.Carbon) string {
 	return c.ToDateString()
 }
 
 // 2006-55 (55周)
 
-func FormatWeek(c carbon.Carbon) string {
+func FormatWeek(c *carbon.Carbon) string {
 	return c.Format(WeekLayout)
 }
 
 // 2006-12
 
-func FormatMonth(c carbon.Carbon) string {
+func FormatMonth(c *carbon.Carbon) string {
 	return c.Format(MonthLayout)
 }
 
 // 2006-04 (4季度)
 
-func FormatQuarter(c carbon.Carbon) string {
+func FormatQuarter(c *carbon.Carbon) string {
 	return c.Format(QuarterLayout)
 }
 
 // 2006
 
-func FormatYear(c carbon.Carbon) string {
+func FormatYear(c *carbon.Carbon) string {
 	return c.Format(YearLayout)
 }
 
 // 20060102
 
-func FormatDateNum(c carbon.Carbon) int {
+func FormatDateNum(c *carbon.Carbon) int {
 	return c.Year()*10000 + c.Month()*100 + c.Day()
 }
diff --git a/xtime/parser.go b/xtime/parser.go
index 33ebd41..5278407 100644
--- a/xtime/parser.go
+++ b/xtime/parser.go
@@ -7,34 +7,34 @@ import (
 // 解析系统时区输出的字符串、时间戳，转为偏移时区
 // 注意如果你的时间戳和字符串已经是偏移时区输出的，就不应使用下列解析函数！
 
-func Parse(value string, offsets ...int) (c carbon.Carbon) {
+func Parse(value string, offsets ...int) (c *carbon.Carbon) {
 	c = carbon.Parse(value)
 	c = set(c, offsets...)
 	return c
 }
 
 //goland:noinspection GoUnusedExportedFunction
-func FromUnix(sec int64, offsets ...int) carbon.Carbon {
+func FromUnix(sec int64, offsets ...int) *carbon.Carbon {
 	c := carbon.CreateFromTimestamp(sec)
 	c = set(c, offsets...)
 	return c
 }
 
-func FromUnixMilli(msec int64, offsets ...int) carbon.Carbon {
+func FromUnixMilli(msec int64, offsets ...int) *carbon.Carbon {
 	c := carbon.CreateFromTimestampMilli(msec)
 	c = set(c, offsets...)
 	return c
 }
 
 //goland:noinspection GoUnusedExportedFunction
-func FromUnixMicro(msec int64, offsets ...int) carbon.Carbon {
+func FromUnixMicro(msec int64, offsets ...int) *carbon.Carbon {
 	c := carbon.CreateFromTimestampMicro(msec)
 	c = set(c, offsets...)
 	return c
 }
 
 //goland:noinspection GoUnusedExportedFunction
-func FromUnixNano(msec int64, offsets ...int) carbon.Carbon {
+func FromUnixNano(msec int64, offsets ...int) *carbon.Carbon {
 	c := carbon.CreateFromTimestampNano(msec)
 	c = set(c, offsets...)
 	return c
diff --git a/xtime/timex_test.go b/xtime/timex_test.go
index 922e5e8..3f3d98e 100644
--- a/xtime/timex_test.go
+++ b/xtime/timex_test.go
@@ -147,6 +147,6 @@ func TestIsInDuration(t *testing.T) {
 
 func TestClean(t *testing.T) {
 	_ = t
-	_ = TimestampToTime
-	_ = FormatDuration
+	_ = TimestampToTime[int]
+	_ = FormatDuration[int64]
 }