diff --git a/utils/random/weight.go b/utils/random/weight.go
index e931c4d..eaac060 100644
--- a/utils/random/weight.go
+++ b/utils/random/weight.go
@@ -1,20 +1,20 @@
 package random
 
 // WeightSlice 按权重随机从切片中产生一个数据并返回
-func WeightSlice[T any](getWeightHandle func(data T) int, data ...T) T {
+func WeightSlice[T any](getWeightHandle func(data T) int64, data ...T) T {
 	item, _ := WeightSliceIndex(getWeightHandle, data...)
 	return item
 }
 
 // WeightSliceIndex 按权重随机从切片中产生一个数据并返回数据和对应索引
-func WeightSliceIndex[T any](getWeightHandle func(data T) int, data ...T) (item T, index int) {
-	var total int
-	var overlayWeight []int
+func WeightSliceIndex[T any](getWeightHandle func(data T) int64, data ...T) (item T, index int) {
+	var total int64
+	var overlayWeight []int64
 	for _, d := range data {
 		total += getWeightHandle(d)
 		overlayWeight = append(overlayWeight, total)
 	}
-	var r = IntN(total)
+	var r = Int64(0, total)
 	var i, count = 0, len(overlayWeight)
 	for i < count {
 		h := int(uint(i+count) >> 1)
@@ -28,15 +28,15 @@ func WeightSliceIndex[T any](getWeightHandle func(data T) int, data ...T) (item
 }
 
 // WeightMap 按权重随机从map中产生一个数据并返回
-func WeightMap[K comparable, T any](getWeightHandle func(data T) int, data map[K]T) T {
+func WeightMap[K comparable, T any](getWeightHandle func(data T) int64, data map[K]T) T {
 	item, _ := WeightMapKey(getWeightHandle, data)
 	return item
 }
 
 // WeightMapKey 按权重随机从map中产生一个数据并返回数据和对应 key
-func WeightMapKey[K comparable, T any](getWeightHandle func(data T) int, data map[K]T) (item T, key K) {
-	var total int
-	var overlayWeight []int
+func WeightMapKey[K comparable, T any](getWeightHandle func(data T) int64, data map[K]T) (item T, key K) {
+	var total int64
+	var overlayWeight []int64
 	var dataSlice = make([]T, 0, len(data))
 	var dataKeySlice = make([]K, 0, len(data))
 	for k, d := range data {
@@ -45,7 +45,7 @@ func WeightMapKey[K comparable, T any](getWeightHandle func(data T) int, data ma
 		dataKeySlice = append(dataKeySlice, k)
 		overlayWeight = append(overlayWeight, total)
 	}
-	var r = IntN(total)
+	var r = Int64(0, total)
 	var i, count = 0, len(overlayWeight)
 	for i < count {
 		h := int(uint(i+count) >> 1)