diff --git a/anyx/README.md b/anyx/README.md
index 1b8fbe4..c098b96 100644
--- a/anyx/README.md
+++ b/anyx/README.md
@@ -60,5 +60,5 @@ func ToUint64(i any) (uint64, error)
 func ToBool(i any) bool
 
 // Ternary 三元运算符
-func Ternary[T any](expr bool, a, b T) T 
+func Ternary(expr bool, a, b T) T 
 ```
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diff --git a/mapx/README.md b/mapx/README.md
index f8ac0d0..01ece21 100644
--- a/mapx/README.md
+++ b/mapx/README.md
@@ -24,8 +24,8 @@ func KeyExists((m map[T]T2, key T)) bool
 func ValueExists(m map[T2]T, value T) bool
 
 // Keys 提取的所有键
-func Keys[K comparable, V any](m map[K]V) []K
+func Keys(m map[K]V) []K
 
 // Values 提取的所有值
-func Values[K comparable, V any](m map[K]V) []V
+func Values(m map[K]V) []V
 ```
\ No newline at end of file
diff --git a/slicex/README.md b/slicex/README.md
index 1eecaa5..655575c 100644
--- a/slicex/README.md
+++ b/slicex/README.md
@@ -39,17 +39,17 @@ func Sum(slice []T) T
 func Unique(slice []T) []T
 
 // ToMap 切片转map
-func ToMap[T any, K comparable](items []T, keyFunc func(T) K) map[K]T
+func ToMap(items []T, keyFunc func(T) K) map[K]T
 
 // Pluck 字段提取
-func Pluck[T any, K comparable](items []T, keyFunc func(T) K) []K
+func Pluck(items []T, keyFunc func(T) K) []K
 
 // Diff 计算差集
-func Diff[T comparable](s []T, slices ...[]T) []T
+func Diff(s []T, slices ...[]T) []T
 
 // SymmetricDiff 计算对称差集
-func SymmetricDiff[T comparable](slices ...[]T) []T
+func SymmetricDiff(slices ...[]T) []T
 
 // Intersect 计算交集
-func Intersect[T comparable](slices ...[]T) []T
+func Intersect(slices ...[]T) []T
 ```
\ No newline at end of file
diff --git a/strx/README.md b/strx/README.md
index fbc220c..9379805 100644
--- a/strx/README.md
+++ b/strx/README.md
@@ -48,5 +48,8 @@ func ToUint32(v string) uint32
 func ToUint64(v string) uint64
 
 // ToBytes 字符串转字节数组
-func ToBytes(v string) []byte 
+func ToBytes(v string) []byte
+
+// Cut 删除 s 中出现的 sub 字符串
+func Cut(s, sub string, n ...int) string
 ```
\ No newline at end of file