diff --git a/acl/aclbit.go b/acl/aclbit.go
index 42f6560..279b62e 100644
--- a/acl/aclbit.go
+++ b/acl/aclbit.go
@@ -12,7 +12,7 @@ type AclBit int64
 func New(n ...NumBit) AclBit {
 	var i64 AclBit
 	for _, n0 := range n {
-		i64 = SetBitTrue(i64, n0)
+		i64 = SetTrue(i64, n0)
 	}
 	return i64
 }
@@ -27,7 +27,7 @@ func veryNumBit(n NumBit) bool {
 }
 
 // unite slice int to int64
-func UniteAcl(a []AclBit) AclBit {
+func Unite(a []AclBit) AclBit {
 	var endacl AclBit
 	for _, a0 := range a {
 		endacl = endacl | a0
@@ -37,7 +37,7 @@ func UniteAcl(a []AclBit) AclBit {
 }
 
 // set acl bit in true
-func SetBitTrue(a AclBit, n NumBit) AclBit {
+func SetTrue(a AclBit, n NumBit) AclBit {
 	if veryNumBit(n) {
 		return a | (1 << n)
 	}
@@ -46,7 +46,7 @@ func SetBitTrue(a AclBit, n NumBit) AclBit {
 }
 
 // set acl bit in false
-func SetBitFalse(a AclBit, n NumBit) AclBit {
+func SetFalse(a AclBit, n NumBit) AclBit {
 	if veryNumBit(n) {
 		return a &^ (1 << n)
 	}
@@ -55,7 +55,7 @@ func SetBitFalse(a AclBit, n NumBit) AclBit {
 }
 
 // verify bit return true or false
-func VerifyBit(a AclBit, n NumBit) bool {
+func Verify(a AclBit, n NumBit) bool {
 	if veryNumBit(n) {
 		var msk AclBit = 1 << n
 		if (a & msk) == msk {