diff --git a/const.go b/const.go
index 30e76b1..78c13c9 100644
--- a/const.go
+++ b/const.go
@@ -1,10 +1,8 @@
 package gox
 
 const (
-	// StringEmpty 空字符串
-	StringEmpty = ""
-	StringSpace = " "
+	stringEmpty = ""
+	stringSpace = " "
 
-	// Float64Size 64位长度
-	Float64Size = 64
+	float64Size = 64
 )
diff --git a/itoa.go b/itoa.go
index 6376439..38ec72e 100644
--- a/itoa.go
+++ b/itoa.go
@@ -127,8 +127,8 @@ func Atoid(num string) int64 {
 // Atoi 增强版进制转换，支持任意进制，最大76进制
 func Atoi(num string, base int) int64 {
 	final := 0.0
-	length := len(strings.Split(num, StringEmpty)) - 1
-	for _, value := range strings.Split(num, StringEmpty) {
+	length := len(strings.Split(num, stringEmpty)) - 1
+	for _, value := range strings.Split(num, stringEmpty) {
 		tmp := float64(findKey(value))
 		if -1 != tmp {
 			final = final + tmp*math.Pow(float64(base), float64(length))
diff --git a/size.go b/size.go
index abcfe50..6a2ba6a 100644
--- a/size.go
+++ b/size.go
@@ -23,7 +23,7 @@ type Size int64
 // ParseSize 解析字节大小
 func ParseSize(from string) (size Size, err error) {
 	// 逐步解析各个容量
-	for _, volume := range strings.Split(from, StringSpace) {
+	for _, volume := range strings.Split(from, stringSpace) {
 		var unit, num string
 		length := len(volume)
 		check := volume[length-2]
@@ -37,7 +37,7 @@ func ParseSize(from string) (size Size, err error) {
 
 		// 计算数字大小
 		var capacity float64
-		if capacity, err = strconv.ParseFloat(num, Float64Size); nil != err {
+		if capacity, err = strconv.ParseFloat(num, float64Size); nil != err {
 			return
 		}
 
diff --git a/string_builder.go b/string_builder.go
index 9ea436e..0c1860b 100644
--- a/string_builder.go
+++ b/string_builder.go
@@ -10,7 +10,7 @@ type stringBuilder struct {
 	buffer *bytes.Buffer
 }
 
-// 创建连写字符串
+// StringBuilder 创建连写字符串
 func StringBuilder(items ...any) (sb *stringBuilder) {
 	sb = new(stringBuilder)
 	sb.buffer = new(bytes.Buffer)