diff --git a/serialize/base36/base36.go b/serialize/base36/base36.go
new file mode 100644
index 0000000..bf44fd0
--- /dev/null
+++ b/serialize/base36/base36.go
@@ -0,0 +1,108 @@
+package base36
+
+import (
+	"fmt"
+	"math/big"
+	"strings"
+)
+
+// Encode 将字节数据编码为Base36字符串(大写)，使用=作为padding字符
+func Encode(src []byte) string {
+	if len(src) == 0 {
+		return ""
+	}
+
+	// 将字节转换为big.Int
+	num := new(big.Int).SetBytes(src)
+
+	// 如果输入为全零字节，则直接返回"0"
+	if num.Cmp(big.NewInt(0)) == 0 {
+		return "0"
+	}
+
+	// 进行Base36编码
+	var result strings.Builder
+	base := big.NewInt(36)
+	zero := big.NewInt(0)
+	remainder := new(big.Int)
+
+	// 重复除以36，获取余数作为字符
+	for num.Cmp(zero) > 0 {
+		num.DivMod(num, base, remainder)
+		digit := remainder.Int64()
+
+		if digit < 10 {
+			result.WriteString(fmt.Sprintf("%d", digit))
+		} else {
+			result.WriteString(fmt.Sprintf("%c", 'A'+digit-10))
+		}
+	}
+
+	// 反转字符串，因为我们是从低位开始计算的
+	encoded := result.String()
+	runes := []rune(encoded)
+	for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
+		runes[i], runes[j] = runes[j], runes[i]
+	}
+
+	return string(runes)
+}
+
+// Decode 将Base36字符串(可为任意大小写)解码为字节数组
+func Decode(src string) ([]byte, error) {
+	if src == "" {
+		return []byte{}, nil
+	}
+
+	// 移除padding字符
+	src = strings.ReplaceAll(src, "=", "")
+	src = strings.ToUpper(src)
+
+	// 使用big.Int进行解码
+	num := big.NewInt(0)
+	base := big.NewInt(36)
+
+	for _, char := range src {
+		var digit int64
+
+		switch {
+		case char >= '0' && char <= '9':
+			digit = int64(char - '0')
+		case char >= 'A' && char <= 'Z':
+			digit = int64(char - 'A' + 10)
+		default:
+			return nil, fmt.Errorf("invalid character %c in base36 string", char)
+		}
+
+		num.Mul(num, base)
+		num.Add(num, big.NewInt(digit))
+	}
+
+	// 转换为字节数组
+	return num.Bytes(), nil
+}
+
+// EncodeToString 是Encode的别名，用于保持与标准库一致的命名
+func EncodeToString(src []byte) string {
+	return Encode(src)
+}
+
+// DecodeString 是Decode的别名，用于保持与标准库一致的命名
+func DecodeString(src string) ([]byte, error) {
+	return Decode(src)
+}
+
+// EncodeInt64 将int64转换为Base36字符串
+func EncodeInt64(num int64) string {
+	return EncodeToString(big.NewInt(num).Bytes())
+}
+
+// DecodeToInt64 将Base36字符串解码为int64
+func DecodeToInt64(src string) (int64, error) {
+	bytes, err := DecodeString(src)
+	if err != nil {
+		return 0, err
+	}
+
+	return new(big.Int).SetBytes(bytes).Int64(), nil
+}