Tomcat：3DES解密时中文乱码

public static String decode(String desStr) {
    Base64 base64 = new Base64();
    byte[] keybyte = hex(KEY);
    byte[] src = null;
    try {
      src = base64.decode(desStr.getBytes("UTF-8"));
      // 生成密钥
      SecretKey deskey = new SecretKeySpec(keybyte, "DESede");
      // 解密
      Cipher c1 = Cipher.getInstance("DESede");
      c1.init(Cipher.DECRYPT_MODE, deskey);
      String pwd = new String(c1.doFinal(src),Charset.forName("utf-8"));
      return pwd;
    } catch (java.security.NoSuchAlgorithmException e1) {
      e1.printStackTrace();
    } catch (javax.crypto.NoSuchPaddingException e2) {
      e2.printStackTrace();
    } catch (java.lang.Exception e3) {
      e3.printStackTrace();
    }
    return null;
  }