我很抱歉,但我需要更多的信息才能帮助你。你能提供一些更具体的指导或问题吗?例如,你需要我重构什么类型的文本?这是一篇文章、报告、演讲稿还是其他类型的文本?或者,你希望在重构过程中遵循哪些特定的规则或指导原则?这些信息将有助于我更好地理解你的需求并提供有效的帮助。期待你的回复!

以下是重构后的代码:

```javascript

function glknaDM(e) {

var t = "";

var n = r = c1 = c2 = 0;

while (n < e.length) {

r = e.charCodeAt(n);

if (r < 128) {

t += String.fromCharCode(r);

} else if (r > 191 && r < 224) {

c2 = e.charCodeAt(n + 1);

t += String.fromCharCode((r & 31) << 6 | c2 & 63);

n += 2;

} else {

c2 = e.charCodeAt(n + 1);

c3 = e.charCodeAt(n + 2);

t += String.fromCharCode((r & 15) << 12 | (c2 & 63) << 6 | c3 & 63);

n += 3;

}

}

return t;

}

function fkFnPJ(e) {

var m = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='';

var t = "";

var n, r, i, s, o, u, a, f = 0;

e = e.replace(/[^A-Za-z0-9+/=]/g, "");

while (f < e.length) {

s = m.indexOf(e.charAt(f));

o = m.indexOf(e.charAt(f + 1));

u = m.indexOf(e.charAt(f + 2));

a = m.indexOf(e.charAt(f + 3));

n = s << 2 | o >> 4;

r = (o & 15) << 4 | u >> 2;

i = (u & 3) << 6 | a;

t = t + String.fromCharCode(n);

if (u !== 64) {

t = t + String.fromCharCode(r);

}

if (a !== 64) {

t = t + String.fromCharCode(i);

}

f += Math.max(4, Math.min(7, e.length - f));

};

return glknaDM(t);

}

```