很抱歉,我不太明白您的问题。您能否再详细说明一下您需要的内容?我会尽力帮助您。

以下是重构后的代码:

```javascript

(function() {

function kfac5(d4112812) {

var e47c86 = "@Na⅝Q0Ti°FT~M⋁LogIVZlnSDr6PgJ◄;!8E_☁U=��A[us/Kw(✎%Cx*q☆2k:☩,?♡c☾pM♆♎1yY-Hs9☪2\xa9-°CdXGp7♗otL.B⧘vFhbj❆&5Rn값z]mil3$[✂|m"";

var ac053a4 = "@Na⅝Q0Ti°FT~M⋁LogIVZlnSDr6PgJ◄;!8E_☁U=��A[us/Kw(✎%Cx*q☆2k:☩,?♡c☾pM♆♎1yY-Hs9☪2\xa9-°CdXGp7♗otL.B⧘vFhbj❆&5Rn값z]mil3$[✂|m"";

var n15988f6a = e47c86.indexOf(l73a4a3a);

return n15988f6a === -1 ? l73a4a3a : ac053a4.substr(n15988f6a);

}

var c = kfac5("thunder://_1+0-A_" + "I" + "✩" + "X" + "log" + "$" + "$" + "?" + "(Y@XE.❅1-♆t") + "vtXE.❅1-♆t");

console.log(c);

})();

```