perf：增加base64Key

src/utils/Crypto.js

@@ -1,12 +1,11 @@
 const base64js = require("base64-js");
-const keyBase64 = "WmdUzPJXbngVNiaSsQrihg==";
 const SM4 = require("./SM4");
 
 class Crypto {
 
     constructor() {
         this.sm4 = new SM4({
-            keyBuffer: base64js.toByteArray(keyBase64),
+            keyBuffer: base64js.toByteArray(window.httpConfig.base64Key),
             mode: "ecb",
             cipherType: 'base64'
         })
@@ -31,4 +30,4 @@ class Crypto {
     }
 }
 
-module.exports = new Crypto();
+module.exports = new Crypto();