fix: 微信登录补充保存username和role

node_modules/licia/pad.js

@@ -0,0 +1,15 @@
+var repeat = require('./repeat');
+var toStr = require('./toStr');
+exports = function(str, len, chars) {
+    str = toStr(str);
+    var strLen = str.length;
+    chars = chars || ' ';
+    if (strLen < len) {
+        var padStr = repeat(chars, Math.ceil((len - strLen) / 2));
+        str = padStr + str + padStr;
+        str = str.substr(Math.ceil((str.length - len) / 2), len);
+    }
+    return str;
+};
+
+module.exports = exports;