fix: 微信登录补充保存username和role

node_modules/licia/fraction.js

@@ -0,0 +1,17 @@
+var gcd = require('./gcd');
+var precision = require('./precision');
+exports = function(num) {
+    if (num === 0) return '0';
+    var _precision = precision(num);
+    _precision = pow(10, _precision);
+    var numerator = num * _precision,
+        denominator = _precision;
+    var _gcd = abs(gcd(numerator, denominator));
+    numerator /= _gcd;
+    denominator /= _gcd;
+    return numerator + '/' + denominator;
+};
+var abs = Math.abs;
+var pow = Math.pow;
+
+module.exports = exports;