fix: 微信登录补充保存username和role

node_modules/licia/flatten.js

@@ -0,0 +1,16 @@
+var isArr = require('./isArr');
+exports = function(arr) {
+    return flat(arr, []);
+};
+function flat(arr, res) {
+    var len = arr.length,
+        i = -1,
+        cur;
+    while (len--) {
+        cur = arr[++i];
+        isArr(cur) ? flat(cur, res) : res.push(cur);
+    }
+    return res;
+}
+
+module.exports = exports;