fix: 微信登录补充保存username和role

node_modules/licia/invert.js

@@ -0,0 +1,10 @@
+var each = require('./each');
+exports = function(obj) {
+    var ret = {};
+    each(obj, function(val, key) {
+        ret[val] = key;
+    });
+    return ret;
+};
+
+module.exports = exports;