fix: 微信登录补充保存username和role

node_modules/licia/difference.js

@@ -0,0 +1,12 @@
+var restArgs = require('./restArgs');
+var flatten = require('./flatten');
+var filter = require('./filter');
+var contain = require('./contain');
+exports = restArgs(function(arr, args) {
+    args = flatten(args);
+    return filter(arr, function(val) {
+        return !contain(args, val);
+    });
+});
+
+module.exports = exports;