fix: 微信登录补充保存username和role

node_modules/licia/safeGet.js

@@ -0,0 +1,15 @@
+var isUndef = require('./isUndef');
+var castPath = require('./castPath');
+exports = function(obj, path) {
+    path = castPath(path, obj);
+    var prop;
+    prop = path.shift();
+    while (!isUndef(prop)) {
+        obj = obj[prop];
+        if (obj == null) return;
+        prop = path.shift();
+    }
+    return obj;
+};
+
+module.exports = exports;