fix: 微信登录补充保存username和role

node_modules/licia/safeDel.js

@@ -0,0 +1,16 @@
+var isUndef = require('./isUndef');
+var castPath = require('./castPath');
+exports = function(obj, path) {
+    path = castPath(path, obj);
+    var prop, ret;
+
+    while ((prop = path.shift())) {
+        ret = obj[prop];
+        if (path.length === 0) delete obj[prop];
+        obj = ret;
+        if (isUndef(obj)) return;
+    }
+    return ret;
+};
+
+module.exports = exports;