fix: 微信登录补充保存username和role

node_modules/licia/slice.js

@@ -0,0 +1,22 @@
+exports = function(arr, start, end) {
+    var len = arr.length;
+    if (start == null) {
+        start = 0;
+    } else if (start < 0) {
+        start = Math.max(len + start, 0);
+    } else {
+        start = Math.min(start, len);
+    }
+    if (end == null) {
+        end = len;
+    } else if (end < 0) {
+        end = Math.max(len + end, 0);
+    } else {
+        end = Math.min(end, len);
+    }
+    var ret = [];
+    while (start < end) ret.push(arr[start++]);
+    return ret;
+};
+
+module.exports = exports;