diff --git a/admin/src/store/modules/permission.js b/admin/src/store/modules/permission.js
index 15ee93a..e19a56d 100644
--- a/admin/src/store/modules/permission.js
+++ b/admin/src/store/modules/permission.js
@@ -164,7 +164,13 @@ function combineRoutes(routers, fromRoutes) {
   fromRoutes.forEach(frouter => {
     const findex = routers.findIndex(r => r.path === frouter.path);
     if (findex > -1) {
-      combineRoutes(routers[findex].children, frouter.children);
+      if (frouter.children) {
+        if (!routers[findex].children || routers[findex].children.length === 0) {
+          routers[findex].children = frouter.children;
+        } else {
+          combineRoutes(routers[findex].children, frouter.children);
+        }
+      }
     } else {
       routers.push(frouter);
     }