diff --git a/src/main/java/com/company/project/service/impl/PermissionServiceImpl.java b/src/main/java/com/company/project/service/impl/PermissionServiceImpl.java
index d1188d7..0e7be55 100644
--- a/src/main/java/com/company/project/service/impl/PermissionServiceImpl.java
+++ b/src/main/java/com/company/project/service/impl/PermissionServiceImpl.java
@@ -156,7 +156,7 @@ public List<PermissionRespNode> permissionTreeList(String userId) {
     private List<PermissionRespNode> getTree(List<SysPermission> all, boolean type) {
 
         List<PermissionRespNode> list = new ArrayList<>();
-        if (CollectionUtils.isEmpty(list)) {
+        if (CollectionUtils.isEmpty(all)) {
             return list;
         }
         for (SysPermission sysPermission : all) {