diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsTreeNodeController.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsTreeNodeController.java
index d764eb22..5ab2e78d 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsTreeNodeController.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsTreeNodeController.java
@@ -46,7 +46,7 @@ public class LawsTreeNodeController extends JeroController<LawsTreeNode, ILawsTr
     @AutoLog(value = "企业标准-体系树")
     @ApiOperation(value = "企业标准-体系树", notes = "企业标准-体系树")
     @GetMapping("/enterprise")
-    public Result<List<LawsTreeNodeModel>> queryENTreeList(@RequestParam(required = false) String nodeName,
+    public Result<List<LawsTreeNodeModel>> queryENTreeList(@RequestParam(required = false, defaultValue = "") String nodeName,
                                                            @RequestParam(required = false) String option) {
         String moduleCode = TableNameEnum.ENTERPRISE_STANDARDS.getValue();
         List<LawsTreeNodeModel> list = lawsTreeNodeService.queryTreeNodeList(moduleCode, nodeName, option);