diff --git a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/system/controller/SysUserController.java b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/system/controller/SysUserController.java
index 578c37a..828a1fe 100644
--- a/hxhq-modules/hxhq-system/src/main/java/com/hxhq/system/controller/SysUserController.java
+++ b/hxhq-modules/hxhq-system/src/main/java/com/hxhq/system/controller/SysUserController.java
@@ -450,7 +450,7 @@ public class SysUserController extends BaseController
     @GetMapping("/studyUser")
     public AjaxResult studyUser(Long studyId,Long studySubjectId,String permit)
     {
-        if(studyId==null || studyId.longValue()<=0){
+        if((studyId==null || studyId.longValue()<=0) && StringUtils.isBlank(permit)){
             return AjaxResult.success(new ArrayList<>());
         }
         List<DeptUserTreeDto> depts = userService.selectStudyUser(studyId,studySubjectId,permit);