From ce1be214e5a94e503ce41cbf514e5f9888ff06fa Mon Sep 17 00:00:00 2001
From: xuliangtong <1124839262@qq.com>
Date: Fri, 11 Nov 2022 22:03:39 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=97=AE=E9=A2=98?=
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---
 .../TeacherOpenCourseHandsOnSimulationTasksService.java        | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java
index 26218254..1ad54856 100644
--- a/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java
+++ b/web/src/main/java/com/ibeetl/jlw/service/TeacherOpenCourseHandsOnSimulationTasksService.java
@@ -262,6 +262,9 @@ public class TeacherOpenCourseHandsOnSimulationTasksService extends CoreBaseServ
     }
 
     public List<HandsOnTaskProblemVO> getObjectiveProblem(String problemIds, Long taskId) {
+        if (StringUtils.isEmpty(problemIds)) {
+            return new ArrayList<>();
+        }
 //        List<ResourcesQuestion> resourcesQuestions = resourcesQuestionService.getByIds(problemIds);
         TeacherOpenCourseHandsOnSimulationTasks info = taskId == null ? null : getInfo(taskId);
         List<TeacherOpenCourseMergeResourcesQuestion> resourcesQuestions = StringUtils.isNotEmpty(problemIds) ? mergeResourcesQuestionService.getByIds(problemIds) : null;