diff --git a/src/views/portal/case/Index.vue b/src/views/portal/case/Index.vue
index 7a3f91b5..0cedc298 100644
--- a/src/views/portal/case/Index.vue
+++ b/src/views/portal/case/Index.vue
@@ -1507,7 +1507,7 @@ export default {
                 };
               });
               res.result.list.forEach(item=>{
-                item.viewRankTags = item.viewRankTags.slice(0,2)
+                item.viewRankTags = item.viewRankTags?.slice(0,2)||[]
               })
               this.caseList.list = res.result.list
               this.getCaseUserData(res.result.list);
@@ -1562,7 +1562,7 @@ export default {
                 };
               });
               res.result.list.forEach(item=>{
-                item.viewRankTags = item.viewRankTags.slice(0,2)
+                item.viewRankTags = item.viewRankTags?.slice(0,2)||[]
               })
               this.caseList.list = res.result.list
               this.getCaseUserData(res.result.list);
@@ -1601,7 +1601,7 @@ export default {
           }
           // console.log(res?.result?.list ,'有没有数据');
           res.result.list.forEach(item=>{
-            item.viewRankTags = item.viewRankTags.slice(0,2)
+            item.viewRankTags = item.viewRankTags?.slice(0,2)||[]
           })
           this.caseList.list = res.result.list
           this.getCaseUserData(res.result.list);
diff --git a/src/views/study/Courses.vue b/src/views/study/Courses.vue
index f83bb31a..16e767c1 100644
--- a/src/views/study/Courses.vue
+++ b/src/views/study/Courses.vue
@@ -253,8 +253,8 @@ export default {
         if(res.status==200){
             let localCourseIds=[];//本地在线课程的id集合
             res.result.list.forEach(item=>{
-              if(item.courseImage.startsWith('/upload')){
-                 item.courseImage=$this.fileUrl+item.courseImage.substring(7)
+              if(item.courseImage?.startsWith('/upload')){
+                 item.courseImage=$this.fileUrl+item.courseImage?.substring(7)
               }
               if(item.source==2){
                 localCourseIds.push(item.id);