diff --git a/src/renderer/src/views/prepare/container/kj-list-item.vue b/src/renderer/src/views/prepare/container/kj-list-item.vue
index 57bbc7d..64e4ebe 100644
--- a/src/renderer/src/views/prepare/container/kj-list-item.vue
+++ b/src/renderer/src/views/prepare/container/kj-list-item.vue
@@ -168,7 +168,7 @@ export default {
     },
     clickStartClass(item) {
       this.getOpenCourse().then(res=>{
-        if(!res){
+        if(!res||!res.bookImg){
           this.$emit('on-start-class', item)
         }else{
           ElMessageBox.alert('<strong>上次课程尚未结束，是否继续上课？</strong>', '', {