update

src/components/trainCourse/studyStudent.vue

@@ -22666,7 +22666,7 @@ ol {
   line-height: 60px;
   font-size: 20px;
   cursor: pointer;
-  background-image: url("../../../assets/icon/conSentences/titleBorder.png");
+  background-image: url("../../assets/icon/conSentences/titleBorder.png");
   background-size: cover;
   transition: all 2s;
   margin-right: 20px;