update

src/components/studyStudent.vue

@@ -4796,6 +4796,9 @@ export default {
       this.fullUrl = url;
     },
     resize() {
+      var a = document.getElementsByClassName("box_course")[0].offsetHeight;
+      document.getElementsByClassName("vedioList")[0].style.height = a + "px";
+      document.getElementsByClassName("navBox")[0].style.height = a - 40 + "px";
       this.Stbodywidth = document.getElementsByClassName('student_body').length && document.getElementsByClassName('student_body')[0].offsetWidth
     }
   },