update

src/components/classRoomHelper/index.vue

@@ -671,4 +671,21 @@ export default {
 .itemFold > div > span{
 	margin-left:10px;
 }
+
+@media screen and (max-height: 820px) {
+	.ch_nav_box_bottom > div {
+		height: auto;
+		padding: 8px 0;
+	}
+
+	.ch_nav_box_middle_item{
+		height: auto;
+		padding: 8px 0;
+	}
+
+	.ch_nav_box_top > div{
+		height: auto;
+		padding: 8px 0;
+	}
+}
 </style>