fix bug

src/components/drawers/AddOnline.vue

@@ -5,7 +5,7 @@
   <a-drawer
       :visible="visible"
       class="drawerStyle addonlineDrawer"
-      width="80%"
+      width="800"
       title="添加在线"
       placement="right"
   >

src/components/drawers/CreateOnline.vue

@@ -7,13 +7,13 @@
       :footer="null"
       :centered="true"
       :maskClosable="false"
-      width="679"
-      height="437"
+      width="80%"
+      height="80%"
       @cancel="closeModal"
   >
     <iframe
         id="iframe"
-        style="width: 800px; height: 500px"
+        style="width: 100%; height: 600px"
         :src="iframeUrl + '/course/manages?f=choose'"
         name="myframe"
         security="restricted"