diff --git a/src/pages/modules/teach/teach.vue b/src/pages/modules/teach/teach.vue
index f17844c..7cd8413 100644
--- a/src/pages/modules/teach/teach.vue
+++ b/src/pages/modules/teach/teach.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="main-container main-container_l">
     <div class="iframe_wrap">
-      <iframe class="iframe" src="./static/Magic4/HMI_JavaApp_FullScreen.html" frameborder="0" vspace="70"></iframe>
+      <iframe class="iframe" src="./static/Magic4/HMI_JavaApp_FullScreen.html" frameborder="0"></iframe>
     </div>
   </div>
 </template>
@@ -16,8 +16,5 @@
   _wh(100%, 100%)
   overflow hidden
 .iframe
-  position absolute
-  top -70px
-  left 0
   _wh(100%, 100%)
 </style>