diff --git a/src/views/overview/overviewSimple.vue b/src/views/overview/overviewSimple.vue
index ee1e2d9..107d37e 100644
--- a/src/views/overview/overviewSimple.vue
+++ b/src/views/overview/overviewSimple.vue
@@ -64,6 +64,7 @@
       </transition>
     </div>
     <div id="mars3dContainer" class="mars3d-container"/>
+    <div class="cover"/>
   </div>
 </template>
 
@@ -765,4 +766,13 @@
       margin-bottom: 0px !important;
     }
   }
+  .cover{
+    position: absolute;
+    bottom: 3px;
+    left: 0px;
+    /*background-color: red;*/
+    background-color: #2d3b43;
+    width: 100px;
+    height: 25px;
+  }
 </style>