diff --git a/src/views/HomeView.vue b/src/views/HomeView.vue
index fec82ee..db6c6da 100644
--- a/src/views/HomeView.vue
+++ b/src/views/HomeView.vue
@@ -116,7 +116,7 @@ var T = window.T;
 
 const dropdown = reactive({
   value1: 0,
-  hinegh: 0,
+  hinegh: 256,
   value1: 0,
   value2: 0,
   value3: 0,
@@ -275,7 +275,6 @@ const init = () => {
   map = new T.Map("mapDiv");
   // map.setMapType(window.TMAP_SATELLITE_MAP);
   map.centerAndZoom(new T.LngLat(121.88356, 29.45144), 13);
-  dropdown.hinegh = document.body.clientHeight * 0.45;
   control = new T.Control.Zoom();
   //添加缩放平移控件
   map.addControl(control);
@@ -295,7 +294,12 @@ const yxfwxz = (e) => {
   list.index = e.id;
 };
 const mousedown = (event) => {
-  if (document.body.clientHeight - event.touches[0].clientY >= 256) {
+  if (
+    document.body.clientHeight - event.touches[0].clientY >= 256 &&
+    document.body.clientHeight - event.touches[0].clientY <=
+      document.body.clientHeight
+  ) {
+    console.log(event.touches[0].clientY);
     dropdown.hinegh = document.body.clientHeight - event.touches[0].clientY;
   }
 };
@@ -489,7 +493,7 @@ onMounted(() => {
   border-radius: 6px 6px 6px 6px;
   opacity: 1;
   border: 1px solid #eaeaea;
-  margin: 10px auto 0;
+  margin: 10px auto 3px;
   background-color: #eaeaea;
 }
 </style>