调整按钮位置

src/views/TreeSelection.vue

@@ -590,8 +590,8 @@ export default {
   }
   .left-btn {
     position: absolute;
-    left: 0.8rem;
-    top: 50%;
+    left: 2.8rem;
+    top: 68%;
     transform: translateY(-50%);
     height: 1.5rem;
     width: 1.5rem;
@@ -600,8 +600,8 @@ export default {
   }
   .right-btn {
     position: absolute;
-    right: 0.8rem;
-    top: 50%;
+    right: 2.8rem;
+    top: 68%;
     transform: translateY(-50%);
     height: 1.5rem;
     width: 1.5rem;