diff --git a/Web/src/App.vue b/Web/src/App.vue
index a2f87f5..e0e5901 100644
--- a/Web/src/App.vue
+++ b/Web/src/App.vue
@@ -403,9 +403,8 @@ onMounted(() => {
   /* 重置所有 padding，然后只添加安全区域 */
   padding: 0 !important;
   padding-bottom: env(safe-area-inset-bottom, 0px) !important;
-  height: auto !important;
-  min-height: 50px !important;
-  box-sizing: content-box !important;
+  height: calc(50px + env(safe-area-inset-bottom, 0px)) !important;
+  box-sizing: border-box !important;
   background: var(--bg-primary) !important;
   border-top: 1px solid var(--bg-tertiary);
 }