diff --git a/Web/src/App.vue b/Web/src/App.vue
index 5f0d197..7fefb00 100644
--- a/Web/src/App.vue
+++ b/Web/src/App.vue
@@ -1,5 +1,12 @@
 <template>
   <van-config-provider :theme="theme" class="app-root">
+<pre
+  style="position:fixed; left:0; top:0; z-index:9999;
+         background:rgba(0,0,0,0.7); color:#0f0;
+         font-size:10px; max-height:50vh; overflow:auto;">
+  {{ log }}
+</pre>
+
     <div class="app-main">
       <RouterView />
     </div>
@@ -24,8 +31,32 @@
 import { RouterView, useRoute } from 'vue-router'
 import { ref, onMounted, onUnmounted, computed } from 'vue'
 
-const route = useRoute()
+const log = ref('')
 
+const updateInfo = () => {
+  log.value = JSON.stringify({
+    innerHeight: window.innerHeight,
+    outerHeight: window.outerHeight,
+    documentElementClientHeight: document.documentElement.clientHeight,
+    viewport: window.visualViewport
+      ? {
+          height: window.visualViewport.height,
+          offsetTop: window.visualViewport.offsetTop,
+        }
+      : null,
+  }, null, 2)
+}
+
+onMounted(() => {
+  updateInfo()
+  window.addEventListener('resize', updateInfo)
+})
+
+onUnmounted(() => {
+  window.removeEventListener('resize', updateInfo)
+})
+
+const route = useRoute()
 // 根据路由判断是否显示Tabbar
 const showTabbar = computed(() => {
   return route.path === '/' ||