fix: root font-size automatic adaptation

src/App.vue

@@ -53,18 +53,19 @@ watch(
   }
 )
 
-function setVh() {
+function resetVhAndPx() {
   let vh = window.innerHeight * 0.01
   document.documentElement.style.setProperty('--vh', `${vh}px`)
+  document.documentElement.style.fontSize = document.documentElement.clientWidth / 375 + 'px'
 }
 
 onMounted(() => {
   store.init()
-  setVh()
+  resetVhAndPx()
   // 监听resize事件 视图大小发生变化就重新计算1vh的值
   window.addEventListener('resize', () => {
     location.href = BASE_URL + '/'
-    setVh()
+    resetVhAndPx()
   })
 })
 </script>