diff --git a/src/index.js b/src/index.js
index fa56d43..9f574e5 100644
--- a/src/index.js
+++ b/src/index.js
@@ -149,6 +149,14 @@ class AdminFramework {
       store: this.store,
       render: h => h('router-view'),
       async created() {
+        // 初始化响应式 rem 设置
+        uiTool.setRem()
+
+        // 监听窗口大小变化，重新设置 rem
+        window.addEventListener('resize', () => {
+          uiTool.setRem()
+        })
+
         console.log('=== Admin Framework App Started ===')
         console.log('Framework Version:', framework.version)
         console.log('Config:', this.$config)