diff --git a/static/js/lib/common/MyUtils.js b/static/js/lib/common/MyUtils.js
index f31b59d..ad4976a 100644
--- a/static/js/lib/common/MyUtils.js
+++ b/static/js/lib/common/MyUtils.js
@@ -297,7 +297,8 @@ export class MyUtils {
         let nowFrontSize = ((curClientW / designWidth) / 10) + 'px';
         curDoc.style.fontSize = nowFrontSize;
         console.log("curClientW :", curClientW, "designWidth: ", designWidth, "-> ", nowFrontSize);
-        // let testDiv = document.getElementById("testDevice")
+        let testDiv = document.getElementById("testDevice");
+        testDiv.innerText += "\nnowFrontSize: " + nowFrontSize;
         // testDiv.innerText = testDiv.innerText +
         //     // "\n navigator_userAgent :" + navigator.userAgent.toLocaleLowerCase() +
         //     "\n isMobile :" + /mobi|android|iphone|ipad|ipod/i.test(navigator.userAgent.toLocaleLowerCase()) +
@@ -331,17 +332,29 @@ export class MyUtils {
             }
         }
 
-        let myEditFrontSize = document.getElementById("myEdit_main");
-        if (document.documentElement.clientWidth <= 720) {
-            myEditFrontSize.style.fontSize = (window.myEdit.ctx.editFrontSize + 6) + 'px';
-        } else {
-            myEditFrontSize.style.fontSize = window.myEdit.ctx.editFrontSize * dpr + 'px';
+        let curDoc = document.documentElement;//当前文档的 root 元素
+        let curClientW = curDoc.clientWidth;
+        if (!curClientW) {
+            return
         }
+
+        let designWidth = window.myEdit.ctx.designWith;
+        //set 1rem = viewWidth/10 (支持响应式)
+        let scaleFactor = curClientW / designWidth;
+
+        let myEditFrontSize = document.getElementById("myEdit_main");
+        // if (document.documentElement.clientWidth <= 720) {
+        //     myEditFrontSize.style.fontSize = (window.myEdit.ctx.editFrontSize + 6) + 'px';
+        // } else {
+        //     myEditFrontSize.style.fontSize = window.myEdit.ctx.editFrontSize * dpr + 'px';
+        // }
         // myEditFrontSize.style.fontSize = window.myEdit.ctx.editFrontSize * dpr + 'px';
+        myEditFrontSize.style.fontSize = window.myEdit.ctx.editFrontSize * scaleFactor + 'px';
+
 
         console.log("myEditFrontSize: ", myEditFrontSize.style.fontSize);
         let testDiv = document.getElementById("testDevice");
-        testDiv.innerText = "\nmyEditFrontSize:" + myEditFrontSize.style.fontSize;
+        testDiv.innerText += "\nmyEditFrontSize:" + myEditFrontSize.style.fontSize;
     }
 
     /**
diff --git a/static/js/lib/main.js b/static/js/lib/main.js
index 389125b..b8118ec 100644
--- a/static/js/lib/main.js
+++ b/static/js/lib/main.js
@@ -31,7 +31,7 @@ import {MyEventListener} from "./event/MyEventListener.js";
             /**
              * 默认body front-size 单位px
              */
-            editFrontSize: 12,
+            editFrontSize: 16,
             /**
              * 设计稿宽度 375
              */
@@ -173,7 +173,7 @@ window.onload = function () {
      * 使用说明
      */
     let testDiv = document.getElementById("testDevice");
-    testDiv.innerText += "\n\n ### info ###"+
+    testDiv.innerText += "\n\n ### info ###" +
         "\n'#空格': h1" +
         "\n'##空格': h2" +
         "\n'###空格': h3" +
diff --git a/static/yanxuelu.html b/static/yanxuelu.html
index d10d3d8..8a529a3 100644
--- a/static/yanxuelu.html
+++ b/static/yanxuelu.html
@@ -121,7 +121,7 @@
 
 <main id="myEdit_main">
     <!-- 标题   -->
-    <h3 style=" border: 1px blanchedalmond solid;">
+    <h3>
         测试编辑
     </h3>
     <!-- 内容   -->