diff --git a/static/js/lib/common/MyUtils.js b/static/js/lib/common/MyUtils.js
index 56e6bef..f31b59d 100644
--- a/static/js/lib/common/MyUtils.js
+++ b/static/js/lib/common/MyUtils.js
@@ -273,12 +273,12 @@ export class MyUtils {
             "\nwindow.webkit: ", window.webkit,
             "\nwindow.gecko: ", window.gecko,
             "\nwindow.opera: ", window.opera)
-        let testDiv = document.getElementById("testDevice")
-        testDiv.innerText = testDiv.innerText +
-            "\n ie: " + window.ie +
-            "\n window.webkit: " + window.webkit +
-            "\n window.gecko: " + window.gecko +
-            "\n window.opera: " + window.opera
+        // let testDiv = document.getElementById("testDevice")
+        // testDiv.innerText = testDiv.innerText +
+        //     "\n ie: " + window.ie +
+        //     "\n window.webkit: " + window.webkit +
+        //     "\n window.gecko: " + window.gecko +
+        //     "\n window.opera: " + window.opera
     }
 
     /**
@@ -297,15 +297,15 @@ 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")
-        testDiv.innerText = testDiv.innerText +
-            // "\n navigator_userAgent :" + navigator.userAgent.toLocaleLowerCase() +
-            "\n isMobile :" + /mobi|android|iphone|ipad|ipod/i.test(navigator.userAgent.toLocaleLowerCase()) +
-            "\n isIOS :" + /iphone|ipad|ipod/.test(window.navigator.userAgent.toLocaleLowerCase()) +
-            "\n isAndroid :" + /android/.test(window.navigator.userAgent.toLocaleLowerCase()) +
-            "\n curClientW :" + curClientW +
-            " \n designWidth: " + designWidth +
-            "\n 1rem =  " + nowFrontSize
+        // let testDiv = document.getElementById("testDevice")
+        // testDiv.innerText = testDiv.innerText +
+        //     // "\n navigator_userAgent :" + navigator.userAgent.toLocaleLowerCase() +
+        //     "\n isMobile :" + /mobi|android|iphone|ipad|ipod/i.test(navigator.userAgent.toLocaleLowerCase()) +
+        //     "\n isIOS :" + /iphone|ipad|ipod/.test(window.navigator.userAgent.toLocaleLowerCase()) +
+        //     "\n isAndroid :" + /android/.test(window.navigator.userAgent.toLocaleLowerCase()) +
+        //     "\n curClientW :" + curClientW +
+        //     " \n designWidth: " + designWidth +
+        //     "\n 1rem =  " + nowFrontSize
     }
 
 
@@ -341,7 +341,7 @@ export class MyUtils {
 
         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 b99e8a0..4f70564 100644
--- a/static/js/lib/main.js
+++ b/static/js/lib/main.js
@@ -170,15 +170,17 @@ window.onload = function () {
 
 
     /**
-     * 监听手机键盘
+     * 使用说明
      */
-    if (window.myEdit.ctx.isMobile) {
-        if (window.myEdit.ctx.isIOS) {
-            // window.addEventListener("")
-        } else if (window.myEdit.ctx.isAndroid) {
-
-        }
-
-    }
+    let testDiv = document.getElementById("testDevice");
+    testDiv.innerText += "\n\n ### info ###"+
+        "\n'# ': h1" +
+        "\n'## ': h2" +
+        "\n'### ': h3" +
+        "\n'#### ': h4" +
+        "\n'##### ': h5" +
+        "\n'###### ': h6" +
+        "\n'- ': 无序列表" +
+        "\n'num ': 有序序列表"
 }