diff --git a/static/js/lib/biz/MyBiz.js b/static/js/lib/biz/MyBiz.js
index c446c2b..00fd81a 100644
--- a/static/js/lib/biz/MyBiz.js
+++ b/static/js/lib/biz/MyBiz.js
@@ -185,7 +185,7 @@ export class MyBiz {
             newParagraph.setAttribute("data-id", uuid)
             newParagraph.setAttribute("id", uuid)
             newParagraph.setAttribute("data-order", rowNo)
-            newParagraph.onkeydown = window.myEdit.eventListener.KeydownListener
+            newParagraph.onkeyup = window.myEdit.eventListener.KeydownListener
             // newParagraph.innerHTML = "<br>"
             window.myEdit.ctx.MyRoot.appendChild(newParagraph)
             window.myEdit.ctx.MyDocMap.set(rowNo, new MyMapItem(uuid))
@@ -209,7 +209,7 @@ export class MyBiz {
 
     /**
      * 更新文档
-     * @param {*} e
+     * @param {*} curP
      */
     updateText(curP) {
         if (window.myEdit.ctx.inCompositionEvent) {
@@ -244,12 +244,17 @@ export class MyBiz {
         let myDocItem = new MyDocItem(curP);
         let inputLength = curP.innerText.length
         console.log("emptyKeyWorkHandler :", curP, " _'", curP.innerHTML, "'_'", curP.innerText, "'_",
-            "\neq00", curP.innerHTML.startsWith("&nbsp;#&nbsp;"),
-            "\neq01", curP.innerHTML.startsWith(" # "),
-            "\neq1", curP.innerText.startsWith("#&nbsp;"),
-            "\neq2", curP.innerText.startsWith("#"),
+            "\neq1", curP.innerHTML.startsWith("&nbsp;#&nbsp;"),
+            "\neq2", curP.innerHTML.startsWith(" # "),
             "\neq3", curP.innerHTML.startsWith("#&nbsp;"),
-            "\neq4", curP.innerHTML.startsWith("# "))
+            "\neq4", curP.innerHTML.startsWith("# "),
+
+            "\neqV1", curP.innerText.startsWith("&nbsp;#&nbsp;"),
+            "\neqV2", curP.innerText.startsWith(" # "),
+            "\neqV3", curP.innerText.startsWith("#&nbsp;"),
+            "\neqV4", curP.innerText.startsWith("# "),
+
+           )
         /**
          * h1 ~ h6
          */
@@ -349,7 +354,7 @@ export class MyBiz {
         newParagraph.setAttribute("data-id", curP.getAttribute("data-id"))
         newParagraph.setAttribute("id", curP.getAttribute("data-id"))
         newParagraph.setAttribute("data-order", curP.getAttribute("data-order"))
-        newParagraph.onkeydown = window.myEdit.eventListener.KeydownListener
+        newParagraph.onkeyup = window.myEdit.eventListener.KeydownListener
 
         //todo 支持 有数据的行 在行首输入 #
         // if()
diff --git a/static/js/lib/event/MyEventListener.js b/static/js/lib/event/MyEventListener.js
index 0177a32..67b3905 100644
--- a/static/js/lib/event/MyEventListener.js
+++ b/static/js/lib/event/MyEventListener.js
@@ -67,13 +67,23 @@ export class MyEventListener {
      * @param e
      * @constructor
      */
-    WindowsCtrZHandle(e) {
+    WindowsKeydownHandle(e) {
         const event = window.myEdit.utils.ParseEvent(e);
         const keyCode = window.myEdit.utils.GetKeyCode(event);
         const metaKey = event.metaKey;
+
+        let testDiv = document.getElementById("testDevice")
+        testDiv.innerText = "键盘输入: keyCode:" + keyCode +
+            "\nmetaKey:" + metaKey;
+
         if (metaKey && keyCode === 90) {
             window.myEdit.biz.cancelHandle(event);
         }
+
+        //回车事件,禁止处理。防止生成 div
+        if (keyCode === 13) {
+            window.myEdit.utils.ProhibitDefaultEvent(event);
+        }
     }
 
     /**
diff --git a/static/js/lib/main.js b/static/js/lib/main.js
index 2c16f7d..502cb01 100644
--- a/static/js/lib/main.js
+++ b/static/js/lib/main.js
@@ -108,9 +108,11 @@ import {MyEventListener} from "./event/MyEventListener.js";
     window.addEventListener('resize', window.myEdit.utils.RefreshRootFrontSize);
     window.addEventListener('resize', window.myEdit.utils.RefreshBodyFrontSize);
     /**
-     * 窗口撤销事件
+     * 窗口撤销事件.
+     * js中的键盘事件只有三种：keydown、keyup、keypress。它们触发的顺序是：keydown -> keypress -> keyup。当按下一个键不放开，一般会重复地触发 keydown+keypress，直到放开后触发一个 keyup 事件。
+     *
      */
-    window.addEventListener('keydown', window.myEdit.eventListener.WindowsCtrZHandle, true);
+    window.addEventListener('keydown', window.myEdit.eventListener.WindowsKeydownHandle, true);
 }());
 
 /**
@@ -137,7 +139,7 @@ window.onload = function () {
     newParagraph.setAttribute("data-id", uuid)
     newParagraph.setAttribute("id", uuid)
     newParagraph.setAttribute("data-order", curOrder)
-    newParagraph.onkeydown = window.myEdit.eventListener.KeydownListener
+    newParagraph.onkeyup = window.myEdit.eventListener.KeydownListener
     // newParagraph.innerHTML = "<br>"
     //添加一行
     window.myEdit.utils.AddNewParagraph(newParagraph);