diff --git a/static/js/event/impl/MutationObserverImpl.js b/static/js/event/impl/MutationObserverImpl.js
index 62a4aef..224a55d 100644
--- a/static/js/event/impl/MutationObserverImpl.js
+++ b/static/js/event/impl/MutationObserverImpl.js
@@ -48,14 +48,15 @@ define(function (require, exports, module) {
 
     function addNewP(mutation) {
         let target = mutation.target;
+        // target.clone()
         if (target.nodeName === "DIV" && mutation.previousSibling !== null) {
-            let targetP = mutation.previousSibling.nextSibling;
+            let newParagraph = mutation.previousSibling.nextSibling;
             console.log(
                 "addNewP target: ", target,
                 "\nnodeType: ", target.nodeType,
                 "\nnodeName: ", target.nodeName,
                 "\ndata: ", target.value,
-                "\n next: ", targetP
+                "\n next: ", newParagraph
             )
 
 
@@ -64,11 +65,11 @@ define(function (require, exports, module) {
             if (ctx.getCurRowNo() === 0) {
                 return
             }
-            if (targetP !== undefined && targetP !== null) {
-                targetP.id = utils.Uuid(ctx.usn, ctx.docType);
-                targetP.setAttribute("data-order", ctx.incrementNumThenReturn());
+            if (newParagraph !== undefined && newParagraph !== null) {
+                newParagraph.id = utils.Uuid(ctx.usn, ctx.docType);
+                newParagraph.setAttribute("data-order", ctx.incrementNumThenReturn());
 
-                let newParagraph = document.getElementById(targetP.id);
+                // let newParagraph = document.getElementById(targetP.id);
                 //前置 span
                 let preSpan = newParagraph.querySelector("span[data-flag='span_pre']");
                 if (preSpan === undefined || preSpan === null) {
@@ -76,6 +77,8 @@ define(function (require, exports, module) {
                     preSpan.setAttribute("contenteditable", "false")
                     preSpan.setAttribute("data-flag", "span_pre")
                     newParagraph.appendChild(preSpan);
+                } else {
+                    console.log("newParagraph preSpan exist ", newParagraph," ",preSpan)
                 }
 
                 //内置span
@@ -85,16 +88,10 @@ define(function (require, exports, module) {
                     spanContent.append(document.createElement("br"));
                     spanContent.setAttribute("data-flag", "span_content")
                     newParagraph.appendChild(spanContent);
+                } else {
+                    console.log("newParagraph preSpan spanContent ", newParagraph)
                 }
 
-                // newParagraph.innerHTML = '<span contenteditable="false" data-flag="span_pre"></span><span data-flag="span_content"><br/></span>'
-
-                // newParagraph.insertAdjacentHTML('beforeend',
-                //     '<span contenteditable="false" data-flag="span_pre"></span><span data-flag="span_content"><br></span>');
-                console.log("newParagraph addChildren ", newParagraph)
-                //收起选区到一个点，光标落在一个可编辑元素上
-                // utils.GetSelection().removeAllRanges();
-                // utils.GetSelection().setPosition(newParagraph, 0);
                 utils.GetSelection().setPosition(spanContent, 0);
                 spanContent.focus();
             }