diff --git a/frontend/src/business/components/performance/v_node_diff.js b/frontend/src/business/components/performance/v_node_diff.js
index b5683dc45a..e1b2d205f1 100644
--- a/frontend/src/business/components/performance/v_node_diff.js
+++ b/frontend/src/business/components/performance/v_node_diff.js
@@ -210,7 +210,7 @@ function sameDetail(oldVnode,newVnode,sameNode){
   if(isDef(oldVnode.children)&&isDef(newVnode.children)){
     sameChildren(oldVnode.children,newVnode.children,sameNode)
   }
-  //剩最后的子节点的时候，分类型做判断
+  //剩最后的子节点的时候，分类型做判断，如果最后的子节点有一个不相同，sameNode就置空，
   if(isUndef(oldVnode.child)&&isUndef(newVnode.child)&&isUndef(oldVnode.children)&&isUndef(newVnode.children)){
     if(isDef(oldVnode.text)&&isDef(newVnode.text)){
       if(oldVnode.text===newVnode.text){
@@ -233,6 +233,12 @@ function sameDetail(oldVnode,newVnode,sameNode){
         }else{
           sameNode.nodeArray = [];
         }
+      }else if(oldVnode.tag==='textarea'&&newVnode.tag==='textarea'){
+        if(oldVnode.elm.value===newVnode.elm.value){
+          sameNode.nodeArray.push(newVnode.elm);
+        }else {
+          sameNode.nodeArray = [];
+        }
       }
     }
     else {
@@ -288,7 +294,7 @@ function diffDetail(oldVnode,newVnode,diffNode){
           diffNode.nodeArray.push(newVnode.elm);
         }
     }else if(isDef(oldVnode.tag)&&isDef(newVnode.tag)){
-      if((oldVnode.tag==='input'&&newVnode.tag==='input')||(oldVnode.tag==='textarea'&&newVnode.tag==='textarea')){
+      if(oldVnode.tag==='input'&&newVnode.tag==='input'){
         if(oldVnode.elm.value!==newVnode.elm.value){
           diffNode.oldNodeArray.push(oldVnode.elm);
           diffNode.nodeArray.push(newVnode.elm);
@@ -300,6 +306,11 @@ function diffDetail(oldVnode,newVnode,diffNode){
             }
           }
         }
+      }else if(oldVnode.tag==='textarea'&&newVnode.tag==='textarea'){
+        if(oldVnode.elm.value!==newVnode.elm.value){
+          diffNode.oldNodeArray.push(oldVnode.elm);
+          diffNode.nodeArray.push(newVnode.elm);
+        }
       }
     }
     else {