diff --git a/CHANGES.md b/CHANGES.md
index 2b349eff0bd..53cc8e5f087 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -38,6 +38,7 @@ Apollo 2.1.0
 * [fix Grayscale release Item Value length limit can not be synchronized with its main version](https://github.com/apolloconfig/apollo/pull/4622)
 * [feat: use can change spring.profiles.active's value without rebuild project](https://github.com/apolloconfig/apollo/pull/4616)
 * [refactor: remove app.properties and move some config file's location](https://github.com/apolloconfig/apollo/pull/4637)
+* [Fix the problem of deleting blank items appear at the end](https://github.com/apolloconfig/apollo/pull/4662)
 
 ------------------
 All issues and pull requests are [here](https://github.com/apolloconfig/apollo/milestone/11?closed=1)
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/txtresolver/PropertyResolver.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/txtresolver/PropertyResolver.java
index 1d8833630b6..f7dd9b46e82 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/txtresolver/PropertyResolver.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/txtresolver/PropertyResolver.java
@@ -194,8 +194,9 @@ private void deleteCommentAndBlankItem(Map<Integer, ItemDTO> oldLineNumMapItem,
 
       //1. old is blank by now is not
       //2.old is comment by now is not exist or modified
+      //3.old is blank by now is not exist or modified
       if ((isBlankItem(oldItem) && !isBlankItem(newItem))
-          || isCommentItem(oldItem) && (newItem == null || !newItem.equals(oldItem.getComment()))) {
+              || (isCommentItem(oldItem) || isBlankItem(oldItem)) && (newItem == null || !newItem.equals(oldItem.getComment()))) {
         changeSets.addDeleteItem(oldItem);
       }
     }