diff --git a/.github/labels.yml b/.github/labels.yml
index 078ca81e..46b48550 100644
--- a/.github/labels.yml
+++ b/.github/labels.yml
@@ -4,7 +4,10 @@
 - name: release/bug
   description: bug pr recoded in new release
   color: d73a4a
-- name: release/feature
+- name: release/feature-changed
+  description: feature pr recoded in new release
+  color: 0075ca
+- name: release/feature-new
   description: feature pr recoded in new release
   color: 0075ca
 - name: release/none
diff --git a/.github/workflows/call-release-changelog.yaml b/.github/workflows/call-release-changelog.yaml
index bafae67a..e6b57255 100644
--- a/.github/workflows/call-release-changelog.yaml
+++ b/.github/workflows/call-release-changelog.yaml
@@ -2,7 +2,8 @@ name: Call Release Changelog
 
 env:
   SCRIPT_PATH: "./tools/scripts/changelog.sh"
-  LABEL_FEATURE: "release/feature"
+  LABEL_FEATURE: "release/feature-new"
+  LABEL_CHANGED: "release/feature-changed"
   LABEL_BUG: "release/bug"
   DEST_BRANCH: github_pages
   DEST_DIRECTORY: 'changelogs/'
@@ -82,6 +83,7 @@ jobs:
         run: |
           set -x
           export LABEL_FEATURE=${{ env.LABEL_FEATURE }}
+          export LABEL_CHANGED=${{ env.LABEL_CHANGED }}
           export LABEL_BUG=${{ env.LABEL_BUG }}
           export PROJECT_REPO=${{ github.repository }}
           export GH_TOKEN=${{ github.token }}
diff --git a/.github/workflows/pr-label-check.yaml b/.github/workflows/pr-label-check.yaml
index ad1090dd..76590e6d 100644
--- a/.github/workflows/pr-label-check.yaml
+++ b/.github/workflows/pr-label-check.yaml
@@ -7,7 +7,7 @@ on:
     types: [opened, labeled, unlabeled, synchronize]
 
 env:
-  LEASE_ONE_OF_LABELS: "release/bug release/feature release/none pr/robot_update"
+  LEASE_ONE_OF_LABELS: "release/bug release/feature-new release/feature-changed release/none pr/robot_update"
   FORBID_LABELS: "pr/not-ready not-ready"
 
 jobs:
diff --git a/docs/develop/release.md b/docs/develop/release.md
index f8e40742..0897a602 100644
--- a/docs/develop/release.md
+++ b/docs/develop/release.md
@@ -6,21 +6,21 @@
 
 * update version in '/VERSION'
 
-* a version tag should be set on right branch. The version should go with
+* a version tag should be set on right branch. The version should go with 
 
-	* v0.1.0-rc0
+    * v0.1.0-rc0
 
-	* v0.1.0-rc1
+    * v0.1.0-rc1
 
-	* v0.1.0
-
-	* v0.1.1
-
-	* v0.1.2
-
-	* v0.2.0-rc0
-
-	* v0.2.0
+    * v0.1.0
+  
+    * v0.1.1
+  
+    * v0.1.2
+  
+    * v0.2.0-rc0
+  
+    * v0.2.0
 
 ## push a version tag
 
@@ -34,19 +34,19 @@ If a tag vx.x.x is pushed , the following steps will automatically run:
 
 4. generate the changelog by historical PR labeled as "pr/release/*"
 
-   submit the changelog file to directory 'changelogs' of branch 'github_pages', with PR labeled as "pr/release/robot_update_githubpage".
+    submit the changelog file to directory 'changelogs' of branch 'github_pages', with PR labeled as "pr/release/robot_update_githubpage".
 
-   changelogs is generated by historical PR label:
+    changelogs is generated by historical PR label:
 
-   label "pr/release/feature-new" to be classified to "New Features"
+    label "release/feature-new" to be classified to "New Features"
 
-   label "pr/release/feature-changed" to be classified to "Changed Features"
+    label "release/feature-changed" to be classified to "Changed Features"
 
-   label "pr/release/feature-bug" to be classified to "Fixes"
+    label "release/bug" to be classified to "Fixes"
 
-5. build the chart package with the pushed tag, and submit a PR to branch 'github_pages'
+5. build the chart package with the pushed tag, and submit a PR to branch 'github_pages' 
 
-   you cloud get the chart with command `helm repo add $REPO_NAME https://spidernet-io.github.io/$REPO_NAME `
+    you cloud get the chart with command `helm repo add $REPO_NAME https://kdoctor-io.github.io/$REPO_NAME `
 
 6. submit '/docs' to '/docs' of branch 'github_pages'
 
diff --git a/tools/scripts/changelog.sh b/tools/scripts/changelog.sh
index b0ba2d92..98f929c5 100755
--- a/tools/scripts/changelog.sh
+++ b/tools/scripts/changelog.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 
-# Copyright 2022 Authors of spidernet-io
+# Copyright 2022 Authors of kdoctor-io
 # SPDX-License-Identifier: Apache-2.0
 
 # usage:
-#  GH_TOKEN=${{ github.token }} LABEL_FEATURE="release/feature-new" LABEL_BUG="release/bug" PROJECT_REPO="spidernet-io/spiderpool" changelog.sh ./ v0.3.6
-#  GH_TOKEN=${{ github.token }} LABEL_FEATURE="release/feature-new" LABEL_BUG="release/bug" PROJECT_REPO="spidernet-io/spiderpool" changelog.sh ./ v0.3.6 v0.3.5
+#  GH_TOKEN=${{ github.token }} LABEL_FEATURE="release/feature-new" LABEL_CHANGED="release/feature-changed" LABEL_BUG="release/bug" PROJECT_REPO="xxx/xxx" changelog.sh  ./ v0.3.6
+#  GH_TOKEN=${{ github.token }} LABEL_FEATURE="release/feature-new" LABEL_CHANGED="release/feature-changed" LABEL_BUG="release/bug" PROJECT_REPO="xxx/xxx" changelog.sh  ./ v0.3.6 v0.3.5
 
 
 CURRENT_DIR_PATH=$(cd `dirname $0`; pwd)
@@ -16,23 +16,29 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-#required
+# optional
 OUTPUT_DIR=${1}
-#required
+# required
 DEST_TAG=${2}
 # optional
 START_TAG=${3:-""}
 
-#required
-LABEL_FEATURE=${LABEL_FEATURE}
-#required
-LABEL_BUG=${LABEL_BUG}
-#required
-PROJECT_REPO=${PROJECT_REPO}
 
+LABEL_FEATURE=${LABEL_FEATURE:-"release/feature-new"}
+LABEL_CHANGED=${LABEL_BUG:-"release/feature-changed"}
+LABEL_BUG=${LABEL_BUG:-"release/bug"}
+PROJECT_REPO=${PROJECT_REPO:-""}
+[ -n "$PROJECT_REPO" ] || { echo "miss PROJECT_REPO"; exit 1 ; }
+[ -n "${GH_TOKEN}" ] || { echo "error, miss GH_TOKEN"; exit 1 ; }
+
+( cd ${OUTPUT_DIR} ) || { echo "error, OUTPUT_DIR '${OUTPUT_DIR}' is not a valid directory" ; exit 1 ; }
 OUTPUT_DIR=$(cd ${OUTPUT_DIR}; pwd)
 echo "generate changelog to directory ${OUTPUT_DIR}"
-cd ${OUTPUT_DIR}
+
+# change to root for git cli
+cd ${PROJECT_ROOT_PATH}
+
+#============================
 
 ORIGIN_START_TAG=${START_TAG}
 if [ -z "${START_TAG}" ] ; then
@@ -101,22 +107,36 @@ echo "DEST_TAG=${DEST_TAG}"
 echo "START_TAG=${START_TAG}"
 
 # check whether tag START_TAG  exists
-ALL_PR_INFO=""
+ALL_COMMIT=""
 if [ -z "${ORIGIN_START_TAG}" ] && (( START_X == 0 )) && (( START_Y == 0 )) && (( START_Z == 0 )); then
-	ALL_PR_INFO=`git log ${DEST_TAG} --reverse --merges --oneline` \
+	ALL_COMMIT=`git log ${DEST_TAG} --reverse --oneline | awk '{print $1}' | tr '\n'  ' ' ` \
 		|| { echo "error, failed to get PR for tag ${DEST_TAG} " ; exit 1 ; }
 else
-	ALL_PR_INFO=`git log ${START_TAG}..${DEST_TAG} --reverse --merges --oneline` \
+	ALL_COMMIT=`git log ${START_TAG}..${DEST_TAG} --reverse  --oneline | awk '{print $1}' | tr '\n'  ' ' ` \
 		|| { echo "error, failed to get PR for tag ${DEST_TAG} " ; exit 1 ; }
 fi
+echo "ALL_COMMIT: ${ALL_COMMIT}"
 
-ALL_PR_NUM=` grep -oE " Merge pull request #[0-9]+ " <<< "$ALL_PR_INFO" | grep -oE "[0-9]+" `
-TOTAL_COUNT=` wc -l <<< "${ALL_PR_NUM}" `
-
+TOTAL_COUNT="0"
+PR_LIST=""
 #
 FEATURE_PR=""
+CHANGED_PR=""
 FIX_PR=""
-for PR in ${ALL_PR_NUM} ; do
+for COMMIT in ${ALL_COMMIT} ; do
+  # API RATE LIMIT
+  # https://docs.github.com/en/rest/overview/resources-in-the-rest-api?apiVersion=2022-11-28#rate-limiting
+  # When using GITHUB_TOKEN, the rate limit is 1,000 requests per hour per repository
+  # GitHub Enterprise Cloud's rate limit applies, and the limit is 15,000 requests per hour per repository.
+  COMMIT_INFO=` curl -s -H "Accept: application/vnd.github.groot-preview+json" -H "Authorization: Bearer ${GH_TOKEN}" https://api.github.com/repos/${PROJECT_REPO}/commits/${COMMIT}/pulls `
+  PR=` jq -r '.[].number' <<< "${COMMIT_INFO}" `
+  [ -n "${PR}" ] || { echo "warning, failed to find PR number for commit ${COMMIT} " ; echo "${COMMIT_INFO}" ; echo "" ; continue ; }
+  if grep " ${PR} " <<< " ${PR_LIST} " &>/dev/null ; then
+    continue
+  else
+    PR_LIST+=" ${PR} "
+  fi
+  (( TOTAL_COUNT+=1 ))
 	INFO=` gh pr view ${PR}  `
 	TITLE=` grep -E "^title:[[:space:]]+" <<< "$INFO" | sed -E 's/title:[[:space:]]+//' `
 	LABELS=` grep -E "^labels:[[:space:]][^\[]" <<< "$INFO" | sed -E 's/labels://' | tr ',' ' ' ` || true
@@ -124,9 +144,15 @@ for PR in ${ALL_PR_NUM} ; do
 	PR_URL="https://github.com/${PROJECT_REPO}/pull/${PR}"
 	#
 	if grep -E "[[:space:]]${LABEL_FEATURE}[[:space:]]" <<< " ${LABELS} " &>/dev/null ; then
+	  echo "get new feature PR ${PR}"
 		FEATURE_PR+="* ${TITLE} : [PR ${PR}](${PR_URL})
+"
+	elif grep -E "[[:space:]]${LABEL_CHANGED}[[:space:]]" <<< " ${LABELS} " &>/dev/null ; then
+	  echo "get changed feature PR ${PR}"
+		CHANGED_PR+="* ${TITLE} : [PR ${PR}](${PR_URL})
 "
 	elif grep -E "[[:space:]]${LABEL_BUG}[[:space:]]" <<< " ${LABELS} " &>/dev/null ; then
+	  echo "get bug fix PR ${PR}"
 		FIX_PR+="* ${TITLE} : [PR ${PR}](${PR_URL})
 "
 	fi
@@ -141,7 +167,7 @@ echo "***" >> ${FILE_CHANGELOG}
 echo "" >> ${FILE_CHANGELOG}
 #
 if [ -n "${FEATURE_PR}" ]; then
-    echo "## Feature" >> ${FILE_CHANGELOG}
+    echo "## New Feature" >> ${FILE_CHANGELOG}
     echo "" >> ${FILE_CHANGELOG}
     while read LINE ; do
       echo "${LINE}" >> ${FILE_CHANGELOG}
@@ -151,6 +177,17 @@ if [ -n "${FEATURE_PR}" ]; then
     echo "" >> ${FILE_CHANGELOG}
 fi
 #
+if [ -n "${CHANGED_PR}" ]; then
+    echo "## Changed Feature" >> ${FILE_CHANGELOG}
+    echo "" >> ${FILE_CHANGELOG}
+    while read LINE ; do
+      echo "${LINE}" >> ${FILE_CHANGELOG}
+      echo "" >> ${FILE_CHANGELOG}
+    done <<< "${CHANGED_PR}"
+    echo "***" >> ${FILE_CHANGELOG}
+    echo "" >> ${FILE_CHANGELOG}
+fi
+#
 if [ -n "${FIX_PR}" ]; then
     echo "## Fix" >> ${FILE_CHANGELOG}
     echo "" >> ${FILE_CHANGELOG}
@@ -162,8 +199,10 @@ if [ -n "${FIX_PR}" ]; then
     echo "" >> ${FILE_CHANGELOG}
 fi
 #
-echo "## Totoal PR" >> ${FILE_CHANGELOG}
+echo "## Totoal " >> ${FILE_CHANGELOG}
+echo "" >> ${FILE_CHANGELOG}
+echo "Pull request number: ${TOTAL_COUNT}" >> ${FILE_CHANGELOG}
 echo "" >> ${FILE_CHANGELOG}
-echo "[ ${TOTAL_COUNT} PR](https://github.com/${PROJECT_REPO}/compare/${START_TAG}...${DEST_TAG})" >> ${FILE_CHANGELOG}
+echo "[ Commits ](https://github.com/${PROJECT_REPO}/compare/${START_TAG}...${DEST_TAG})" >> ${FILE_CHANGELOG}
 echo "--------------------"
 echo "generate changelog to ${FILE_CHANGELOG}"