diff --git a/tools/scripts/changelog.sh b/tools/scripts/changelog.sh
index 3c3cc3132..980d6d120 100755
--- a/tools/scripts/changelog.sh
+++ b/tools/scripts/changelog.sh
@@ -25,7 +25,7 @@ START_TAG=${3:-""}
 
 
 LABEL_FEATURE=${LABEL_FEATURE:-"release/feature-new"}
-LABEL_CHANGED=${LABEL_BUG:-"release/feature-changed"}
+LABEL_CHANGED=${LABEL_CHANGED:-"release/feature-changed"}
 LABEL_BUG=${LABEL_BUG:-"release/bug"}
 PROJECT_REPO=${PROJECT_REPO:-""}
 [ -n "$PROJECT_REPO" ] || { echo "miss PROJECT_REPO"; exit 1 ; }
@@ -39,7 +39,21 @@ echo "generate changelog to directory ${OUTPUT_DIR}"
 cd ${PROJECT_ROOT_PATH}
 
 #============================
+echo "-------------- generate latest release version tag --------------"
+LATEST_RELEASE_VERISON=$(curl --retry 10 -s https://api.github.com/repos/spidernet-io/egressgateway/releases | grep '"tag_name":' | grep -Eo "v([0-9]+\.[0-9]+\.[0-9])" | sort -r | head -n 1)
+LATEST_RELEASE_VERISON=` grep -oE "[0-9]+\.[0-9]+\.[0-9]+" <<< "${LATEST_RELEASE_VERISON}" `
+if [ -z "${LATEST_RELEASE_VERISON}" ] ; then
+    LATEST_X=0
+    LATEST_Y=0
+    LATEST_Z=0
+else
+    LATEST_X=${LATEST_RELEASE_VERISON%%.*}
+    TMP=${LATEST_RELEASE_VERISON%.*}
+    LATEST_Y=${TMP#*.}
+    LATEST_Z=${LATEST_RELEASE_VERISON##*.}
+fi
 
+#============================
 ORIGIN_START_TAG=${START_TAG}
 if [ -z "${START_TAG}" ] ; then
     echo "-------------- generate start tag"
@@ -61,8 +75,8 @@ if [ -z "${START_TAG}" ] ; then
           if (( V_X > 0 )); then
             START_X=$(( V_X - 1 ))
             # ??
-            START_Y=0
-            START_Z=0
+            START_Y=$LATEST_Y
+            START_Z=$LATEST_Z
           else
             echo "error, $DEST_TAG, all 0"
             exit 0
@@ -128,7 +142,7 @@ for COMMIT in ${ALL_COMMIT} ; do
   # 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 `
+  COMMIT_INFO=` curl --retry 10 -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} " <<< " ${PR_LIST} " &>/dev/null ; then
@@ -162,6 +176,8 @@ echo "generate changelog md"
 FILE_CHANGELOG="${OUTPUT_DIR}/changelog_from_${START_TAG}_to_${DEST_TAG}.md"
 echo > ${FILE_CHANGELOG}
 echo "# ${DEST_TAG}" >> ${FILE_CHANGELOG}
+echo "Welcome to the ${DEST_TAG} release of egressgateway!" >> ${FILE_CHANGELOG}
+echo "Compared with version:${START_TAG}, version:${DEST_TAG} has the following updates." >> ${FILE_CHANGELOG}
 echo "" >> ${FILE_CHANGELOG}
 echo "***" >> ${FILE_CHANGELOG}
 echo "" >> ${FILE_CHANGELOG}
@@ -199,7 +215,7 @@ if [ -n "${FIX_PR}" ]; then
     echo "" >> ${FILE_CHANGELOG}
 fi
 #
-echo "## Totoal " >> ${FILE_CHANGELOG}
+echo "## Total " >> ${FILE_CHANGELOG}
 echo "" >> ${FILE_CHANGELOG}
 echo "Pull request number: ${TOTAL_COUNT}" >> ${FILE_CHANGELOG}
 echo "" >> ${FILE_CHANGELOG}