diff --git a/.github/workflows/upload_artifact.yml b/.github/workflows/upload_artifact.yml
index 1cb0aa8e..54a37929 100644
--- a/.github/workflows/upload_artifact.yml
+++ b/.github/workflows/upload_artifact.yml
@@ -26,9 +26,6 @@ jobs:
           echo "CHANGELOG<<EOF" >> $GITHUB_OUTPUT 
           echo "$changelog" >> $GITHUB_OUTPUT 
           echo "EOF" >> $GITHUB_OUTPUT
-          current_date=$(date +%Y-%m-%d)
-          printf "## $version release on $current_date\n$changelog\n" < CHANGELOG.md > temp.txt
-          mv temp.txt CHANGELOG.md
 
           mkdir websoft9 artifacts
           cp -r docker websoft9
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d10c91b..3a5c5eb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.8.9 release on 2023-08-01
+
+1. improve update.sh
+2. add docs to artifacts
+
 ## 0.8.8 release on 2023-07-27
 
 fixed update search api bug
diff --git a/changelog_latest.md b/changelog_latest.md
index 7b7ea221..38a79181 100644
--- a/changelog_latest.md
+++ b/changelog_latest.md
@@ -1 +1,2 @@
-fixed update search api bug
+1. improve update.sh
+2. add docs to artifacts
diff --git a/install/update.sh b/install/update.sh
index 11ddd60a..65f5803a 100644
--- a/install/update.sh
+++ b/install/update.sh
@@ -62,27 +62,51 @@ UpdatePlugins(){
 echo "Check plugins if have update ..."
 
 # update appstore
-old_appstore_version=$(cat /usr/share/cockpit/appstore/appstore.json | jq .Version |  tr -d '"')
+if [ -f "/usr/share/cockpit/appstore/appstore.json" ]; then
+    old_appstore_version=$(cat /usr/share/cockpit/appstore/appstore.json | jq .Version |  tr -d '"')
+else
+    old_appstore_version="0.0.0"
+fi
 new_appstore_version=$(cat /data/apps/websoft9/version.json | jq .PLUGINS |jq .APPSTORE | tr -d '"')
 
 # update settings
-old_settings_version=$(cat /usr/share/cockpit/settings/settings.json | jq .Version |  tr -d '"')
+if [ -f "/usr/share/cockpit/settings/settings.json" ]; then
+    old_settings_version=$(cat /usr/share/cockpit/settings/settings.json | jq .Version |  tr -d '"')
+else
+    old_settings_version="0.0.0"
+fi
 new_settings_version=$(cat /data/apps/websoft9/version.json | jq .PLUGINS |jq .SETTINGS | tr -d '"')
 
 # update myapps
-old_myapps_version=$(cat /usr/share/cockpit/myapps/myapps.json | jq .Version |  tr -d '"')
+if [ -f "/usr/share/cockpit/myapps/myapps.json" ]; then
+    old_myapps_version=$(cat /usr/share/cockpit/myapps/myapps.json | jq .Version |  tr -d '"')
+else
+    old_myapps_version="0.0.0"
+fi
 new_myapps_version=$(cat /data/apps/websoft9/version.json | jq .PLUGINS |jq .MYAPPS | tr -d '"')
 
 ## update container
-old_container_version=$(cat /usr/share/cockpit/container/portainer.json | jq .Version |  tr -d '"')
+if [ -f "/usr/share/cockpit/container/portainer.json" ]; then
+    old_container_version=$(cat /usr/share/cockpit/container/portainer.json | jq .Version |  tr -d '"')
+else
+    old_container_version="0.0.0"
+fi
 new_container_version=$(cat /data/apps/websoft9/version.json | jq .PLUGINS |jq .PORTAINER | tr -d '"')
 
 ## update nginx
-old_nginx_version=$(cat /usr/share/cockpit/nginx/nginx.json | jq .Version |  tr -d '"')
+if [ -f "/usr/share/cockpit/nginx/nginx.json" ]; then
+    old_nginx_version=$(cat /usr/share/cockpit/nginx/nginx.json | jq .Version |  tr -d '"')
+else
+    old_nginx_version="0.0.0"
+fi
 new_nginx_version=$(cat /data/apps/websoft9/version.json | jq .PLUGINS |jq .NGINX | tr -d '"')
 
 ## update library
-old_library_version=$(cat /data/library/library.json | jq .Version |  tr -d '"')
+if [ -f "/data/library/library.json" ]; then
+    old_library_version=$(cat /data/library/library.json | jq .Version |  tr -d '"')
+else
+    old_library_version="0.0.0"
+fi
 new_library_version=$(cat /data/apps/websoft9/version.json | jq .PLUGINS |jq .LIBRARY | tr -d '"')
 
 if [ "$old_appstore_version" = "$new_appstore_version" ] && [ "$old_settings_version" = "$new_settings_version" ] && [ "$old_myapps_version" = "$new_myapp_version" ] && [ "$old_container_version" = "$new_container_version" ] && [ "$old_nginx_version" \< "$new_nginx_version" ]; then
diff --git a/version.json b/version.json
index 0a3206a6..16d8a58f 100644
--- a/version.json
+++ b/version.json
@@ -41,5 +41,5 @@
             "18.04"
         ]
     },
-    "VERSION": "0.8.8"
+    "VERSION": "0.8.9"
 }
\ No newline at end of file