diff --git a/installer/dectl b/installer/dectl
index 6e3a85ee3a..4490f559f1 100644
--- a/installer/dectl
+++ b/installer/dectl
@@ -244,8 +244,8 @@ function reload() {
 function version() {
    echo
    _get_current_version
-   _get_latest_version
    echo "current version is $current_version"
+   _get_latest_version
    echo "latest version is $latest_version"
 }
 function upgrade() {
diff --git a/installer/install.sh b/installer/install.sh
index 883691c886..9b3f33e441 100644
--- a/installer/install.sh
+++ b/installer/install.sh
@@ -20,7 +20,7 @@ if [ -f /usr/bin/dectl ]; then
    dectl stop
    INSTALL_TYPE='upgrade'
 
-   v2_version=$(dectl version |grep "^v2.")
+   v2_version=$(dectl version | head -n 2 | grep "v2.")
    if [[ -z $v2_version ]];then
       echo "系统当前版本不是 DataEase v2 版本系列，不支持升级到 v2，请检查离线包版本。"
       exit 1;