diff --git a/environment/0_env/install.sh b/environment/0_env/install.sh
index b644bed7..46fee668 100644
--- a/environment/0_env/install.sh
+++ b/environment/0_env/install.sh
@@ -32,7 +32,7 @@ touch_env_rpms() {
     elif [ -f /etc/anolis-release ]; then
         sed -i '/epel\/8\/Everything/{n;s/enabled=0/enabled=1/;}' /etc/yum.repos.d/AnolisOS-DDE.repo
     fi
-    rpm -q --quiet python3 || yum install -y python3
+    command -v python3 || rpm -q --quiet python3 || yum install -y python3
     rpm -q --quiet wget || yum install -y wget
     rpm -q --quiet cronie || yum install -y cronie
 }
@@ -67,6 +67,7 @@ touch_virtualenv() {
         cp .pydistutils.cfg ~/.pydistutils.cfg
         python3 -m venv ${VIRTUALENV_HOME}
         if [ "$?" != 0 ]; then
+            pip3 install virtualenv
             python3 -m virtualenv ${VIRTUALENV_HOME}
         fi
         if [ "$?" = 0 ]; then
diff --git a/script/sysom.sh b/script/sysom.sh
index c33908b2..d94544bc 100755
--- a/script/sysom.sh
+++ b/script/sysom.sh
@@ -53,41 +53,41 @@ if [ "$CONF_HOME" == "" ]; then
 fi
 mkdir -p $CONF_HOME
 
-if [ "$DB_MYSQL_HOST" == "" ]; then
-    export DB_MYSQL_HOST=localhost
-fi
+# if [ "$DB_MYSQL_HOST" == "" ]; then
+#     export DB_MYSQL_HOST=localhost
+# fi
 
-if [ "$DB_MYSQL_PORT" == "" ]; then
-    export DB_MYSQL_PORT=3306
-fi
+# if [ "$DB_MYSQL_PORT" == "" ]; then
+#     export DB_MYSQL_PORT=3306
+# fi
 
-if [ "$DB_MYSQL_USERNAME" == "" ]; then
-    export DB_MYSQL_USERNAME=sysom
-fi
+# if [ "$DB_MYSQL_USERNAME" == "" ]; then
+#     export DB_MYSQL_USERNAME=sysom
+# fi
 
-if [ "$DB_MYSQL_PASSWORD" == "" ]; then
-    export DB_MYSQL_PASSWORD=sysom_admin
-fi
+# if [ "$DB_MYSQL_PASSWORD" == "" ]; then
+#     export DB_MYSQL_PASSWORD=sysom_admin
+# fi
 
-if [ "$DB_MYSQL_DATABASE" == "" ]; then
-    export DB_MYSQL_DATABASE=sysom
-fi
+# if [ "$DB_MYSQL_DATABASE" == "" ]; then
+#     export DB_MYSQL_DATABASE=sysom
+# fi
 
-if [ "$REDIS_HOST" == "" ]; then
-    export REDIS_HOST=localhost
-fi
+# if [ "$REDIS_HOST" == "" ]; then
+#     export REDIS_HOST=localhost
+# fi
 
-if [ "$REDIS_PORT" == "" ]; then
-    export REDIS_PORT=6379
-fi
+# if [ "$REDIS_PORT" == "" ]; then
+#     export REDIS_PORT=6379
+# fi
 
-if [ "$REDIS_USERNAME" == "" ]; then
-    export REDIS_USERNAME=""
-fi
+# if [ "$REDIS_USERNAME" == "" ]; then
+#     export REDIS_USERNAME=""
+# fi
 
-if [ "$REDIS_PASSWORD" == "" ]; then
-    export REDIS_PASSWORD=""
-fi
+# if [ "$REDIS_PASSWORD" == "" ]; then
+#     export REDIS_PASSWORD=""
+# fi
 
 # Deploy env list
 if [ "$DEPLOY_ENV_LIST" == "" ]; then
diff --git a/script/sysom_dbmigrate.sh b/script/sysom_dbmigrate.sh
index 978dac8a..4a8a8f0e 100755
--- a/script/sysom_dbmigrate.sh
+++ b/script/sysom_dbmigrate.sh
@@ -29,17 +29,35 @@ update_global_config() {
     sed "s/global_root_path \/usr\/local\/sysom/global_root_path $APP_HOME/g" -i ${SYSOM_CONF}
 
     # MySQL
-    sed "/mysql/,/host/s/host: localhost/host: $DB_MYSQL_HOST/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/port/s/port: 3306/port: $DB_MYSQL_PORT/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/user/s/user: sysom/user: $DB_MYSQL_USERNAME/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/password/s/password: sysom_admin/password: $DB_MYSQL_PASSWORD/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/database/s/database: sysom/database: $DB_MYSQL_DATABASE/g" -i ${SYSOM_CONF}
+    if [ $DB_MYSQL_HOST ]; then
+        sed "/mysql/,/host/s/host: localhost/host: $DB_MYSQL_HOST/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_PORT ]; then
+        sed "/mysql/,/port/s/port: 3306/port: $DB_MYSQL_PORT/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_USERNAME ]; then
+        sed "/mysql/,/user/s/user: sysom/user: $DB_MYSQL_USERNAME/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_PASSWORD ]; then
+        sed "/mysql/,/password/s/password: sysom_admin/password: $DB_MYSQL_PASSWORD/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_DATABASE ]; then
+        sed "/mysql/,/database/s/database: sysom/database: $DB_MYSQL_DATABASE/g" -i ${SYSOM_CONF}
+    fi
 
     # Redis
-    sed "/redis:/,/host/s/host: localhost/host: $REDIS_HOST/g" -i ${SYSOM_CONF}
-    sed "/redis:/,/port/s/port: 6379/port: $REDIS_PORT/g" -i ${SYSOM_CONF}
-    sed "/redis:/,/username/s/username:/username: $REDIS_USERNAME/g" -i ${SYSOM_CONF}
-    sed "/redis:/,/password/s/password:/password: $REDIS_PASSWORD/g" -i ${SYSOM_CONF}
+    if [ $REDIS_HOST ]; then
+        sed "/redis:/,/host/s/host: localhost/host: $REDIS_HOST/g" -i ${SYSOM_CONF}
+    fi
+    if [ $REDIS_PORT ]; then
+        sed "/redis:/,/port/s/port: 6379/port: $REDIS_PORT/g" -i ${SYSOM_CONF}
+    fi
+    if [ $REDIS_USERNAME ]; then
+        sed "/redis:/,/username/s/username:/username: $REDIS_USERNAME/g" -i ${SYSOM_CONF}
+    fi
+    if [ $REDIS_PASSWORD ]; then
+        sed "/redis:/,/password/s/password:/password: $REDIS_PASSWORD/g" -i ${SYSOM_CONF}
+    fi
 
     ###update local timezone###
     local_timezone=`timedatectl status | grep "Time zone" | awk '{print $3}'`
diff --git a/script/sysom_init.sh b/script/sysom_init.sh
index b2882aa7..3e349cca 100755
--- a/script/sysom_init.sh
+++ b/script/sysom_init.sh
@@ -3,7 +3,7 @@ set -x
 ProgName=$(basename $0)
 BaseDir=$(dirname $(readlink -f "$0"))
 LocalAppHome=$(dirname $BaseDir)
-SYSOM_DEPLOY_LOG=$LOG_HOME/sysom_deploy.log
+SYSOM_INIT_LOG=$LOG_HOME/sysom_init.log
 
 ####################################################################################################################
 # Helper functions
@@ -234,7 +234,7 @@ case $subcommand in
     ensure_supervisor_active
     check_config_exist
     shift
-    sub_${subcommand} $@
+    sub_${subcommand} $@ | tee -a ${SYSOM_INIT_LOG} || exit 1
     if [ $? = 127 ]; then
         echo "Error: '$subcommand' is not a known subcommand." >&2
         echo "       Run '$ProgName --help' for a list of known subcommands." >&2
diff --git a/script/sysom_install.sh b/script/sysom_install.sh
index b6e16b7f..e97f64a4 100755
--- a/script/sysom_install.sh
+++ b/script/sysom_install.sh
@@ -32,17 +32,35 @@ update_global_config() {
     sed "s/global_root_path \/usr\/local\/sysom/global_root_path $APP_HOME/g" -i ${SYSOM_CONF}
 
     # MySQL
-    sed "/mysql/,/host/s/host: localhost/host: $DB_MYSQL_HOST/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/port/s/port: 3306/port: $DB_MYSQL_PORT/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/user/s/user: sysom/user: $DB_MYSQL_USERNAME/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/password/s/password: sysom_admin/password: $DB_MYSQL_PASSWORD/g" -i ${SYSOM_CONF}
-    sed "/mysql/,/database/s/database: sysom/database: $DB_MYSQL_DATABASE/g" -i ${SYSOM_CONF}
+    if [ $DB_MYSQL_HOST ]; then
+        sed "/mysql/,/host/s/host: localhost/host: $DB_MYSQL_HOST/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_PORT ]; then
+        sed "/mysql/,/port/s/port: 3306/port: $DB_MYSQL_PORT/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_USERNAME ]; then
+        sed "/mysql/,/user/s/user: sysom/user: $DB_MYSQL_USERNAME/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_PASSWORD ]; then
+        sed "/mysql/,/password/s/password: sysom_admin/password: $DB_MYSQL_PASSWORD/g" -i ${SYSOM_CONF}
+    fi
+    if [ $DB_MYSQL_DATABASE ]; then
+        sed "/mysql/,/database/s/database: sysom/database: $DB_MYSQL_DATABASE/g" -i ${SYSOM_CONF}
+    fi
 
     # Redis
-    sed "/redis:/,/host/s/host: localhost/host: $REDIS_HOST/g" -i ${SYSOM_CONF}
-    sed "/redis:/,/port/s/port: 6379/port: $REDIS_PORT/g" -i ${SYSOM_CONF}
-    sed "/redis:/,/username/s/username:/username: $REDIS_USERNAME/g" -i ${SYSOM_CONF}
-    sed "/redis:/,/password/s/password:/password: $REDIS_PASSWORD/g" -i ${SYSOM_CONF}
+    if [ $REDIS_HOST ]; then
+        sed "/redis:/,/host/s/host: localhost/host: $REDIS_HOST/g" -i ${SYSOM_CONF}
+    fi
+    if [ $REDIS_PORT ]; then
+        sed "/redis:/,/port/s/port: 6379/port: $REDIS_PORT/g" -i ${SYSOM_CONF}
+    fi
+    if [ $REDIS_USERNAME ]; then
+        sed "/redis:/,/username/s/username:/username: $REDIS_USERNAME/g" -i ${SYSOM_CONF}
+    fi
+    if [ $REDIS_PASSWORD ]; then
+        sed "/redis:/,/password/s/password:/password: $REDIS_PASSWORD/g" -i ${SYSOM_CONF}
+    fi
 
     ###update local timezone###
     local_timezone=$(timedatectl status | grep "Time zone" | awk '{print $3}')
@@ -304,7 +322,7 @@ case $subcommand in
     install_new_scripts
     ensure_config_exist
     shift
-    sub_${subcommand} $@ | tee ${SYSOM_INSTALL_LOG}
+    sub_${subcommand} $@ | tee -a ${SYSOM_INSTALL_LOG} || exit 1
     if [ $? = 127 ]; then
         echo "Error: '$subcommand' is not a known subcommand." >&2
         echo "       Run '$ProgName --help' for a list of known subcommands." >&2