roll back changes

Signed-off-by: Sam Yuan <yy19902439@126.com>

Author: SamYuan1990

main.sh

@@ -74,7 +74,7 @@ cluster_up() {
 	KUBECONFIG=$kubeconfig kubectl config view --merge --flatten >all-in-one-kubeconfig.yaml
 	mv -f all-in-one-kubeconfig.yaml "${KUBECONFIG_ROOT_DIR}/config"
 
-	export KUBECONFIG="${KUBECONFIG_ROOT_DIR}/$KEPLER_KUBECONFIG"
+	export KUBECONFIG="${KUBECONFIG_ROOT_DIR}/config"
 
 	if is_set "$PROMETHEUS_ENABLE" || is_set "$GRAFANA_ENABLE"; then
 		source "$PROJECT_ROOT/lib/prometheus.sh"