diff --git a/docker/update.sh b/docker/update.sh
index e00dd47..2734594 100644
--- a/docker/update.sh
+++ b/docker/update.sh
@@ -2,7 +2,7 @@
 
 set -u
 if [ "${ACME_ENABLED:=true}" = "true" ]; then
-  ${ACME_HOME} --set-default-ca --server letsencrypt
+  #${ACME_HOME} --set-default-ca --server letsencrypt
   # 使用acme获取/更新证书
   ${ACME_HOME} ${ACME_PARAMS:-}  \
   --force --issue --cert-home ${CERT_HOME} \