diff --git a/README.md b/README.md
index 91a18985..4a12d46a 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ https://github.com/acmesh-official/acmetest
 - Letsencrypt.org CA
 - [BuyPass.com CA](https://github.com/acmesh-official/acme.sh/wiki/BuyPass.com-CA)
 - [SSL.com CA](https://github.com/acmesh-official/acme.sh/wiki/SSL.com-CA)
+- [Google.com Public CA](https://github.com/acmesh-official/acme.sh/wiki/Google-Public-CA)
 - [Pebble strict Mode](https://github.com/letsencrypt/pebble)
 - Any other [RFC8555](https://tools.ietf.org/html/rfc8555)-compliant CA
 
diff --git a/acme.sh b/acme.sh
index 55fa4467..3860c301 100755
--- a/acme.sh
+++ b/acme.sh
@@ -34,6 +34,9 @@ _ZERO_EAB_ENDPOINT="https://api.zerossl.com/acme/eab-credentials-email"
 CA_SSLCOM_RSA="https://acme.ssl.com/sslcom-dv-rsa"
 CA_SSLCOM_ECC="https://acme.ssl.com/sslcom-dv-ecc"
 
+CA_GOOGLE="https://dv.acme-v02.api.pki.goog/directory"
+CA_GOOGLE_TEST="https://dv.acme-v02.test-api.pki.goog/directory"
+
 DEFAULT_CA=$CA_ZEROSSL
 DEFAULT_STAGING_CA=$CA_LETSENCRYPT_V2_TEST
 
@@ -44,9 +47,11 @@ LetsEncrypt.org_test,letsencrypt_test,letsencrypttest
 BuyPass.com,buypass
 BuyPass.com_test,buypass_test,buypasstest
 SSL.com,sslcom
+Google.com,google
+Google.com_test,googletest,google_test
 "
 
-CA_SERVERS="$CA_ZEROSSL,$CA_LETSENCRYPT_V2,$CA_LETSENCRYPT_V2_TEST,$CA_BUYPASS,$CA_BUYPASS_TEST,$CA_SSLCOM_RSA"
+CA_SERVERS="$CA_ZEROSSL,$CA_LETSENCRYPT_V2,$CA_LETSENCRYPT_V2_TEST,$CA_BUYPASS,$CA_BUYPASS_TEST,$CA_SSLCOM_RSA,$CA_GOOGLE,$CA_GOOGLE_TEST"
 
 DEFAULT_USER_AGENT="$PROJECT_NAME/$VER ($PROJECT)"
 
@@ -1845,7 +1850,9 @@ _inithttp() {
       _ACME_WGET="$_ACME_WGET --max-redirect 0 "
     fi
     if [ "$DEBUG" ] && [ "$DEBUG" -ge "2" ]; then
-      _ACME_WGET="$_ACME_WGET -d "
+      if [ "$_ACME_WGET" ] && _contains "$($_ACME_WGET --help 2>&1)" "--debug"; then
+        _ACME_WGET="$_ACME_WGET -d "
+      fi
     fi
     if [ "$CA_PATH" ]; then
       _ACME_WGET="$_ACME_WGET --ca-directory=$CA_PATH "
@@ -3751,7 +3758,7 @@ updateaccount() {
 
   _email="$(_getAccountEmail)"
 
-  if [ "$ACCOUNT_EMAIL" ]; then
+  if [ "$_email" ]; then
     updjson='{"contact": ["mailto:'$_email'"]}'
   else
     updjson='{"contact": []}'
@@ -4256,7 +4263,13 @@ issue() {
       _debug _saved_domain "$_saved_domain"
       _saved_alt=$(_readdomainconf Le_Alt)
       _debug _saved_alt "$_saved_alt"
-      if [ "$_saved_domain,$_saved_alt" = "$_main_domain,$_alt_domains" ]; then
+      _normized_saved_domains="$(echo "$_saved_domain,$_saved_alt" | tr "," "\n" | sort | tr '\n' ',')"
+      _debug _normized_saved_domains "$_normized_saved_domains"
+
+      _normized_domains="$(echo "$_main_domain,$_alt_domains" | tr "," "\n" | sort | tr '\n' ',')"
+      _debug _normized_domains "$_normized_domains"
+
+      if [ "$_normized_saved_domains" = "$_normized_domains" ]; then
         _info "Domains not changed."
         _info "Skip, Next renewal time is: $(__green "$(_readdomainconf Le_NextRenewTimeStr)")"
         _info "Add '$(__red '--force')' to force to renew."