diff --git a/acme.sh b/acme.sh
index 72a297a8..67910b64 100755
--- a/acme.sh
+++ b/acme.sh
@@ -956,8 +956,19 @@ issue() {
   Le_ReloadCmd="$8"
   Le_RealFullChainPath="$9"
   
-  _initpath $Le_Domain
+  #remove these later.
+  if [[ "$Le_Webroot" == "dns-cf" ]] ; then
+    Le_Webroot="dns_cf"
+  fi
+  if [[ "$Le_Webroot" == "dns-dp" ]] ; then
+    Le_Webroot="dns_dp"
+  fi
+  if [[ "$Le_Webroot" == "dns-cx" ]] ; then
+    Le_Webroot="dns_cx"
+  fi
   
+  _initpath $Le_Domain
+
   if [[ -f "$DOMAIN_CONF" ]] ; then
     Le_NextRenewTime=$(grep "^Le_NextRenewTime=" "$DOMAIN_CONF" | cut -d '=' -f 2)
     if [[ -z "$FORCE" ]] && [[ "$Le_NextRenewTime" ]] && [[ "$(date -u "+%s" )" -lt "$Le_NextRenewTime" ]] ; then 
@@ -1189,7 +1200,7 @@ issue() {
             return 1
           fi
           
-          addcommand="$_currentRoot-add"
+          addcommand="$_currentRoot_add"
           if ! _exists $addcommand ; then 
             _err "It seems that your api file is not correct, it must have a function named: $addcommand"
             return 1
@@ -1924,7 +1935,7 @@ Parameters:
   --webroot, -w  /path/to/webroot   Specifies the web root folder for web root mode.
   --standalone                      Use standalone mode.
   --apache                          Use apache mode.
-  --dns [dns-cf|dns-dp|dns-cx|/path/to/api/file]   Use dns mode or dns api.
+  --dns [dns_cf|dns_dp|dns_cx|/path/to/api/file]   Use dns mode or dns api.
   
   --keylength, -k [2048]            Specifies the domain key length: 2048, 3072, 4096, 8192 or ec-256, ec-384.
   --accountkeylength, -ak [2048]    Specifies the account key length.
diff --git a/dnsapi/dns-cf.sh b/dnsapi/dns-cf.sh
index b2d67c7a..69216e50 100755
--- a/dnsapi/dns-cf.sh
+++ b/dnsapi/dns-cf.sh
@@ -12,7 +12,7 @@ CF_Api="https://api.cloudflare.com/client/v4/"
 ########  Public functions #####################
 
 #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns-cf-add(){
+dns_cf_add(){
   fulldomain=$1
   txtvalue=$2
   
diff --git a/dnsapi/dns-cx.sh b/dnsapi/dns-cx.sh
index 2a455a32..130eecf9 100644
--- a/dnsapi/dns-cx.sh
+++ b/dnsapi/dns-cx.sh
@@ -14,7 +14,7 @@ CX_Api="https://www.cloudxns.net/api2"
 ########  Public functions #####################
 
 #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns-cx-add() {
+dns_cx_add() {
   fulldomain=$1
   txtvalue=$2
   
diff --git a/dnsapi/dns-dp.sh b/dnsapi/dns-dp.sh
index f58b9d3a..8a7b3362 100644
--- a/dnsapi/dns-dp.sh
+++ b/dnsapi/dns-dp.sh
@@ -14,7 +14,7 @@ DP_Api="https://dnsapi.cn"
 ########  Public functions #####################
 
 #Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns-dp-add() {
+dns_dp_add() {
   fulldomain=$1
   txtvalue=$2
   
diff --git a/dnsapi/dns-myapi.sh b/dnsapi/dns-myapi.sh
index 4236e41c..cc26ab35 100644
--- a/dnsapi/dns-myapi.sh
+++ b/dnsapi/dns-myapi.sh
@@ -1,8 +1,8 @@
 #!/bin/bash
 
 #Here is a sample custom api script.
-#This file name is "dns-myapi.sh"
-#So, here must be a method   dns-myapi-add()
+#This file name is "dns_myapi.sh"
+#So, here must be a method   dns_myapi-add()
 #Which will be called by acme.sh to add the txt record to your api system.
 #returns 0 meanst success, otherwise error.
 
@@ -11,7 +11,7 @@
 ########  Public functions #####################
 
 #Usage: add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
-dns-myapi-add() {
+dns_myapi_add() {
   fulldomain=$1
   txtvalue=$2
   _err "Not implemented!"