diff --git a/elasticsearch7/ADD/ccmd b/elasticsearch7/ADD/ccmd
index c15719d..ed8ffba 100755
--- a/elasticsearch7/ADD/ccmd
+++ b/elasticsearch7/ADD/ccmd
@@ -131,7 +131,7 @@ function StartProc {
         /opt/es/bin/elasticsearch -Epath.data=/opt/es/data -Epath.logs=/opt/es/logs
     " &> /dev/null &
     PIDS="$PIDS $!"
-    [ -n "$BOOTSTRAP" ] && SetupPassword
+    [ -z "$BOOTSTRAP" ] || SetupPassword
 }
 
 function Main {
diff --git a/letsencrypt/Demo/SingleNode/aliyun-api.sh b/letsencrypt/Demo/SingleNode/aliyun-api.sh
index c229c27..ee6cb27 100755
--- a/letsencrypt/Demo/SingleNode/aliyun-api.sh
+++ b/letsencrypt/Demo/SingleNode/aliyun-api.sh
@@ -136,10 +136,17 @@ function DeleteRecord {
 function Main {
     [ -e "$PID_FILE" ] && Error Pid file $PID_FILE already exists, quit!
     echo $$ > $PID_FILE
-    ListRecord
-    [ -z "$RECORD_ID" ] && CreateRecord
-    [ -n "$RECORD_ID" ] && ModifyRecord
-    END=1
+    for _ in {1..5}; do
+        ListRecord || continue
+        if [ -z "$RECORD_ID" ]; then
+            CreateRecord || continue
+        else
+            ModifyRecord || continue
+        fi
+        END=1
+        return 0
+    done
+    return 1
 }
 
 # Start here
diff --git a/letsencrypt/Demo/SingleNode/docker-compose.yml b/letsencrypt/Demo/SingleNode/docker-compose.yml
index 61b3319..63ff1b1 100644
--- a/letsencrypt/Demo/SingleNode/docker-compose.yml
+++ b/letsencrypt/Demo/SingleNode/docker-compose.yml
@@ -23,7 +23,7 @@ services:
     restart: "no"
     stop_grace_period: 1m
     environment:
-      DOMAINS: "*.xxx.com"
+      DOMAINS: "*.xxx.com,*.yyy.com"
     network_mode: host
     volumes:
     - type: bind
diff --git a/letsencrypt/Demo/SingleNode/tencent-api.sh b/letsencrypt/Demo/SingleNode/tencent-api.sh
index b54d813..96f258d 100755
--- a/letsencrypt/Demo/SingleNode/tencent-api.sh
+++ b/letsencrypt/Demo/SingleNode/tencent-api.sh
@@ -125,10 +125,17 @@ function DeleteRecord {
 function Main {
     [ -e "$PID_FILE" ] && Error Pid file $PID_FILE already exists, quit!
     echo $$ > $PID_FILE
-    ListRecord
-    [ -z "$RECORD_ID" ] && CreateRecord
-    [ -n "$RECORD_ID" ] && ModifyRecord
-    END=1
+    for _ in {1..5}; do
+        ListRecord || continue
+        if [ -z "$RECORD_ID" ]; then
+            CreateRecord || continue
+        else
+            ModifyRecord || continue
+        fi
+        END=1
+        return 0
+    done
+    return 1
 }
 
 # Start here
diff --git a/ops/Dockerfile b/ops/Dockerfile
index 217da4b..891e0e2 100644
--- a/ops/Dockerfile
+++ b/ops/Dockerfile
@@ -1,53 +1,41 @@
 ARG             ARCH
 FROM            harbor.colben.cn/general/jdk$ARCH:8
 MAINTAINER      Colben colbenlee@gmail.com
-ADD             --chown=root:root /ADD/ /opt/
+RUN             tdnf makecache \
+                    && tdnf -y install git openssh openssh-clients openssh-server sshpass jq ansible \
+                    && echo 'root:Ops_1234' | chpasswd \
+                    && mkdir -m 0700 /root/.ssh \
+                    && sed -i \
+                        -e '/^Port /d' \
+                        -e '/^PermitRootLogin /d' \
+                        -e '/^TCPKeepAlive /d' \
+                        -e '/^ClientAliveInterval /d' \
+                        -e '/^ClientAliveCountMax /d' \
+                        -e '/^UseDNS /d' \
+                        -e '$aPort 20022' \
+                        -e '$aPermitRootLogin yes' \
+                        -e '$aTCPKeepAlive yes' \
+                        -e '$aClientAliveInterval 60' \
+                        -e '$aClientAliveCountMax 3' \
+                        -e '$aUseDNS yes' \
+                        /etc/ssh/sshd_config \
+                    && mkdir -m 0755 /etc/ansible \
+                    && echo -e '[defaults]\n\
+host_key_checking = False\n\
+stdout_callback = debug\n\
+retry_files_enabled = False\n\
+' > /etc/ansible/ansible.cfg \
+                    && echo -e '[all:vars]\n\
+ansible_ssh_port=22\n\
+ansible_ssh_user=root\n\
+ansible_ssh_pass=111111\n\
+' > /etc/ansible/hosts \
+                    && grep '^export PS' /etc/bash.bashrc | sed 's/\\h/OPS/' >> /etc/profile \
+                    && rm -rf /var/cache/tdnf
+ADD             --chown=root:root /ADD/maven /opt/maven
+ADD             --chown=root:root /ADD/ssh_host_* /etc/ssh/
+ADD             --chown=root:root /ADD/id_rsa* /root/.ssh/
 ENV             MAVEN_HOME=/opt/maven
 ENV             PATH=${MAVEN_HOME}/bin:$PATH
-RUN             tdnf makecache \
-                    && tdnf -y install git openssh-clients \
-                    && mkdir -m 0600 /root/.ssh \
-                    && echo '-----BEGIN OPENSSH PRIVATE KEY-----\n\
-b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn\n\
-NhAAAAAwEAAQAAAYEAtOCNZp6gKBU737xzMzSSpThDxDBCx9D5hQ3ROeW1eps+9xBNQ6nB\n\
-xWXf5lJnMbQPGLYpAyCfhHtnSv7lUWCdfSP68TtzJPwfqJ5forx/KdlRs0KMLAisjvnaDQ\n\
-eqIAwWgXyt0Asdm8sYR7SHbBf9n4MyBX/qhBimI4eHsxLNdXibMUMXa0G5pztNsLh91K+i\n\
-QWyz4ul5xW9iTFOyqRtljnX9qS6atk3dj5fTiQRMTlmqAeV5YM7mBaskhsZY4/ugBS7M07\n\
-gRA1wxzDZ5zNR+u0XoSVcuyxefNOkGHxHk1qPZsxYli/OU2va/63plIzzCbubRK/3+JMLc\n\
-JsLL7tuUGoQVCx/Fon0Td6np9YDjhliaYUkQhFiOZbIh8qTA6ATUmTRbAZ26kAF5cVqCdL\n\
-tETkl4MYXhBeMRRURL/0KuEFasZDgIyfyeswBHUPG8/4jcytQePB5Vsmqb3/DLiz2W+baE\n\
-jPJoTbty74sHzlpeLnj+KMHhqowrNn/43jCq9IAPAAAFkNIv+orSL/qKAAAAB3NzaC1yc2\n\
-EAAAGBALTgjWaeoCgVO9+8czM0kqU4Q8QwQsfQ+YUN0TnltXqbPvcQTUOpwcVl3+ZSZzG0\n\
-Dxi2KQMgn4R7Z0r+5VFgnX0j+vE7cyT8H6ieX6K8fynZUbNCjCwIrI752g0HqiAMFoF8rd\n\
-ALHZvLGEe0h2wX/Z+DMgV/6oQYpiOHh7MSzXV4mzFDF2tBuac7TbC4fdSvokFss+LpecVv\n\
-YkxTsqkbZY51/akumrZN3Y+X04kETE5ZqgHleWDO5gWrJIbGWOP7oAUuzNO4EQNcMcw2ec\n\
-zUfrtF6ElXLssXnzTpBh8R5Naj2bMWJYvzlNr2v+t6ZSM8wm7m0Sv9/iTC3CbCy+7blBqE\n\
-FQsfxaJ9E3ep6fWA44ZYmmFJEIRYjmWyIfKkwOgE1Jk0WwGdupABeXFagnS7RE5JeDGF4Q\n\
-XjEUVES/9CrhBWrGQ4CMn8nrMAR1DxvP+I3MrUHjweVbJqm9/wy4s9lvm2hIzyaE27cu+L\n\
-B85aXi54/ijB4aqMKzZ/+N4wqvSADwAAAAMBAAEAAAGAfcfhzMjmSrlpZ47e9W7Lw4U66s\n\
-U8y0MxISuYoZByAQ7QXHLDqBf2ndTYPIx1IoU6Mk8KehhHlZNTIz3aLhrnqcxJh1N2IPQK\n\
-9/EaREqci3eKbwQKAd0OUmbBEWqRDbQaOnV/UTtJnbs/6S1LNwn/3tsW/+gSJ0YU0oQ/A3\n\
-JB2jzCfyFOudF8zyRYRFondq2kQabb+SGvAnMQgk954Esi9kxq1ymHgNrpBh/ohFGu1pVX\n\
-ufXf0EhQgQSgY/Cug+vIEkenCjXX9yuVR69MNpFhY9xdZp0PKR52SIHOvPN5WykI86IWkP\n\
-DQnF201lLtwAtLl9XPIDGOADQup7bxAT8/fmYD6wiQxDmj7qwlRhmdQ5/9GbXV76z3IItW\n\
-1kn73vprUN54dw68ubLMbn4c/FyJcHlBwSHyAbjUZaJX82vJAxZiB0HHK81BGg8sv12hZf\n\
-PkAfo3PFS01hyBRrao3ewdQ/ug6KE9sR3WmQA+MN7pr232tEWixfNIGtJl/g/Er7pRAAAA\n\
-wFrEd6Jni0q+hU0q+I2l/IpW7oheapDbloXF3ES6bOZnW9YObrjgpojJmKxH75/tiQnYVm\n\
-hyofU4xTKXW5xwxQBx6oQH6QlLP7biZsbi64F/S1uqqp8nEafJukUglK+3arTNDu7bLNNI\n\
-3FTvTNgNjef37kTyg7zmZsODgEhX13mkrQ9kyOnXnRWBmNNElI32dW2jhLhLX9SR75u5+C\n\
-6bOekyNJ2L0MR4HgZE1Iorkgy/NfUgc+9Gy45uyX2M0lhuTgAAAMEA2Rp0og8QU6fNLDoi\n\
-Bn8gjn/sEmJvDI+raaeQmFkrzASen8gOMhRCtcAjr4mwZkEdegIPmxCJ5I/XarsQsYxN1J\n\
-ychw8QXklF1i7GArjIOWwmnBFYiu3Qx9f34qwxUJcj1D+klgmQ5VwCV8yM3fjoxOPVIg2N\n\
-1azzTR7PUnzEQT/TRZiMGLEZiUiJAPFGeTlqEHRmRHhVxFjWR29GGWeheEKdZxCCy6ze/3\n\
-8DBGI3qDl8js0gSoDm2aFnmXZkd19rAAAAwQDVSJDwqexEggEAcRHUY9xPAZaX5VBo2+wS\n\
-CEqENDAflVUiuWEcYNh96GC8dscfo2ZLrAoBicIeSAiLJrko+U3buttctUtVBKD41CEGqW\n\
-UpAt9GV2nAWhvxq4WxXz48vf4tzBerIvzlDpujaON0K8KyfSNg4HCOnwkA0LbH6sVtQ0kS\n\
-vO4kAgIG2wmgGfvBsySjTuqQe4m/+mKXNt7bSc1gJhOikrEQQRy2dE04+3NGw5bYLpLG4l\n\
-QLpw2nbIGP/u0AAAAUcm9vdEB2cG4tMTAtMC0xNi0xMjQBAgMEBQYH\n\
------END OPENSSH PRIVATE KEY-----\n\
-' > /root/.ssh/id_rsa \
-                    && echo 'ssh-rsa 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 root@ops\n\
-' > /root/.ssh/id_rsa.pub \
-                    && chmod 0600 /root/.ssh/id_rsa \
-                    && rm -rf /var/cache/tdnf
+CMD             ["/usr/sbin/sshd", "-D"]
 
diff --git a/ops/ops.sh b/ops/ops.sh
index d05237c..f027ed7 100755
--- a/ops/ops.sh
+++ b/ops/ops.sh
@@ -48,6 +48,12 @@ function Update {
     cd ADD
     tar zxf $(ls /release/RUNTIME/apache-maven-*-bin.tar.gz|tail -1)
     mv apache-maven-3.6.3 maven
+    Warn Preparing ssh host keys ...
+    cp -af /etc/ssh/ssh_host_* ./
+    chmod 0600 ssh_host_*_key
+    Warn Preparing ssh rsa ...
+    cp -af /root/.ssh/{id_rsa,id_rsa.pub} ./
+    chmod 0600 id_rsa
 }
 
 function Build {