diff --git a/flasky.sh b/flasky.sh
index 2b2e0e1..574ed69 100755
--- a/flasky.sh
+++ b/flasky.sh
@@ -6,7 +6,7 @@ HOME_PATH=$(eval echo ~${SUDO_USER})
 SCRIPT_FILE=$(basename $(readlink -f "${0}"))
 SCRIPT_PATH=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
 
-if [ ${#} -eq 0 ]; then
+if [[ ${#} -eq 0 ]]; then
     OPTION='run'
 else
     OPTION=${1}
@@ -34,11 +34,31 @@ if [[ ${#} -eq 0 || ${OPTION} == 'debug' ]]; then
 elif [ ${OPTION} == 'clean' ]; then
     clean
 elif [ ${OPTION} == 'init' ]; then
+    if [[ ${#} -ne 5 ]]; then
+        echo "${SCRIPT_FILE} init --mail_address EMAIL_ADDRESS --mail_password EMAIL_PASSWORD"
+        exit -1
+    fi
     sudo apt install libgl1 -y
     cd ${SCRIPT_PATH}
     source ${PYTHON_ENV}
     pip3 install -r ${SCRIPT_PATH}/requirements.txt
-    flask init
+    flask init --mail_address ${3} --mail_password ${5}
+elif [ ${OPTION} == 'addusr' ]; then
+    if [[ ${#} -ne 5 ]]; then
+        echo "${SCRIPT_FILE} addusr --username USERNAME --password PASSWORD"
+        exit -1
+    fi
+    cd ${SCRIPT_PATH}
+    source ${PYTHON_ENV}
+    flask addusr --username ${3} --password ${5}
+elif [ ${OPTION} == 'delusr' ]; then
+    if [[ ${#} -ne 3 ]]; then
+        echo "${SCRIPT_FILE} delusr --username"
+        exit -1
+    fi
+    cd ${SCRIPT_PATH}
+    source ${PYTHON_ENV}
+    flask delusr --username ${3}
 elif [ ${OPTION} == 'test' ]; then
     cd ${SCRIPT_PATH}
     source ${PYTHON_ENV}
@@ -67,6 +87,6 @@ elif [ ${OPTION} == 'restore' ]; then
     source ${PYTHON_ENV}
     flask restore
 else
-    echo "Usage: ${SCRIPT_FILE} [run|clean|test|init|deploy]"
+    echo "Usage: ${SCRIPT_FILE} [init|debug|run|deploy|test|clean|addusr|delusr|backup|restore]"
 fi
 
diff --git a/hallelujah/static/css/markdown_patch.css b/hallelujah/static/css/markdown_patch.css
index 890d14c..86541cf 100644
--- a/hallelujah/static/css/markdown_patch.css
+++ b/hallelujah/static/css/markdown_patch.css
@@ -1,8 +1,16 @@
 /* markdown code block */
 .markdown-body {
+    background-color: transparent;
     box-sizing: border-box;
     padding: 15px;
 }
+.markdown-body table tr {
+    background-color: transparent;
+}
+.markdown-body table tr:nth-child(2n) {
+    background-color: transparent;
+    opacity: 0.7;
+}
 .markdown-body pre {
     margin-top, margin-bottom: 5px;
     padding: 0;
@@ -24,7 +32,6 @@
     display: table;
 }
 .markdown-body code.hljs table.hljs-ln tr {
-    background-color: #f6f8fa;
     border: 0;
 }
 .markdown-body code.hljs table.hljs-ln td.hljs-ln-line {
diff --git a/hallelujah/templates/_highlight.html b/hallelujah/templates/_highlight.html
index 4ec64e3..9cf71a0 100644
--- a/hallelujah/templates/_highlight.html
+++ b/hallelujah/templates/_highlight.html
@@ -1,10 +1,10 @@
 {% extends '_base.html' %}
 
 {% block styles %}
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/markdown_patch.css', _external=True) }}">
-    {{ super() }}
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.6.0/build/styles/googlecode.min.css">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/github-markdown-css@5.1.0/github-markdown.min.css">
+    {{ super() }}
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/markdown_patch.css', _external=True) }}">
 {% endblock styles %}
 
 {% block scripts %}
diff --git a/hallelujah/utility.py b/hallelujah/utility.py
index 59c9f4c..614bd3f 100644
--- a/hallelujah/utility.py
+++ b/hallelujah/utility.py
@@ -134,7 +134,7 @@ def send_async_email(app, message):
         try:
             mail.send(message)
         except Exception as e:
-            app.config.logger.error('send_async_email: {}'.format(str(e)))
+            app.logger.error('send_async_email: {}'.format(str(e)))
 
 
 def send_email(to, subject, msg):