diff --git a/Dockerfile b/Dockerfile
index 6a8018b3a..d9047ec98 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,11 @@ FROM orvice/apache-base
 MAINTAINER orvice<orvice@orx.me>
 
 ENV SSPANEL_VERSION 4.0.0
+
+RUN apt-get update && apt-get install -y \
+        netcat \
+        && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /var/www/html
 
 # Install sspanel
diff --git a/app/Controllers/MuV2/NodeController.php b/app/Controllers/MuV2/NodeController.php
index f2c8725f5..2c5ab9107 100644
--- a/app/Controllers/MuV2/NodeController.php
+++ b/app/Controllers/MuV2/NodeController.php
@@ -16,6 +16,7 @@ public function users($request, $response, $args)
     {
         $users = User::all();
         $res = [
+            'ret' => 1,
             'msg' => 'ok',
             'data' => $users,
         ];
diff --git a/app/Services/Config.php b/app/Services/Config.php
new file mode 100644
index 000000000..53760fe85
--- /dev/null
+++ b/app/Services/Config.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Services;
+
+use App\Services\Config\DbConfig;
+
+class Config
+{
+    public static function get($key)
+    {
+        $dc = new DbConfig();
+        return $dc->get($key);
+    }
+}
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 277d0fd75..0fbfb7ee0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,6 +4,8 @@ services:
   redis:
     restart: always
     image: redis:latest
+    ports:
+        - 6379:6379
     container_name: sspanel_redis
     command:
     - --loglevel warning
@@ -11,15 +13,19 @@ services:
       - ./redis_data:/var/lib/redis:Z
 
   mysql:
+      restart: always
       image: mysql
       container_name: sspanel_mysql
       environment:
         - MYSQL_ROOT_PASSWORD=sspanel
         - MYSQL_DATABASE=sspanel
+        - MYSQL_USER=sspanel
+        - MYSQL_PASSWORD=sspanel
       volumes:
         - ./mysql_data:/var/lib/mysql:Z
 
   ss-panel:
+      restart: always
       image: orvice/ss-panel:master
       ports:
         - 8080:80
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 0f0eecb73..90472a3f6 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,5 +1,16 @@
 #!/bin/bash
 echo "Entry ss-panel"
+
+echo -n "waiting for MySQL connection..."
+
+while ! nc -w 1 $DB_HOST 3306 > /dev/null 2>&1
+do
+  echo -n .
+  sleep 1
+done
+
+echo 'ok'
+
 if [ "$MIGRATION" = "false" ];then
     echo "Skip database migration"
 else