diff --git a/.env.example b/.env.example
index 032b4ec..43d9853 100644
--- a/.env.example
+++ b/.env.example
@@ -27,7 +27,7 @@ SIMPLE_JWT_PREFIX=jwt
 
 # ---- 项目配置 ----
 WEB_URL=http://im.gzydong.club
-IMG_URL=http://im-img0.gzydong.club
+IMG_URL=http://127.0.0.1:9504
 UPLOAD_PATH=/www/data/lumenim
 ## 管理员邮箱
 ADMIN_EMAIL=
diff --git a/app/Helpers/HashIdsHelper.php b/app/Helpers/HashIdsHelper.php
index 897f97e..a66de3e 100644
--- a/app/Helpers/HashIdsHelper.php
+++ b/app/Helpers/HashIdsHelper.php
@@ -44,7 +44,7 @@ class HashIdsHelper
      * @param mixed ...$numbers
      * @return string
      */
-    public static function encode(...$numbers)
+    public static function encode(...$numbers): string
     {
         return self::getHashIds()->encode(...$numbers);
     }
@@ -71,7 +71,7 @@ class HashIdsHelper
      *
      * @return Hashids
      */
-    private static function getHashIds()
+    private static function getHashIds(): Hashids
     {
         if (!self::$hashIds instanceof Hashids) {
             self::$hashIds = new Hashids(self::$secretKey, self::$length);
diff --git a/app/Helpers/JsonHelper.php b/app/Helpers/JsonHelper.php
new file mode 100644
index 0000000..7abd169
--- /dev/null
+++ b/app/Helpers/JsonHelper.php
@@ -0,0 +1,34 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Helpers;
+
+/**
+ * Json 字符串助手
+ *
+ * @package App\Helpers
+ */
+class JsonHelper
+{
+    /**
+     * Json 字符串解析
+     *
+     * @param $value
+     * @return mixed
+     */
+    public static function decode($value)
+    {
+        return json_decode($value, true);
+    }
+
+    /**
+     * Json 加密
+     *
+     * @param $value
+     * @return false|string
+     */
+    public static function encode($value)
+    {
+        return json_encode($value, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+    }
+}
diff --git a/app/Helpers/StringHelper.php b/app/Helpers/StringHelper.php
index d4b87ab..867a5c5 100644
--- a/app/Helpers/StringHelper.php
+++ b/app/Helpers/StringHelper.php
@@ -1,5 +1,6 @@
 <?php
 declare(strict_types=1);
+
 /**
  * This is my open source code, please do not use it for commercial applications.
  * For the full copyright and license information,
@@ -19,13 +20,5 @@ namespace App\Helpers;
  */
 class StringHelper
 {
-    public function jsonEncode()
-    {
 
-    }
-
-    public function jsonDecode()
-    {
-
-    }
 }
diff --git a/app/Listener/TalkMessageListener.php b/app/Listener/TalkMessageListener.php
index 77d458a..18924f2 100644
--- a/app/Listener/TalkMessageListener.php
+++ b/app/Listener/TalkMessageListener.php
@@ -4,7 +4,7 @@ declare(strict_types=1);
 namespace App\Listener;
 
 use App\Event\TalkEvent;
-use App\Support\MessageProducer;
+use App\Support\Message;
 use Hyperf\Event\Contract\ListenerInterface;
 use Hyperf\Event\Annotation\Listener;
 
@@ -28,6 +28,6 @@ class TalkMessageListener implements ListenerInterface
      */
     public function process(object $event)
     {
-        MessageProducer::publish(MessageProducer::create($event->event_name, $event->data));
+        Message::publish(Message::create($event->event_name, $event->data));
     }
 }
diff --git a/app/Support/Mail.php b/app/Support/Mail.php
index 6a8f337..e0a56cb 100644
--- a/app/Support/Mail.php
+++ b/app/Support/Mail.php
@@ -1,9 +1,9 @@
 <?php
+declare(strict_types=1);
 
 namespace App\Support;
 
 use PHPMailer\PHPMailer\PHPMailer;
-use PHPMailer\PHPMailer\Exception;
 
 /**
  * Class Mail
@@ -20,19 +20,34 @@ class Mail
      */
     public function send(string $address, string $subject, string $view): bool
     {
+        $config = config('mail');
         try {
-            $config        = config('mail');
-            $mail          = new PHPMailer();                                                  // PHPMailer对象
-            $mail->CharSet = 'UTF-8';                                                          // 设定邮件编码，默认ISO-8859-1，如果发中文此项必须设置，否则乱码
-            $mail->IsSMTP();                                                                   // 设定使用SMTP服务
-            $mail->SMTPDebug  = 0;                                                              // 关闭SMTP调试功能
-            $mail->SMTPAuth  = true;                                                           // 启用 SMTP 验证功能
-            $mail->SMTPSecure = 'ssl';                                                         // 使用安全协议
-            $mail->Host       = $config['host'];                                               // SMTP 服务器
-            $mail->Port       = $config['port'];                                               // SMTP服务器的端口号
-            $mail->Username   = $config['username'];                                           // SMTP服务器用户名
-            $mail->Password   = $config['password'];                                           // SMTP服务器密码
-            $mail->SetFrom($config['from'], $config['name']);                                  // 邮箱，昵称
+            // PHPMailer对象
+            $mail = new PHPMailer();
+
+            // 设定邮件编码，默认ISO-8859-1，如果发中文此项必须设置，否则乱码
+            $mail->CharSet = 'UTF-8';
+
+            // 设定使用SMTP服务
+            $mail->IsSMTP();
+
+            // 关闭SMTP调试功能
+            $mail->SMTPDebug = 0;
+
+            // 启用 SMTP 验证功能
+            $mail->SMTPAuth = true;
+
+            // 使用安全协议
+            $mail->SMTPSecure = 'ssl';
+
+            // SMTP 服务器
+            $mail->Host     = $config['host'];
+            $mail->Port     = $config['port'];
+            $mail->Username = $config['username'];
+            $mail->Password = $config['password'];
+
+            // 邮箱，昵称
+            $mail->SetFrom($config['from'], $config['name']);
             $mail->Subject = $subject;
             $mail->MsgHTML($view);
             $mail->AddAddress($address); // 收件人
diff --git a/app/Support/MessageProducer.php b/app/Support/Message.php
similarity index 97%
rename from app/Support/MessageProducer.php
rename to app/Support/Message.php
index 821ff75..4af7424 100644
--- a/app/Support/MessageProducer.php
+++ b/app/Support/Message.php
@@ -5,7 +5,7 @@ namespace App\Support;
 
 use App\Constants\RedisSubscribeChan;
 
-class MessageProducer
+class Message
 {
     /**
      * @param string $event
diff --git a/app/Support/Packet.php b/app/Support/Packet.php
deleted file mode 100644
index 5b94b09..0000000
--- a/app/Support/Packet.php
+++ /dev/null
@@ -1,168 +0,0 @@
-<?php
-
-namespace App\Support;
-
-/**
- * Class Packet
- */
-class Packet
-{
-    /**
-     * Socket.io packet type `open`.
-     */
-    const OPEN = 0;
-
-    /**
-     * Socket.io packet type `close`.
-     */
-    const CLOSE = 1;
-
-    /**
-     * Socket.io packet type `ping`.
-     */
-    const PING = 2;
-
-    /**
-     * Socket.io packet type `pong`.
-     */
-    const PONG = 3;
-
-    /**
-     * Socket.io packet type `message`.
-     */
-    const MESSAGE = 4;
-
-    /**
-     * Socket.io packet type 'upgrade'
-     */
-    const UPGRADE = 5;
-
-    /**
-     * Socket.io packet type `noop`.
-     */
-    const NOOP = 6;
-
-    /**
-     * Engine.io packet type `connect`.
-     */
-    const CONNECT = 0;
-
-    /**
-     * Engine.io packet type `disconnect`.
-     */
-    const DISCONNECT = 1;
-
-    /**
-     * Engine.io packet type `event`.
-     */
-    const EVENT = 2;
-
-    /**
-     * Engine.io packet type `ack`.
-     */
-    const ACK = 3;
-
-    /**
-     * Engine.io packet type `error`.
-     */
-    const ERROR = 4;
-
-    /**
-     * Engine.io packet type 'binary event'
-     */
-    const BINARY_EVENT = 5;
-
-    /**
-     * Engine.io packet type `binary ack`. For acks with binary arguments.
-     */
-    const BINARY_ACK = 6;
-
-    /**
-     * Socket.io packet types.
-     */
-    public static $socketTypes = [
-        0 => 'OPEN',
-        1 => 'CLOSE',
-        2 => 'PING',
-        3 => 'PONG',
-        4 => 'MESSAGE',
-        5 => 'UPGRADE',
-        6 => 'NOOP',
-    ];
-
-    /**
-     * Engine.io packet types.
-     */
-    public static $engineTypes = [
-        0 => 'CONNECT',
-        1 => 'DISCONNECT',
-        2 => 'EVENT',
-        3 => 'ACK',
-        4 => 'ERROR',
-        5 => 'BINARY_EVENT',
-        6 => 'BINARY_ACK',
-    ];
-
-    /**
-     * Get socket packet type of a raw payload.
-     *
-     * @param string $packet
-     * @return int|null
-     */
-    public static function getSocketType(string $packet)
-    {
-        $type = $packet[0] ?? null;
-
-        if (!array_key_exists($type, static::$socketTypes)) {
-            return null;
-        }
-
-        return (int)$type;
-    }
-
-    /**
-     * Get data packet from a raw payload.
-     *
-     * @param string $packet
-     * @return array|null
-     */
-    public static function getPayload(string $packet)
-    {
-        $packet = trim($packet);
-        $start  = strpos($packet, '[');
-
-        if ($start === false || substr($packet, -1) !== ']') {
-            return null;
-        }
-
-        $data = substr($packet, $start, strlen($packet) - $start);
-        $data = json_decode($data, true);
-
-        if (is_null($data)) {
-            return null;
-        }
-
-        return [
-            'event' => $data[0],
-            'data'  => $data[1] ?? null,
-        ];
-    }
-
-    /**
-     * Return if a socket packet belongs to specific type.
-     *
-     * @param        $packet
-     * @param string $typeName
-     * @return bool
-     */
-    public static function isSocketType($packet, string $typeName)
-    {
-        $type = array_search(strtoupper($typeName), static::$socketTypes);
-
-        if ($type === false) {
-            return false;
-        }
-
-        return static::getSocketType($packet) === $type;
-    }
-}
diff --git a/app/Support/SocketIOParser.php b/app/Support/SocketIOParser.php
deleted file mode 100644
index 9e9218d..0000000
--- a/app/Support/SocketIOParser.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-namespace App\Support;
-
-class SocketIOParser extends Packet
-{
-    /**
-     * Encode output payload for websocket push.
-     *
-     * @param string $event
-     * @param mixed  $data
-     * @return mixed
-     */
-    public static function encode(string $event, $data)
-    {
-        $packet       = Packet::MESSAGE . Packet::EVENT;
-        $shouldEncode = is_array($data) || is_object($data);
-        $data         = $shouldEncode ? json_encode($data) : $data;
-        $format       = $shouldEncode ? '["%s",%s]' : '["%s","%s"]';
-
-        return $packet . sprintf($format, $event, $data);
-    }
-
-    /**
-     * Decode message from websocket client.
-     *
-     * @param string $string
-     * @return array
-     */
-    public static function decode($string)
-    {
-        $payload = Packet::getPayload($string);
-
-        return [
-            'event' => $payload['event'] ?? null,
-            'data'  => $payload['data'] ?? null,
-        ];
-    }
-}