diff --git a/app/wechat/service/FansService.php b/app/wechat/service/FansService.php
index 1b523182f..26ab4dffc 100644
--- a/app/wechat/service/FansService.php
+++ b/app/wechat/service/FansService.php
@@ -34,7 +34,7 @@ class FansService extends Service
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function set(array $user, string $appid = '')
+    public function set(array $user, string $appid = ''): bool
     {
         if (isset($user['subscribe_time'])) {
             $user['subscribe_at'] = date('Y-m-d H:i:s', $user['subscribe_time']);
@@ -44,20 +44,20 @@ class FansService extends Service
         }
         if ($appid !== '') $user['appid'] = $appid;
         unset($user['privilege'], $user['groupid']);
-        return data_save('WechatFans', $user, 'openid');
+        return !!data_save('WechatFans', $user, 'openid');
     }
 
     /**
      * 获取粉丝信息
      * @param string $openid
-     * @return array|null
+     * @return array
      * @throws \think\db\exception\DataNotFoundException
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function get(string $openid)
+    public function get(string $openid): array
     {
-        return $this->app->db->name('WechatFans')->where(['openid' => $openid])->find();
+        return $this->app->db->name('WechatFans')->where(['openid' => $openid])->find() ?: [];
     }
 
 }
diff --git a/app/wechat/service/MediaService.php b/app/wechat/service/MediaService.php
index 632adac9b..ff6b8ccac 100644
--- a/app/wechat/service/MediaService.php
+++ b/app/wechat/service/MediaService.php
@@ -28,14 +28,14 @@ class MediaService extends Service
 {
     /**
      * 通过图文ID读取图文信息
-     * @param integer $id 本地图文ID
+     * @param mixed $id 本地图文ID
      * @param array $where 额外的查询条件
      * @return array
      * @throws \think\db\exception\DataNotFoundException
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function news($id, $where = [])
+    public function news($id, $where = []): array
     {
         // 文章主体数据
         $data = $this->app->db->name('WechatNews')->where(['id' => $id])->where($where)->find();
@@ -61,7 +61,7 @@ class MediaService extends Service
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function upload(string $url, string $type = 'image', array $video = [])
+    public function upload(string $url, string $type = 'image', array $video = []): string
     {
         $map = ['md5' => md5($url), 'appid' => WechatService::instance()->getAppid()];
         if (($mediaId = $this->app->db->name('WechatMedia')->where($map)->value('media_id'))) return $mediaId;
@@ -76,10 +76,10 @@ class MediaService extends Service
     /**
      * 创建 CURL 文件对象
      * @param string $local 文件路径或网络地址
-     * @return string
+     * @return MyCurlFile
      * @throws \WeChat\Exceptions\LocalCacheException
      */
-    private function _buildCurlFile(string $local)
+    private function _buildCurlFile(string $local): MyCurlFile
     {
         if (file_exists($local)) {
             return new MyCurlFile($local);
diff --git a/app/wechat/service/WechatService.php b/app/wechat/service/WechatService.php
index 71110ad45..d639cadcc 100644
--- a/app/wechat/service/WechatService.php
+++ b/app/wechat/service/WechatService.php
@@ -132,7 +132,7 @@ class WechatService extends Service
      * @param string $name
      * @return array
      */
-    private static function paraseName(string $name)
+    private static function paraseName(string $name): array
     {
         foreach (['WeChat', 'WeMini', 'WeOpen', 'WePay', 'ThinkService'] as $type) {
             if (strpos($name, $type) === 0) {
@@ -168,7 +168,7 @@ class WechatService extends Service
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function getType()
+    public function getType(): string
     {
         $type = strtolower(sysconf('wechat.type'));
         if (in_array($type, ['api', 'thr'])) return $type;
@@ -184,7 +184,7 @@ class WechatService extends Service
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function getConfig()
+    public function getConfig(): array
     {
         $options = [
             'token'          => sysconf('wechat.token'),
@@ -278,7 +278,7 @@ class WechatService extends Service
      * @throws \think\db\exception\DbException
      * @throws \think\db\exception\ModelNotFoundException
      */
-    public function getWebJssdkSign(?string $location = null)
+    public function getWebJssdkSign(?string $location = null): array
     {
         $location = $location ?: $this->app->request->url(true);
         if ($this->getType() === 'api') {