diff --git a/app/Models/UmengAlias.php b/app/Models/UmengAlias.php
index f9c5b681b..0c3da2fa9 100644
--- a/app/Models/UmengAlias.php
+++ b/app/Models/UmengAlias.php
@@ -215,7 +215,6 @@ class UmengAlias extends AbstractModel
                         ],
                         'channel_properties' => [
                             'oppo_channel_id' => 'dootask',
-                            'oppo_category' => 'IM',
                             'vivo_category' => 'IM',
                             'huawei_channel_importance' => 'NORMAL',
                             'huawei_channel_category' => 'IM',