修改我的频道编辑的BUG

app/Http/Controllers/Api/UserChannelController.php

@@ -9,15 +9,17 @@ class UserChannelController extends Controller
     // 我的频道编辑
     public function update()
     {
-        $formData = request()->only('channels');
-        $channels = array_filter(json_decode($formData['channels'], true));
-        if (!$channels) {
-            return $this->error('未选择任何频道');
-        }
+		$channels = request()->input('channels');
+		$channels = json_decode($channels, true);
+		if (!$channels) {
+			return $this->error('未选择任何频道');
+		}
+        $channels = array_unique(array_filter($channels));
 
         $UserChannel = UserChannel::where('user_id', $this->user_id)->first();
         $UserChannel->channels = $channels;
         $UserChannel->save();
+
         return $this->success();
     }
 }