diff --git a/config/exception-notify.php b/config/exception-notify.php
index 950d6b6..ffab8f2 100644
--- a/config/exception-notify.php
+++ b/config/exception-notify.php
@@ -87,7 +87,7 @@
     /**
      * The default reported channels.
      */
-    'defaults' => [
+    'defaults' => env('EXCEPTION_NOTIFY_DEFAULTS', [
         // 'bark',
         // 'chanify',
         // 'dingTalk',
@@ -104,7 +104,7 @@
         // 'telegram',
         // 'weWork',
         // 'xiZhi',
-    ],
+    ]),
 
     /**
      * The list of channels.
diff --git a/src/ExceptionNotifyManager.php b/src/ExceptionNotifyManager.php
index a45965c..65c30ff 100644
--- a/src/ExceptionNotifyManager.php
+++ b/src/ExceptionNotifyManager.php
@@ -83,10 +83,9 @@ public function report(\Throwable $throwable, $channels = null): void
                 return;
             }
 
-            $dispatch = dispatch(new ReportExceptionJob(app(CollectorManager::class)->mapToReports(
-                (array) ($channels ?? config('exception-notify.defaults')),
-                $throwable
-            )));
+            $dispatch = dispatch(new ReportExceptionJob(
+                app(CollectorManager::class)->mapToReports($this->getChannels($channels), $throwable)
+            ));
 
             if (
                 ! $this->container->runningInConsole()
@@ -107,6 +106,19 @@ public function getDefaultDriver()
         return Arr::first(config('exception-notify.defaults'));
     }
 
+    /**
+     * @param array|string $channels
+     */
+    protected function getChannels($channels): array
+    {
+        $channels ??= config('exception-notify.defaults');
+        if (\is_string($channels)) {
+            $channels = explode(',', $channels);
+        }
+
+        return (array) $channels;
+    }
+
     /**
      * @throws BindingResolutionException
      *