config.blade.php as default config view file name.

app/Services/Plugin.php

@@ -135,12 +135,14 @@ class Plugin
 
     public function getConfigView()
     {
-        return $this->hasConfigView() ? view()->file($this->getViewPathByFileName(Arr::get($this->packageInfo, 'config'))) : null;
+        return $this->hasConfigView()
+            ? view()->file($this->getViewPathByFileName(Arr::get($this->packageInfo, 'config', 'config.blade.php')))
+            : null;
     }
 
     public function hasConfigView(): bool
     {
-        $filename = Arr::get($this->packageInfo, 'config');
+        $filename = Arr::get($this->packageInfo, 'config', 'config.blade.php');
 
         return $filename && file_exists($this->getViewPathByFileName($filename));
     }

resources/misc/changelogs/en/next.md

@@ -1,3 +1,7 @@
+## Added
+
+- Plugin system: `config.blade.php` as default config file name.
+
 ## Fixed
 
 - Some fields at administration panel shouldn't be sortable.

resources/misc/changelogs/zh_CN/next.md

@@ -1,3 +1,7 @@
+## 新增
+
+- 插件系统：`config.blade.php` 为默认情况下配置视图文件名
+
 ## 修复
 
 - 管理面板的列表中某些字段不应是可排序的