修改插件

plugins/addon/theme_configurator/controller/ThemeController.php

@@ -32,7 +32,17 @@ class ThemeController extends PluginAdminBaseController
      */
     public function save(): Response
     {
+        // 兼容 application/json 与表单提交两种方式获取参数
         $param = $this->request->param();
+        if (empty($param)) {
+            $raw = $this->request->getContent();
+            if ($raw) {
+                $json = json_decode($raw, true);
+                if (is_array($json)) {
+                    $param = $json;
+                }
+            }
+        }
 
         // 与前端 payload 结构保持一致，只取需要的字段入库
         $payload = [