WebController修正

app/Http/Controllers/Web/WebController.php

@@ -276,9 +276,13 @@ abstract class WebController extends BaseController
             Arr::set($ret, self::COL_NAME_MESSAGES . "." . self::COL_NAME_EMAIL_ID, $this->emailId);
         }
 
-        return response()
-            ->json($ret)
-            ->withHeaders($this->makeHeader());
+        if (request()->wantsJson()) {
+            return response()
+                ->json($ret)
+                ->withHeaders($this->makeHeader());
+        } else {
+            abort(500);
+        }
     }
 
     private function makeHeader(): array