议题状态调整

webmain/task/openapi/openmeetAction.php

@@ -130,7 +130,7 @@ class openmeetClassAction extends openapiAction
                         }
                     }
                 }
-                if (count($data['participants']) == 0) {
+                if (isset($data['participants']) && count($data['participants']) == 0) {
                     $data['participants'] = [];
                 }