fix 新增规则引擎

jetlinks-manager/notify-manager/src/main/java/org/jetlinks/community/notify/manager/web/NotifierTemplateController.java

@@ -48,11 +48,12 @@ public class NotifierTemplateController implements ReactiveServiceCrudController
     @PatchMapping("/save")
     @SaveAction
     @Operation(summary = "修改模板信息")
-    public Mono<SaveResult> updateOrSave(@RequestBody Flux<NotifyTemplateEntity> payload) {
+    public Mono<SaveResult> updateOrSave(@RequestBody NotifyTemplateEntity payload) {
         return this.templateService
             .save(payload)
             .flatMap(result->
-                payload.flatMap(entity->templateManager.reload(entity.getId()))
+                Mono.just(payload)
+                    .flatMap(entity->templateManager.reload(entity.getId()))
                     .then(Mono.just(result))
             );
     }