修改js_event模板

smtweb-framework/sw-system-bpm/src/main/resources/static/template/js_event.ftl

@@ -4,8 +4,8 @@
 */
 window.$swEvent.setup("${eventPath}", {
   setup(page){
-    const { $params,$refs, $widgets, $model, $utils, $tabRouter, $api } = page;
-    const { $$message, $$http } = $utils;
+    const { $params,$refs, $widgets, $model, $utils, $tabRouter, $api } = page || {};
+    const { $$message, $$http } = $utils || {};
     // 示例
     const demoFunc = () => {
 
@@ -14,4 +14,4 @@ window.$swEvent.setup("${eventPath}", {
       demoFunc,
     }
   }
-});
+});