diff --git a/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/signal-message/SignalAndMessage.vue b/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/signal-message/SignalAndMessage.vue
index f9f813a9e..c05793c3f 100644
--- a/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/signal-message/SignalAndMessage.vue
+++ b/apps/web-antd/src/views/bpm/components/bpmn-process-designer/package/penal/signal-message/SignalAndMessage.vue
@@ -136,6 +136,8 @@ const addNewObject = () => {
     }
   }
   dialogVisible.value = false;
+  // 触发建模器更新以保存更改
+  saveChanges();
   initDataList();
 };
 
@@ -155,6 +157,8 @@ const removeObject = (type: any, row: any) => {
       if (elementIndex !== -1) {
         rootElements.value.splice(elementIndex, 1);
       }
+      // 触发建模器更新以保存更改
+      saveChanges();
       // 刷新列表
       initDataList();
       message.success('移除成功');
@@ -165,6 +169,39 @@ const removeObject = (type: any, row: any) => {
   });
 };
 
+// 触发建模器更新以保存更改
+const saveChanges = () => {
+  const modeler = bpmnInstances().modeler;
+  if (!modeler) return;
+
+  try {
+    // 获取 canvas，通过它来触发图表的重新渲染
+    const canvas = modeler.get('canvas');
+
+    // 获取根元素（Process）
+    const rootElement = canvas.getRootElement();
+
+    // 触发 changed 事件，通知建模器数据已更改
+    const eventBus = modeler.get('eventBus');
+    if (eventBus) {
+      eventBus.fire('root.added', { element: rootElement });
+      eventBus.fire('elements.changed', { elements: [rootElement] });
+    }
+
+    // 标记建模器为已修改状态
+    const commandStack = modeler.get('commandStack');
+    if (commandStack && commandStack._stack) {
+      // 添加一个空命令以标记为已修改
+      commandStack.execute('element.updateProperties', {
+        element: rootElement,
+        properties: {},
+      });
+    }
+  } catch (error) {
+    console.warn('保存更改时出错:', error);
+  }
+};
+
 onMounted(() => {
   initDataList();
 });