fix

@@ -819,7 +819,7 @@ export default {
           // 内部刷新graph数据
           // 内部刷新graph数据
           nextTick(() => {
           nextTick(() => {
             editor.editorState.graph.read(flowData.value)
             editor.editorState.graph.read(flowData.value)
-            editor1.editorState.graph.read(rawFlowData.value)
+            editor1?.editorState.graph.read(rawFlowData.value)
           });
           });
         }
         }