diff --git a/src/views/dashboard/overview/components/UPFFlow/index.vue b/src/views/dashboard/overview/components/UPFFlow/index.vue
index 903f7545..607c3913 100644
--- a/src/views/dashboard/overview/components/UPFFlow/index.vue
+++ b/src/views/dashboard/overview/components/UPFFlow/index.vue
@@ -233,6 +233,7 @@ function fnGetInitData() {
 watch(
   () => upfFlowData.value,
   v => {
+    if (upfFlowChart.value == null) return;
     upfFlowChart.value.setOption({
       xAxis: {
         data: v.lineXTime,