diff --git a/src/views/mapPage/realTimeMap/components-tool/itemAreaSettingDialog.vue b/src/views/mapPage/realTimeMap/components-tool/itemAreaSettingDialog.vue
index c0b32103..7b616ef8 100644
--- a/src/views/mapPage/realTimeMap/components-tool/itemAreaSettingDialog.vue
+++ b/src/views/mapPage/realTimeMap/components-tool/itemAreaSettingDialog.vue
@@ -70,7 +70,9 @@ const form = ref({
 const open = (list) => {
   dialogFormVisible.value = true
   form.value.mapItemIds = list.map((item) => item.id)
-  form.value.areaNumber = form.value.mapItemIds.length
+  form.value.areaNumber = list.reduce((sum, item) => {
+    return sum + item.dataList.length
+  }, 0)
   form.value.areaName = ''
   form.value.skuInfo = ''
 }