diff --git a/zdxt-web-client/zdxt-admin-plus-ui/src/views/efcode/trend/scan-field/index.vue b/zdxt-web-client/zdxt-admin-plus-ui/src/views/efcode/trend/scan-field/index.vue
index 378671f0..3dcc2cf0 100644
--- a/zdxt-web-client/zdxt-admin-plus-ui/src/views/efcode/trend/scan-field/index.vue
+++ b/zdxt-web-client/zdxt-admin-plus-ui/src/views/efcode/trend/scan-field/index.vue
@@ -123,10 +123,10 @@ const currentField = () => {
   return { domainId: queryParams.field, domainName: item?.domainName };
 };
 
-/** 当前选中的所属区（dictValue→districtCode，dictLabel→districtName） */
+/** 当前选中的所属区（dictLabel→districtName，不再传 districtCode） */
 const currentArea = () => {
   const item = areaOptions.value.find((i: any) => i.dictValue === queryParams.area);
-  return { districtCode: queryParams.area, districtName: item?.dictLabel };
+  return { districtName: item?.dictLabel };
 };
 
 const getList = async () => {