diff --git a/src/api/wms/demandforecastingDetail/index.ts b/src/api/wms/demandforecastingDetail/index.ts
index f8c2cfbe6..62f23c7e8 100644
--- a/src/api/wms/demandforecastingDetail/index.ts
+++ b/src/api/wms/demandforecastingDetail/index.ts
@@ -18,7 +18,8 @@ export interface DemandforecastingDetailVO {
 }
 
 // 要货预测-列表和头部请求参数
-const getPageParams = (params)=>{
+const getPageParams = (par) => {
+  const params = { ...par }
   // 到货日期
   if(params.dueDate&&params.dueDate.length>0){
     if(isString(params.dueDate[0])){