Merge branch 'zengjun/退货/2025-08-08退货登记' into testing

src/views/returned/register/index.vue

@@ -1854,7 +1854,7 @@ function submit() {
   }
 
   handleDetails(params.value.details)
-  formData.append('body', JSON.stringify(params.value))
+  formData.append('body', JSON.stringify(JSON.parse(JSON.stringify(params.value))))
   console.log(formData)
   showLoadingToast({
     duration: 0,