diff --git a/src/views/business/businessHandling/index.vue b/src/views/business/businessHandling/index.vue
index 883dcfc7..736a68b4 100644
--- a/src/views/business/businessHandling/index.vue
+++ b/src/views/business/businessHandling/index.vue
@@ -790,6 +790,8 @@ export default {
 
       /** 项目部变化 */
       async onDepartChange(value) {
+        this.maForm.projectId = null
+        this.maForm.unitId = null
         if (!value) return
         this.projectInfoList()
       },