diff --git a/src/views/dataNetworkDiskManagement/committee/modules/CommitteeModule.vue b/src/views/dataNetworkDiskManagement/committee/modules/CommitteeModule.vue
index 307c54d..563eed6 100644
--- a/src/views/dataNetworkDiskManagement/committee/modules/CommitteeModule.vue
+++ b/src/views/dataNetworkDiskManagement/committee/modules/CommitteeModule.vue
@@ -136,6 +136,7 @@ export default {
       this.form.resetFields()
       this.model = Object.assign({}, record)
       this.visible = true
+      this.model.principalIdB = this.model.principalIdB || undefined
       this.$nextTick(() => {
         this.form.setFieldsValue(pick(this.model, 'name', 'abbreviation', 'remarks', 'principalIdA', 'principalIdB'))
       })