diff --git a/src/views/workCenter/enterpriseStandardInitChange/PlanApprovalChangeFlow.vue b/src/views/workCenter/enterpriseStandardInitChange/PlanApprovalChangeFlow.vue
index 7f734396..e24bc692 100644
--- a/src/views/workCenter/enterpriseStandardInitChange/PlanApprovalChangeFlow.vue
+++ b/src/views/workCenter/enterpriseStandardInitChange/PlanApprovalChangeFlow.vue
@@ -981,7 +981,11 @@ export default {
                   if ([ProjectType.ENACT.value, ProjectType.MODIFY.value, ProjectType.MERGE.value].includes(this.formInline.projectType)) {
                     // 是制定修订或者合并，重新获取企标编号
                     this.loading = true
-                    await this.$refs.approvalBaseInfo.getEnStandardNo()
+                    if (this.$refs.approvalBaseInfo) {
+                      await this.$refs.approvalBaseInfo.getEnStandardNo()
+                    } else if (this.$refs.changeBaseInfo) {
+                      await this.$refs.changeBaseInfo.getEnStandardNo()
+                    }
                     setTimeout(() => {
                       this.loading = false
                       // 提示顺序号已重新生成