diff --git a/src/views/modules/customerIssue/customerIssuePDAIssueList.vue b/src/views/modules/customerIssue/customerIssuePDAIssueList.vue
index 375e314..ffc12a7 100644
--- a/src/views/modules/customerIssue/customerIssuePDAIssueList.vue
+++ b/src/views/modules/customerIssue/customerIssuePDAIssueList.vue
@@ -844,11 +844,7 @@ export default {
       }
     },
     async prepareComparisonData() {
-      this.shipmentLine = []
-      const params = {
-        site: this.site,
-        workOrderNo: this.orderNo,
-      }
+      const materials = await this.ensureShipmentLineLoaded()
       if (!materials.length) {
         throw new Error('发货单物料清单为空，无法对比')
       }