diff --git a/src/views/materialsStation/toolsBack/back/component/dialogFormByCq.vue b/src/views/materialsStation/toolsBack/back/component/dialogFormByCq.vue
index e6587640..2373e489 100644
--- a/src/views/materialsStation/toolsBack/back/component/dialogFormByCq.vue
+++ b/src/views/materialsStation/toolsBack/back/component/dialogFormByCq.vue
@@ -312,7 +312,7 @@ export default {
       getBackApplyInfo(this.rowObj.id).then(res => {
         console.log(res)
         this.tableData = res.data.backApplyDetailsList
-        this.approveSignList = res.data.backApplyInfo.approveSignList
+        this.approveSignList = res.data.backApplyInfo.approveSignList || []
         console.log('🚀 ~ 审核 ~ this.approveSignList:', this.approveSignList)
         this.backSignUrl = res.data.backApplyInfo.backSignUrl
         this.backSignType = res.data.backApplyInfo.backSignType