diff --git a/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTable.vue b/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTable.vue
index 409a001d..5169a77f 100644
--- a/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTable.vue
+++ b/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTable.vue
@@ -289,9 +289,11 @@ export default {
       return this.getNumParentNode(el.parentNode, n - 1)
     },
     handleAdd () {
-      this.$refs.extensionRequestTableModal.show({
+      const selectedIds = this.dataSource.map(item => item.inspectId)
+      const data = {
         projectId: this.projectId
-      })
+      }
+      this.$refs.extensionRequestTableModal.show(data, selectedIds)
     },
     filterOption (input, option) {
       return (
diff --git a/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTableModal.vue b/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTableModal.vue
index bace5889..c6a03fcb 100644
--- a/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTableModal.vue
+++ b/src/views/workCenter/inspectionExtensionRequestProcess/modules/ExtensionRequestTableModal.vue
@@ -127,7 +127,9 @@ export default {
     }
   },
   methods: {
-    show (record) {
+    show (record, selectedIds) {
+      // 已经选择的ids
+      this.selectedIds = selectedIds
       this.filters.inspectStatus = '1,2,4'
       this.filters.inspectUser = this.$store.getters.userInfo.id
       this.loadData()
@@ -140,6 +142,11 @@ export default {
         this.$message.warn(this.$t('selectLeastOne'))
         return
       }
+      // 验证不能重复选择
+      if (this.selectedRowKeys.some(item => this.selectedIds.includes(item))) {
+        this.$message.warn(this.$t('cannotAddAgain'))
+        return
+      }
       const data = this.selectionRows.map(item => {
         item.inspectId = item.id
         delete item.id