diff --git a/frontend/src/views/case-management/caseManagementFeature/components/caseTable.vue b/frontend/src/views/case-management/caseManagementFeature/components/caseTable.vue
index cd3eaacd69..b5d8bce9d4 100644
--- a/frontend/src/views/case-management/caseManagementFeature/components/caseTable.vue
+++ b/frontend/src/views/case-management/caseManagementFeature/components/caseTable.vue
@@ -1245,6 +1245,7 @@
       } else {
         reportId.value = res.fileId;
         taskId.value = res.taskId;
+        Message.error(t('caseManagement.featureCase.alreadyExportTasks'));
         startWebsocketGetExportResult();
         showExportingMessage();
       }
diff --git a/frontend/src/views/case-management/caseManagementFeature/components/export/validateResult.vue b/frontend/src/views/case-management/caseManagementFeature/components/export/validateResult.vue
index 4fe236eda7..0b0526fbac 100644
--- a/frontend/src/views/case-management/caseManagementFeature/components/export/validateResult.vue
+++ b/frontend/src/views/case-management/caseManagementFeature/components/export/validateResult.vue
@@ -22,7 +22,7 @@
           <span class="mx-1 font-medium text-[rgb(var(--danger-6))]">{{ validateResultInfo.failCount }}</span>
           {{ t('caseManagement.featureCase.caseCount') }}
         </span>
-        <span v-else>
+        <span v-else-if="validateResultInfo.failCount">
           {{ t('caseManagement.featureCase.partialCaseVerificationFailed') }}
         </span>
         <a-popover
diff --git a/frontend/src/views/case-management/caseManagementFeature/locale/en-US.ts b/frontend/src/views/case-management/caseManagementFeature/locale/en-US.ts
index 8e4a40517a..6ea6ac6a3c 100644
--- a/frontend/src/views/case-management/caseManagementFeature/locale/en-US.ts
+++ b/frontend/src/views/case-management/caseManagementFeature/locale/en-US.ts
@@ -54,6 +54,7 @@ export default {
     'The deleted content will be put into the recycle bin, where data can be recovered',
   'caseManagement.featureCase.deleteCaseTitle': 'Are you sure to delete the {name} use case?',
   'caseManagement.featureCase.export': 'Export',
+  'caseManagement.featureCase.alreadyExportTasks': 'There are already export tasks available',
   'caseManagement.featureCase.exportExcelXlsx': 'Export to Excel format (xlsx)',
   'caseManagement.featureCase.exportExcel': 'Export as Excel',
   'caseManagement.featureCase.exportExcel.exportFormat': 'Export Format',
@@ -246,7 +247,7 @@ export default {
   'caseManagement.featureCase.verifyingFile': 'Verifying file correctness',
   'caseManagement.featureCase.successfulCheck': 'Successful check',
   'caseManagement.featureCase.failCheck': 'Check failure',
-  'caseManagement.featureCase.caseCount': 'Strip use cases',
+  'caseManagement.featureCase.caseCount': 'Strip use cases.',
   'caseManagement.featureCase.viewErrorDetail': 'View error details',
   'caseManagement.featureCase.someCaseImportFailed': 'Some use case import failed',
   'caseManagement.featureCase.ViewMore': 'See more',
@@ -255,7 +256,7 @@ export default {
   'caseManagement.featureCase.backToUploadPage': 'Back to upload page',
   'caseManagement.featureCase.ignoreErrorContinueImporting': 'Ignore&continue',
   'caseManagement.featureCase.partialCheckFailure': 'Partial check failure',
-  'caseManagement.featureCase.partialCaseVerificationFailed': 'Partial case verification failed',
+  'caseManagement.featureCase.partialCaseVerificationFailed': 'Partial case verification failed.',
   'caseManagement.featureCase.CheckFailure': 'Check failure',
   'caseManagement.featureCase.CheckSuccess': 'Check success',
   'caseManagement.featureCase.tableNoData': 'No data available',
diff --git a/frontend/src/views/case-management/caseManagementFeature/locale/zh-CN.ts b/frontend/src/views/case-management/caseManagementFeature/locale/zh-CN.ts
index 5e226d9092..73f6c1a344 100644
--- a/frontend/src/views/case-management/caseManagementFeature/locale/zh-CN.ts
+++ b/frontend/src/views/case-management/caseManagementFeature/locale/zh-CN.ts
@@ -54,6 +54,7 @@ export default {
   'caseManagement.featureCase.deleteCaseTitle': '确认删除 {name} 用例吗？',
   'caseManagement.featureCase.completedDeleteCaseTitle': '确认彻底删除 {name} 用例吗？',
   'caseManagement.featureCase.export': '导出',
+  'caseManagement.featureCase.alreadyExportTasks': '已有导出任务',
   'caseManagement.featureCase.exportExcel': '导出 Excel 格式',
   'caseManagement.featureCase.exportExcelXlsx': '导出 Excel 格式 (xlsx)',
   'caseManagement.featureCase.exportExcel.exportFormat': '导出格式',
@@ -251,7 +252,7 @@ export default {
   'caseManagement.featureCase.backToUploadPage': '返回上传页',
   'caseManagement.featureCase.ignoreErrorContinueImporting': '忽略错误继续导入',
   'caseManagement.featureCase.partialCheckFailure': '部分校验失败',
-  'caseManagement.featureCase.partialCaseVerificationFailed': '部分用例检验失败',
+  'caseManagement.featureCase.partialCaseVerificationFailed': '部分用例检验失败；',
   'caseManagement.featureCase.CheckFailure': '校验失败',
   'caseManagement.featureCase.CheckSuccess': '校验成功',
   'caseManagement.featureCase.tableNoData': '暂无数据',