diff --git a/frontend/src/business/components/track/case/components/ShowMoreBtn.vue b/frontend/src/business/components/track/case/components/ShowMoreBtn.vue
index 210c1a7b1c..25c016e2e7 100644
--- a/frontend/src/business/components/track/case/components/ShowMoreBtn.vue
+++ b/frontend/src/business/components/track/case/components/ShowMoreBtn.vue
@@ -3,6 +3,7 @@
     <el-dropdown placement="bottom" trigger="click" size="medium">
       <div @click.stop class="show-more-btn">
         <el-tooltip v-if="isShow"
+                    popper-class="batch-popper"
                     :value="!hasShowed"
                     effect="dark"
                     :content="$t('test_track.case.batch_operate')"