diff --git a/test-track/frontend/src/business/case/components/TestCaseTestRelate.vue b/test-track/frontend/src/business/case/components/TestCaseTestRelate.vue
index 2f93752e68..537d14236e 100644
--- a/test-track/frontend/src/business/case/components/TestCaseTestRelate.vue
+++ b/test-track/frontend/src/business/case/components/TestCaseTestRelate.vue
@@ -1,7 +1,7 @@
 <template>
   <div>
 
-    <el-dropdown  @command="handleCommand">
+    <el-dropdown  @command="handleCommand" :disabled="readOnly">
       <el-button type="primary" size="mini" :disabled="readOnly">
         {{$t('test_track.case.relate_test')}}<i class="el-icon-arrow-down el-icon--right"></i>
       </el-button>