diff --git a/frontend/src/components/pure/ms-tag/ms-tag-group.vue b/frontend/src/components/pure/ms-tag/ms-tag-group.vue
index f9e3af9835..291b6fb284 100644
--- a/frontend/src/components/pure/ms-tag/ms-tag-group.vue
+++ b/frontend/src/components/pure/ms-tag/ms-tag-group.vue
@@ -117,7 +117,7 @@
   });
 
   function getTagContent(tag: { [x: string]: any }) {
-    const tagContent = props.isStringTag ? tag : tag[props.nameKey];
+    const tagContent = (props.isStringTag ? tag : tag[props.nameKey]) || '';
     if (props.showTable) {
       return tagContent.length > 16 ? characterLimit(tagContent, 9) : tagContent;
     }
diff --git a/frontend/src/views/test-plan/testPlan/detail/featureCase/components/caseTable.vue b/frontend/src/views/test-plan/testPlan/detail/featureCase/components/caseTable.vue
index e6d28ea898..2cff7c1962 100644
--- a/frontend/src/views/test-plan/testPlan/detail/featureCase/components/caseTable.vue
+++ b/frontend/src/views/test-plan/testPlan/detail/featureCase/components/caseTable.vue
@@ -349,6 +349,7 @@
       dataIndex: 'tags',
       showDrag: true,
       isTag: true,
+      isStringTag: true,
     },
     {
       title: 'caseManagement.featureCase.tableColumnCreateTime',