diff --git a/project-management/frontend/src/business/menu/template/CustomFieldFormList.vue b/project-management/frontend/src/business/menu/template/CustomFieldFormList.vue
index 6812253d5d..b4e8b65e6c 100644
--- a/project-management/frontend/src/business/menu/template/CustomFieldFormList.vue
+++ b/project-management/frontend/src/business/menu/template/CustomFieldFormList.vue
@@ -43,7 +43,7 @@
       width="80"
       prop="type">
       <template v-slot="scope">
-        <el-checkbox v-model="scope.row.required"/>
+        <el-checkbox :disabled="scope.row.disabled" v-model="scope.row.required"/>
       </template>
     </ms-table-column>
 
diff --git a/project-management/frontend/src/business/menu/template/FieldTemplateEdit.vue b/project-management/frontend/src/business/menu/template/FieldTemplateEdit.vue
index fae66b2f13..68aebdadf7 100644
--- a/project-management/frontend/src/business/menu/template/FieldTemplateEdit.vue
+++ b/project-management/frontend/src/business/menu/template/FieldTemplateEdit.vue
@@ -197,6 +197,9 @@ export default {
         this.loading = getCustomFieldTemplates(condition).then((response) => {
           this.relateFields = response.data;
           this.relateFields.forEach(item => {
+            if (item.name === '用例等级' && item.system) {
+              item.disabled = true;
+            }
             if (item.options) {
               item.options = JSON.parse(item.options);
             }
@@ -221,6 +224,10 @@ export default {
       this.loading = getCustomFieldDefault(condition).then((response) => {
         let data = response.data;
         data.forEach(item => {
+          if (item.name === '用例等级' && item.system && item.scene === 'TEST_CASE') {
+            item.required = true;
+            item.disabled = true;
+          }
           if (item.id) {
             this.templateContainIds.add(item.id);
           }
diff --git a/test-track/backend/src/main/resources/db/migration/2.8.0/dml/V10_1__edit_custom_field_test_case_priority_require.sql b/test-track/backend/src/main/resources/db/migration/2.8.0/dml/V10_1__edit_custom_field_test_case_priority_require.sql
new file mode 100644
index 0000000000..6b7b0201fb
--- /dev/null
+++ b/test-track/backend/src/main/resources/db/migration/2.8.0/dml/V10_1__edit_custom_field_test_case_priority_require.sql
@@ -0,0 +1,8 @@
+SET SESSION innodb_lock_wait_timeout = 7200;
+
+-- 修改自定义字段用例等级为必填字段
+UPDATE custom_field_template SET required = 1 WHERE field_id IN (
+    SELECT id FROM custom_field WHERE scene = 'TEST_CASE' AND name = '用例等级' AND `system` is true
+);
+
+SET SESSION innodb_lock_wait_timeout = DEFAULT;
diff --git a/test-track/frontend/src/business/case/components/public/PublicTestCaseList.vue b/test-track/frontend/src/business/case/components/public/PublicTestCaseList.vue
index 5dcd313685..59295b6d98 100644
--- a/test-track/frontend/src/business/case/components/public/PublicTestCaseList.vue
+++ b/test-track/frontend/src/business/case/components/public/PublicTestCaseList.vue
@@ -142,7 +142,7 @@
           :fields-width="fieldsWidth"
           :label="$t('commons.tag')"
           :show-overflow-tooltip="false"
-          min-width="80">
+          min-width="180">
           <template v-slot:default="scope">
             <el-tooltip class="item" effect="dark" placement="top">
                 <div v-html="getTagToolTips(scope.row.tags)" slot="content"></div>