diff --git a/backend/services/bug-management/src/main/java/io/metersphere/bug/dto/response/BugRelateCaseDTO.java b/backend/services/bug-management/src/main/java/io/metersphere/bug/dto/response/BugRelateCaseDTO.java
index 8f5c0e9827..11602eb075 100644
--- a/backend/services/bug-management/src/main/java/io/metersphere/bug/dto/response/BugRelateCaseDTO.java
+++ b/backend/services/bug-management/src/main/java/io/metersphere/bug/dto/response/BugRelateCaseDTO.java
@@ -9,6 +9,9 @@ public class BugRelateCaseDTO{
     @Schema(description = "关联ID")
     private String relateId;
 
+    @Schema(description = "关联用例ID")
+    private String relateCaseId;
+
     @Schema(description = "关联用例名称")
     private String relateCaseName;
 
diff --git a/backend/services/bug-management/src/main/java/io/metersphere/bug/mapper/ExtBugRelateCaseMapper.xml b/backend/services/bug-management/src/main/java/io/metersphere/bug/mapper/ExtBugRelateCaseMapper.xml
index d44dc4a765..d87dd0f0d5 100644
--- a/backend/services/bug-management/src/main/java/io/metersphere/bug/mapper/ExtBugRelateCaseMapper.xml
+++ b/backend/services/bug-management/src/main/java/io/metersphere/bug/mapper/ExtBugRelateCaseMapper.xml
@@ -11,7 +11,6 @@
         from functional_case_module fcm left join functional_case fc on fc.module_id = fcm.id
         where fc.deleted = #{deleted}
             and fc.project_id = #{request.projectId}
-            and fc.version_id = #{request.versionId}
             and fc.id not in
             (
                 select brc.case_id from bug_relation_case brc where brc.bug_id = #{request.sourceId} and brc.case_type = #{request.sourceType}
@@ -46,7 +45,7 @@
     </select>
 
     <select id="list" resultType="io.metersphere.bug.dto.response.BugRelateCaseDTO">
-        select fc.num relateId, fc.name relateCaseName, fc.project_id projectId, fc.version_id versionId, brc.case_type relateCaseType,
+        select brc.id relateId, fc.num relateCaseId, fc.name relateCaseName, fc.project_id projectId, fc.version_id versionId, brc.case_type relateCaseType,
                brc.test_plan_id is not null relatePlanCase, brc.case_id is not null relateCase
         from bug_relation_case brc join functional_case fc on (brc.case_id = fc.id or brc.test_plan_case_id = fc.id)
         where brc.bug_id = #{request.bugId} and fc.deleted = false
diff --git a/backend/services/case-management/src/main/java/io/metersphere/functional/mapper/ExtFunctionalCaseMapper.xml b/backend/services/case-management/src/main/java/io/metersphere/functional/mapper/ExtFunctionalCaseMapper.xml
index b7f1508622..b447aeff16 100644
--- a/backend/services/case-management/src/main/java/io/metersphere/functional/mapper/ExtFunctionalCaseMapper.xml
+++ b/backend/services/case-management/src/main/java/io/metersphere/functional/mapper/ExtFunctionalCaseMapper.xml
@@ -713,7 +713,6 @@
         from functional_case fc left join project_version pv ON fc.version_id = pv.id
         where fc.deleted = #{deleted}
             and fc.project_id = #{request.projectId}
-            and fc.version_id = #{request.versionId}
             and fc.id not in
             (
                 select brc.case_id from bug_relation_case brc where brc.bug_id = #{request.sourceId} and brc.case_type = #{request.sourceType}
diff --git a/backend/services/case-management/src/main/java/io/metersphere/functional/provider/AssociateCaseProvider.java b/backend/services/case-management/src/main/java/io/metersphere/functional/provider/AssociateCaseProvider.java
index c9b6c994bc..9c8df79978 100644
--- a/backend/services/case-management/src/main/java/io/metersphere/functional/provider/AssociateCaseProvider.java
+++ b/backend/services/case-management/src/main/java/io/metersphere/functional/provider/AssociateCaseProvider.java
@@ -1,25 +1,45 @@
 package io.metersphere.functional.provider;
 
 import io.metersphere.dto.TestCaseProviderDTO;
+import io.metersphere.functional.dto.FunctionalCaseCustomFieldDTO;
 import io.metersphere.functional.mapper.ExtFunctionalCaseMapper;
+import io.metersphere.functional.service.FunctionalCaseService;
 import io.metersphere.provider.BaseAssociateCaseProvider;
 import io.metersphere.request.AssociateOtherCaseRequest;
 import io.metersphere.request.TestCasePageProviderRequest;
+import io.metersphere.sdk.util.Translator;
 import jakarta.annotation.Resource;
 import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.Optional;
 
 @Service
 public class AssociateCaseProvider implements BaseAssociateCaseProvider {
 
+    @Resource
+    private FunctionalCaseService functionalCaseService;
     @Resource
     private ExtFunctionalCaseMapper extFunctionalCaseMapper;
 
     @Override
     public List<TestCaseProviderDTO> listUnRelatedTestCaseList(TestCasePageProviderRequest testCasePageProviderRequest) {
-        return extFunctionalCaseMapper.listUnRelatedCaseWithBug(testCasePageProviderRequest, false, testCasePageProviderRequest.getSortString());
+        List<TestCaseProviderDTO> functionalCases = extFunctionalCaseMapper.listUnRelatedCaseWithBug(testCasePageProviderRequest, false, testCasePageProviderRequest.getSortString());
+        if (CollectionUtils.isEmpty(functionalCases)) {
+            return new ArrayList<>();
+        }
+        List<String> ids = functionalCases.stream().map(TestCaseProviderDTO::getId).toList();
+        Map<String, List<FunctionalCaseCustomFieldDTO>> caseCustomFiledMap = functionalCaseService.getCaseCustomFiledMap(ids);
+        functionalCases.forEach(functionalCase -> {
+            List<FunctionalCaseCustomFieldDTO> customFields = caseCustomFiledMap.get(functionalCase.getId());
+            Optional<FunctionalCaseCustomFieldDTO> priorityField = customFields.stream().filter(field -> StringUtils.equals(Translator.get("custom_field.functional_priority"), field.getFieldName())).findFirst();
+			priorityField.ifPresent(functionalCaseCustomFieldDTO -> functionalCase.setPriority(functionalCaseCustomFieldDTO.getDefaultValue()));
+        });
+        return functionalCases;
     }
 
     @Override
diff --git a/frontend/src/api/requrls/bug-management.ts b/frontend/src/api/requrls/bug-management.ts
index 5c6e41fe66..e5872cc3b6 100644
--- a/frontend/src/api/requrls/bug-management.ts
+++ b/frontend/src/api/requrls/bug-management.ts
@@ -62,7 +62,7 @@ export const getDemandListUrl = '/bug/case/page';
 // 批量添加关联
 export const postAddDemandUrl = '/bug/case/relate';
 // 单个取消关联
-export const getCancelDemandUrl = '/bug/case/un-relate/';
+export const getCancelDemandUrl = '/bug/case/un-relate';
 // 未关联的用例列表
 export const getUnrelatedDemandListUrl = '/bug/case/un-relate/page';
 // 未关联的模块树
diff --git a/frontend/src/components/business/ms-case-associate/index.vue b/frontend/src/components/business/ms-case-associate/index.vue
index 975376c126..c78c828389 100644
--- a/frontend/src/components/business/ms-case-associate/index.vue
+++ b/frontend/src/components/business/ms-case-associate/index.vue
@@ -112,7 +112,7 @@
             </a-tooltip>
           </template>
           <template #caseLevel="{ record }">
-            <caseLevel :case-level="getCaseLevel(record)" />
+            <span>{{ t(record.priority) }}</span>
           </template>
         </ms-base-table>
         <div class="footer">
@@ -141,35 +141,33 @@
 </template>
 
 <script setup lang="ts">
-  import { computed, ref, watch } from 'vue';
-  import { useRouter } from 'vue-router';
-  import { useVModel } from '@vueuse/core';
+import {computed, ref, watch} from 'vue';
+import {useRouter} from 'vue-router';
+import {useVModel} from '@vueuse/core';
 
-  import { CustomTypeMaps, MsAdvanceFilter } from '@/components/pure/ms-advance-filter';
-  import { FilterFormItem, FilterType } from '@/components/pure/ms-advance-filter/type';
-  import MsDrawer from '@/components/pure/ms-drawer/index.vue';
-  import MsIcon from '@/components/pure/ms-icon-font/index.vue';
-  import MsBaseTable from '@/components/pure/ms-table/base-table.vue';
-  import { MsTableColumn } from '@/components/pure/ms-table/type';
-  import useTable from '@/components/pure/ms-table/useTable';
-  import MsProjectSelect from '@/components/business/ms-project-select/index.vue';
-  import MsTree from '@/components/business/ms-tree/index.vue';
-  import type { MsTreeNodeData } from '@/components/business/ms-tree/types';
-  import caseLevel from './caseLevel.vue';
+import {CustomTypeMaps, MsAdvanceFilter} from '@/components/pure/ms-advance-filter';
+import {FilterFormItem, FilterType} from '@/components/pure/ms-advance-filter/type';
+import MsDrawer from '@/components/pure/ms-drawer/index.vue';
+import MsIcon from '@/components/pure/ms-icon-font/index.vue';
+import MsBaseTable from '@/components/pure/ms-table/base-table.vue';
+import {MsTableColumn} from '@/components/pure/ms-table/type';
+import useTable from '@/components/pure/ms-table/useTable';
+import MsProjectSelect from '@/components/business/ms-project-select/index.vue';
+import MsTree from '@/components/business/ms-tree/index.vue';
+import type {MsTreeNodeData} from '@/components/business/ms-tree/types';
+import caseLevel from './caseLevel.vue';
 
-  import { getCustomFieldsTable } from '@/api/modules/case-management/featureCase';
-  import { useI18n } from '@/hooks/useI18n';
-  import useAppStore from '@/store/modules/app';
-  import { mapTree } from '@/utils';
+import {getCustomFieldsTable} from '@/api/modules/case-management/featureCase';
+import {useI18n} from '@/hooks/useI18n';
+import useAppStore from '@/store/modules/app';
+import {mapTree} from '@/utils';
 
-  import type { CaseManagementTable } from '@/models/caseManagement/featureCase';
-  import type { CommonList, ModuleTreeNode, TableQueryParams } from '@/models/common';
-  import { CaseManagementRouteEnum } from '@/enums/routeEnum';
+import type {CaseManagementTable} from '@/models/caseManagement/featureCase';
+import type {CommonList, ModuleTreeNode, TableQueryParams} from '@/models/common';
+import {CaseManagementRouteEnum} from '@/enums/routeEnum';
+import {initGetModuleCountFunc, type RequestModuleEnum} from './utils';
 
-  import type { CaseLevel } from './types';
-  import { initGetModuleCountFunc, type RequestModuleEnum } from './utils';
-
-  const router = useRouter();
+const router = useRouter();
   const appStore = useAppStore();
   const { t } = useI18n();
 
@@ -363,20 +361,7 @@
       title: 'ms.case.associate.tags',
       dataIndex: 'tags',
       isTag: true,
-    },
-    {
-      title: 'caseManagement.featureCase.tableColumnCreateUser',
-      dataIndex: 'createUserName',
-      showInTable: true,
-      width: 300,
-    },
-    {
-      title: 'caseManagement.featureCase.tableColumnCreateTime',
-      slotName: 'createTime',
-      dataIndex: 'createTime',
-      showInTable: true,
-      width: 300,
-    },
+    }
   ];
 
   const { propsRes, propsEvent, loadList, setLoadListParams, resetSelector } = useTable(
@@ -568,11 +553,6 @@
     emit('save', params);
   }
 
-  // 用例等级
-  function getCaseLevel(record: CaseManagementTable) {
-    return (record.customFields.find((item: any) => item.name === '用例等级')?.value as CaseLevel) || 'P1';
-  }
-
   function openDetail(id: string) {
     window.open(
       `${window.location.origin}#${
diff --git a/frontend/src/locale/en-US/common.ts b/frontend/src/locale/en-US/common.ts
index 25d6786436..33d0bb3352 100644
--- a/frontend/src/locale/en-US/common.ts
+++ b/frontend/src/locale/en-US/common.ts
@@ -36,6 +36,7 @@ export default {
   'common.saveSuccess': 'Save success',
   'common.saveFailed': 'Save failed',
   'common.linkSuccess': 'Link success',
+  'common.unLinkSuccess': 'Unlink success',
   'common.confirmEnable': 'Confirm enable',
   'common.confirmEnd': 'Confirm end',
   'common.confirmStart': 'Confirm start',
@@ -122,4 +123,6 @@ export default {
   'common.apply': 'Apply',
   'common.stop': 'Stop',
   'common.module': 'Module',
+  'common.yes': 'Yes',
+  'common.no': 'No'
 };
diff --git a/frontend/src/locale/zh-CN/common.ts b/frontend/src/locale/zh-CN/common.ts
index d69b0314c2..be87645c4e 100644
--- a/frontend/src/locale/zh-CN/common.ts
+++ b/frontend/src/locale/zh-CN/common.ts
@@ -38,6 +38,7 @@ export default {
   'common.saveSuccess': '保存成功',
   'common.saveFailed': '保存失败',
   'common.linkSuccess': '关联成功',
+  'common.unLinkSuccess': '取消关联成功',
   'common.confirmEnable': '确认启用',
   'common.confirmDisable': '确认禁用',
   'common.confirmClose': '确认关闭',
@@ -125,4 +126,6 @@ export default {
   'common.apply': '应用',
   'common.stop': '停止',
   'common.module': '模块',
+  'common.yes': '是',
+  'common.no': '否'
 };
diff --git a/frontend/src/views/bug-management/components/bugCaseTab.vue b/frontend/src/views/bug-management/components/bugCaseTab.vue
index a3e487c744..045a2ed322 100644
--- a/frontend/src/views/bug-management/components/bugCaseTab.vue
+++ b/frontend/src/views/bug-management/components/bugCaseTab.vue
@@ -13,7 +13,7 @@
     </div>
     <ms-base-table v-bind="propsRes" v-on="propsEvent">
       <template #defectName="{ record }">
-        <span class="one-line-text max-w[300px]"> {{ record.name }}</span
+        <span class="one-line-text max-w[300px]"> {{ record.relateCaseName }}</span
         ><span class="ml-1 text-[rgb(var(--primary-5))]">{{ t('caseManagement.featureCase.preview') }}</span>
       </template>
       <template #operation="{ record }">
@@ -27,6 +27,29 @@
           </MsButton>
         </div>
       </template>
+      <template #relatePlanTitle>
+        <div class="flex items-center">
+          <div class="font-medium text-[var(--color-text-3)]">
+            {{ t('bugManagement.detail.isPlanRelateCase') }}
+          </div>
+          <a-popover position="rt">
+            <icon-question-circle
+                class="ml-[4px] text-[var(--color-text-3)] hover:text-[rgb(var(--primary-5))]"
+                size="16"
+            />
+            <template #title>
+              <div class="w-[300px]"> {{ t('bugManagement.detail.isPlanRelateCaseTip1') }} </div>
+              <br>
+              <div class="w-[300px]"> {{ t('bugManagement.detail.isPlanRelateCaseTip2') }} </div>
+              <br>
+              <div class="w-[300px]"> {{ t('bugManagement.detail.isPlanRelateCaseTip3') }} </div>
+            </template>
+          </a-popover>
+        </div>
+      </template>
+      <template #isRelatePlanCase = "{ record }">
+        <span class="text-[var(--color-text-1)]">{{record.isRelatePlanCase ? t('common.yes') : t('common.no') }}</span>
+      </template>
     </ms-base-table>
     <MsCaseAssociate
       v-model:visible="innerVisible"
@@ -98,7 +121,7 @@ const appStore = useAppStore();
   const columns: MsTableColumn = [
     {
       title: 'caseManagement.featureCase.tableColumnID',
-      dataIndex: 'id',
+      dataIndex: 'relateCaseId',
       width: 200,
       showInTable: true,
       showTooltip: true,
@@ -107,8 +130,17 @@ const appStore = useAppStore();
     },
     {
       title: 'caseManagement.featureCase.tableColumnName',
-      slotName: 'name',
-      dataIndex: 'name',
+      dataIndex: 'relateCaseName',
+      showInTable: true,
+      showTooltip: true,
+      width: 300,
+      ellipsis: true,
+      showDrag: false,
+    },
+    {
+      title: 'bugManagement.detail.isPlanRelateCase',
+      titleSlotName: 'relatePlanTitle',
+      slotName: 'isRelatePlanCase',
       showInTable: true,
       showTooltip: true,
       width: 300,
@@ -127,8 +159,7 @@ const appStore = useAppStore();
     },
     {
       title: 'caseManagement.featureCase.tableColumnVersion',
-      slotName: 'version',
-      dataIndex: 'version',
+      dataIndex: 'versionName',
       showInTable: true,
       showTooltip: true,
       width: 300,
@@ -137,8 +168,7 @@ const appStore = useAppStore();
     },
     {
       title: 'caseManagement.featureCase.changeType',
-      slotName: 'type',
-      dataIndex: 'type',
+      dataIndex: 'relateCaseTypeName',
       showInTable: true,
       showTooltip: true,
       width: 300,
@@ -194,8 +224,10 @@ const appStore = useAppStore();
 
   async function cancelLink(record: any) {
     try {
-      const { id } = record;
-      await cancelAssociation(id);
+      const { relateId } = record;
+      await cancelAssociation(relateId);
+      await getFetch();
+      Message.success(t('common.unLinkSuccess'));
     } catch (error) {
       console.log(error);
     }
@@ -211,7 +243,8 @@ const appStore = useAppStore();
     try {
       confirmLoading.value = true;
       await batchAssociation(params);
-      Message.success(t('caseManagement.featureCase.AssociatedSuccess'));
+      await getFetch();
+      Message.success(t('common.linkSuccess'));
       innerVisible.value = false;
     } catch (error) {
       // eslint-disable-next-line no-console
diff --git a/frontend/src/views/bug-management/locale/en-US.ts b/frontend/src/views/bug-management/locale/en-US.ts
index 1e847603ab..318cdc6515 100644
--- a/frontend/src/views/bug-management/locale/en-US.ts
+++ b/frontend/src/views/bug-management/locale/en-US.ts
@@ -59,6 +59,10 @@ export default {
       scenarioCase: 'Scenario Case',
       uiCase: 'UI Case',
       performanceCase: 'Performance Case',
+      isPlanRelateCase: 'Relate plan',
+      isPlanRelateCaseTip1: '在测试计划内执行用例时新建或关联的缺陷, 只可在测试计划内取消关联关系;',
+      isPlanRelateCaseTip2: '缺陷在测试计划内执行用例时关联/新建, 显示为“是”;',
+      isPlanRelateCaseTip3: '缺陷在缺陷页/用例详情页添加直接关联关系, 未关联上任何测试计划, 显示为“否”;',
       searchCase: 'Search by name',
       creator: 'Creator',
       createTime: 'Create Time',
diff --git a/frontend/src/views/bug-management/locale/zh-CN.ts b/frontend/src/views/bug-management/locale/zh-CN.ts
index 5ee8622777..72d54b9885 100644
--- a/frontend/src/views/bug-management/locale/zh-CN.ts
+++ b/frontend/src/views/bug-management/locale/zh-CN.ts
@@ -59,6 +59,10 @@ export default {
       scenarioCase: '场景用例',
       uiCase: 'UI用例',
       performanceCase: '性能用例',
+      isPlanRelateCase: '关联测试计划',
+      isPlanRelateCaseTip1: '在测试计划内执行用例时新建或关联的缺陷, 只可在测试计划内取消关联关系;',
+      isPlanRelateCaseTip2: '缺陷在测试计划内执行用例时关联/新建, 显示为“是”;',
+      isPlanRelateCaseTip3: '缺陷在缺陷页/用例详情页添加直接关联关系, 未关联上任何测试计划, 显示为“否”;',
       searchCase: '通过名称搜索',
       creator: '创建人',
       createTime: '创建时间',