diff --git a/web/src/views/im/registrationInvite/index.vue b/web/src/views/im/registrationInvite/index.vue
index bfb8012..10454e9 100644
--- a/web/src/views/im/registrationInvite/index.vue
+++ b/web/src/views/im/registrationInvite/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <BasicTable
@@ -66,6 +66,7 @@
     statusOptions,
     tenantOptions,
   } from './model';
+  import { imSearchReset } from '../../imTenantOptions';
   import { adaTableScrollX } from '@/utils/hotgo';
   import CreateModal from './CreateModal.vue';
   import BatchViewModal from './BatchViewModal.vue';
@@ -153,6 +154,9 @@
     actionRef.value?.reload();
   }
 
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致后端拒绝查询）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
+
   function selectedTenantId() {
     return Number(searchFormRef.value?.formModel?.tenantId || 0);
   }
diff --git a/web/src/views/imDeadLetter/index.vue b/web/src/views/imDeadLetter/index.vue
index c46b89a..5ffdb98 100644
--- a/web/src/views/imDeadLetter/index.vue
+++ b/web/src/views/imDeadLetter/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <BasicTable
@@ -31,6 +31,7 @@
   import { BasicForm, useForm } from '@/components/Form/index';
   import { List } from '@/api/imDeadLetter';
   import { columns, loadOptions, loadTenantOptions, schemas, State, tenantOptions } from './model';
+  import { imSearchReset } from '../imTenantOptions';
   import { adaTableScrollX } from '@/utils/hotgo';
   import ViewModal from './view.vue';
 
@@ -89,6 +90,9 @@
     actionRef.value?.reload();
   }
 
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致列表为空）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
+
   onMounted(async () => {
     loadOptions();
     await loadTenantOptions();
diff --git a/web/src/views/imGroup/index.vue b/web/src/views/imGroup/index.vue
index 3fa2b81..ecf8218 100644
--- a/web/src/views/imGroup/index.vue
+++ b/web/src/views/imGroup/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <BasicTable
@@ -34,6 +34,7 @@
   import { BasicForm, useForm } from '@/components/Form/index';
   import { List } from '@/api/imGroup';
   import { columns, loadOptions, loadTenantOptions, schemas, State, tenantOptions } from './model';
+  import { imSearchReset } from '../imTenantOptions';
   import { adaTableScrollX } from '@/utils/hotgo';
   import ViewModal from './view.vue';
   import MembersModal from './members.vue';
@@ -104,6 +105,9 @@
     actionRef.value?.reload();
   }
 
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致列表为空）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
+
   // 查看详情
   function handleView(record: Recordable) {
     viewRef.value.openModal(record);
diff --git a/web/src/views/imKafkaCommand/index.vue b/web/src/views/imKafkaCommand/index.vue
index cf822c4..f7da564 100644
--- a/web/src/views/imKafkaCommand/index.vue
+++ b/web/src/views/imKafkaCommand/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <n-space class="table-toolbar">
@@ -36,6 +36,7 @@
   import { BasicForm, useForm } from '@/components/Form/index';
   import { CacheInvalidate, List, WorkbenchEvent } from '@/api/imKafkaCommand';
   import { columns, loadOptions, loadTenantOptions, schemas, State, tenantOptions } from './model';
+  import { imSearchReset } from '../imTenantOptions';
   import { adaTableScrollX } from '@/utils/hotgo';
   import ViewModal from './view.vue';
 
@@ -80,6 +81,9 @@
     actionRef.value?.reload();
   }
 
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致列表为空）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
+
   async function sendCacheInvalidate() {
     const tenant = getFirstTenant();
     if (!tenant) {
diff --git a/web/src/views/imRealname/index.vue b/web/src/views/imRealname/index.vue
index bee893b..610e4da 100644
--- a/web/src/views/imRealname/index.vue
+++ b/web/src/views/imRealname/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
       />
       <BasicTable
         ref="actionRef"
@@ -31,6 +31,7 @@
   import { BasicForm, useForm } from '@/components/Form/index';
   import { List, Review } from '@/api/imRealname';
   import { columns, loadOptions, loadTenantOptions, schemas, State, tenantOptions } from './model';
+  import { imSearchReset } from '../imTenantOptions';
   import { adaTableScrollX } from '@/utils/hotgo';
   import ViewModal from './view.vue';
 
@@ -94,6 +95,9 @@
     actionRef.value?.reload();
   }
 
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致列表为空）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
+
   function handleReview(record: State, status: string, reviewReason = '') {
     Review({ tenantId: record.tenantId, id: record.id, status, reviewReason }).then(() => {
       message.success('操作成功');
diff --git a/web/src/views/imSensitiveWord/index.vue b/web/src/views/imSensitiveWord/index.vue
index a3a5725..136b281 100644
--- a/web/src/views/imSensitiveWord/index.vue
+++ b/web/src/views/imSensitiveWord/index.vue
@@ -6,7 +6,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reload"
-        @reset="reload"
+        @reset="onSearchReset"
         @keyup.enter="reload"
       />
       <BasicTable
@@ -159,6 +159,7 @@
     parseJSON,
     policyTenantOptions,
   } from '@/views/imPolicyShared';
+  import { imSearchReset } from '../imTenantOptions';
   const dict = useDictStore(),
     message = useMessage(),
     dialog = useDialog(),
@@ -212,6 +213,11 @@
       ? List({ ...searchFormRef.value?.formModel, ...res })
       : Promise.resolve({});
   const reload = () => tableRef.value?.reload();
+  // 重置后回填商户下拉再查询；回填跳过「全局默认」(value=0)，与初始加载 getDefaultTenantValue 行为一致
+  const resetTenantOptions = computed(() =>
+    policyTenantOptions.value.filter((v) => Number(v.value) > 0)
+  );
+  const onSearchReset = imSearchReset(searchFormRef, resetTenantOptions, reload);
   const actionColumn = reactive({
     width: 150,
     title: '操作',
diff --git a/web/src/views/imTaskDashboard/index.vue b/web/src/views/imTaskDashboard/index.vue
index 74689fe..609c2d4 100644
--- a/web/src/views/imTaskDashboard/index.vue
+++ b/web/src/views/imTaskDashboard/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="handleReset"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <BasicTable
@@ -30,6 +30,7 @@
   import { BasicTable } from '@/components/Table';
   import { List } from '@/api/imTaskDashboard';
   import { columns, loadOptions, loadTenantOptions, schemas, tenantOptions } from './model';
+  import { imSearchReset } from '../imTenantOptions';
   import { adaTableScrollX } from '@/utils/hotgo';
 
   const message = useMessage();
@@ -58,10 +59,8 @@
     actionRef.value?.reload();
   }
 
-  async function handleReset() {
-    await setFieldsValue({});
-    reloadTable();
-  }
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致后端拒绝查询）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
 
   onMounted(async () => {
     loadOptions();
diff --git a/web/src/views/imTenantOptions.ts b/web/src/views/imTenantOptions.ts
index 4237f28..a2e729c 100644
--- a/web/src/views/imTenantOptions.ts
+++ b/web/src/views/imTenantOptions.ts
@@ -71,6 +71,31 @@ export function lockTenantSchema(schema?: FormSchema) {
   props.clearable = false;
 }
 
+interface ImSearchFormRef {
+  setFieldsValue: (values: Record<string, any>) => Promise<void>;
+}
+
+/**
+ * 统一搜索重置回调：BasicForm 的 resetFields 会把包括 tenantId 在内的全部搜索字段清空，
+ * 随后的自动查询因缺商户条件命中前端空列表 guard（或被后端以「请选择IM租户」拒绝）。
+ * 此工厂返回的回调在 reset 之后把商户下拉回填为当前选项列表的第一项
+ * （商户绑定账号=自己商户；平台账号=全部商户列表第一项），再触发查询——
+ * 与各页面初始加载（onMounted 默认选中第一项）的行为保持一致。
+ */
+export function imSearchReset(
+  searchFormRef: Ref<ImSearchFormRef | null>,
+  tenantOptions: Ref<ImTenantOption[]>,
+  reload: () => unknown,
+) {
+  return async () => {
+    const first = Number(tenantOptions.value[0]?.value || 0);
+    if (first > 0) {
+      await searchFormRef.value?.setFieldsValue({ tenantId: first });
+    }
+    await reload();
+  };
+}
+
 function toTenantOption(item: any): ImTenantOption {
   return {
     label: formatImTenantLabel(item),
diff --git a/web/src/views/imUser/index.vue b/web/src/views/imUser/index.vue
index 5a3af15..9975715 100644
--- a/web/src/views/imUser/index.vue
+++ b/web/src/views/imUser/index.vue
@@ -8,7 +8,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <BasicTable
@@ -236,6 +236,7 @@
     State,
     tenantOptions,
   } from './model';
+  import { imSearchReset } from '../imTenantOptions';
   import { DownloadOutlined, PlusOutlined, UploadOutlined } from '@vicons/antd';
   import { adaTableScrollX } from '@/utils/hotgo';
   import ViewModal from './view.vue';
@@ -380,6 +381,9 @@
     actionRef.value?.reload();
   }
 
+  // 重置后回填商户下拉第一个选项再查询（避免 tenantId 被清空导致列表为空）
+  const onSearchReset = imSearchReset(searchFormRef, tenantOptions, reloadTable);
+
   // 查看详情
   function handleView(record: Recordable) {
     viewRef.value.openModal(record);
diff --git a/web/src/views/imUserPolicyGroup/index.vue b/web/src/views/imUserPolicyGroup/index.vue
index 6f331f8..73bac21 100644
--- a/web/src/views/imUserPolicyGroup/index.vue
+++ b/web/src/views/imUserPolicyGroup/index.vue
@@ -6,7 +6,7 @@
         ref="searchFormRef"
         @register="register"
         @submit="reloadTable"
-        @reset="reloadTable"
+        @reset="onSearchReset"
         @keyup.enter="reloadTable"
       />
       <n-alert type="info" :show-icon="true" class="whitelist-summary">
@@ -241,6 +241,7 @@
     parseJSON,
     policyTenantOptions,
   } from '@/views/imPolicyShared';
+  import { imSearchReset } from '../imTenantOptions';
 
   const dict = useDictStore(),
     message = useMessage(),
@@ -298,6 +299,11 @@
     actionRef.value?.reload();
     refreshLoginIPSummary();
   };
+  // 重置后回填商户下拉再查询；回填跳过「全局默认」(value=0)，与初始加载 getDefaultTenantValue 行为一致
+  const resetTenantOptions = computed(() =>
+    policyTenantOptions.value.filter((v) => Number(v.value) > 0)
+  );
+  const onSearchReset = imSearchReset(searchFormRef, resetTenantOptions, reloadTable);
   const actionColumn = reactive({
     width: 300,
     title: '操作',