diff --git a/src/views/system/dict-item/index.vue b/src/views/system/dict-item/index.vue
index 96795ef..71da4e8 100644
--- a/src/views/system/dict-item/index.vue
+++ b/src/views/system/dict-item/index.vue
@@ -2,9 +2,6 @@
   <div class="app-container">
     <el-card class="filter-container" shadow="never">
       <el-form ref="queryForm" :model="queryParams" :inline="true" label-width="100px">
-        <el-form-item label="租户ID">
-          <el-input v-model="queryParams.tenantId" placeholder="租户ID" clearable style="width: 220px" />
-        </el-form-item>
         <el-form-item label="名称">
           <el-input v-model="queryParams.name" placeholder="名称" clearable style="width: 180px" />
         </el-form-item>
@@ -38,7 +35,6 @@
         <el-table-column label="适用范围" prop="valueRange" min-width="140" show-overflow-tooltip />
         <el-table-column label="微服务" prop="microService" min-width="140" show-overflow-tooltip />
         <el-table-column label="描述" prop="description" min-width="160" show-overflow-tooltip />
-        <el-table-column label="租户ID" prop="tenantId" min-width="220" show-overflow-tooltip />
         <el-table-column label="创建时间" prop="createdTime" min-width="160">
           <template slot-scope="scope">
             {{ formatDateTime(scope.row.createdTime) }}
@@ -80,9 +76,6 @@
         :rules="formRules"
         label-width="110px"
       >
-        <el-form-item label="租户ID" prop="tenantId">
-          <el-input v-model="form.tenantId" placeholder="租户ID（可选）" />
-        </el-form-item>
         <el-form-item label="名称" prop="name">
           <el-input v-model="form.name" placeholder="名称" />
         </el-form-item>
@@ -111,6 +104,7 @@
 </template>
 
 <script>
+import { getBusinessHeaders } from '@/utils/business-headers'
 import {
   getDictItemList,
   getQiWeiConfigDictItem,
@@ -132,7 +126,6 @@ export default {
       queryParams: {
         current: 1,
         size: 10,
-        tenantId: '',
         name: '',
         type: '',
         microService: '',
@@ -140,7 +133,6 @@ export default {
       },
       form: {
         id: '',
-        tenantId: '',
         name: '',
         value: '',
         type: '',
@@ -162,6 +154,11 @@ export default {
     isPlainObject(val) {
       return val !== null && typeof val === 'object' && !Array.isArray(val)
     },
+    getTenantIdFromBusinessHeaders() {
+      const headers = getBusinessHeaders()
+      const value = headers && headers['X-Tenant-Id']
+      return value ? String(value).trim() : ''
+    },
     safeJsonStringify(val) {
       try {
         return JSON.stringify(val, null, 2)
@@ -173,7 +170,6 @@ export default {
       const params = {
         current: this.queryParams.current,
         size: this.queryParams.size,
-        tenantId: this.queryParams.tenantId || undefined,
         name: this.queryParams.name || undefined,
         type: this.queryParams.type || undefined,
         microService: this.queryParams.microService || undefined,
@@ -226,7 +222,6 @@ export default {
       this.queryParams = {
         current: 1,
         size: 10,
-        tenantId: '',
         name: '',
         type: '',
         microService: '',
@@ -264,7 +259,6 @@ export default {
             this.isEdit = Boolean(data.id)
             this.form = {
               id: data.id || '',
-              tenantId: data.tenantId || '',
               name: data.name || 'qiwei_config',
               value: data.value || '',
               type: data.type || 'qiwei_config',
@@ -276,7 +270,6 @@ export default {
             this.isEdit = false
             this.form = {
               id: '',
-              tenantId: '',
               name: 'qiwei_config',
               value: this.safeJsonStringify(data || {}),
               type: 'qiwei_config',
@@ -299,7 +292,6 @@ export default {
       this.isEdit = true
       this.form = {
         id: row.id,
-        tenantId: row.tenantId || '',
         name: row.name || '',
         value: row.value || '',
         type: row.type || '',
@@ -329,8 +321,9 @@ export default {
     handleSubmit() {
       this.$refs.dataForm.validate((valid) => {
         if (!valid) return
+        const tenantId = this.getTenantIdFromBusinessHeaders()
         const payload = {
-          tenantId: this.form.tenantId || undefined,
+          tenantId,
           name: this.form.name,
           value: this.form.value,
           type: this.form.type,
@@ -357,7 +350,6 @@ export default {
     resetFormData() {
       this.form = {
         id: '',
-        tenantId: '',
         name: '',
         value: '',
         type: '',