diff --git a/api/customer.js b/api/customer.js
new file mode 100644
index 0000000..8cfaae6
--- /dev/null
+++ b/api/customer.js
@@ -0,0 +1,28 @@
+import api from './index.js'
+
+export const customerApi = {
+  // 客户列表
+  list(params = {}) {
+    return api.post('/customer/list', params)
+  },
+  
+  // 客户详情
+  get(id) {
+    return api.post('/customer/get', { id })
+  },
+  
+  // 新增客户
+  add(data) {
+    return api.post('/customer/add', data)
+  },
+  
+  // 编辑客户
+  update(data) {
+    return api.post('/customer/update', data)
+  },
+  
+  // 删除客户
+  delete(id) {
+    return api.post('/customer/delete', { id })
+  }
+}
diff --git a/manifest.json b/manifest.json
index 2b7462f..a94819a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -2,8 +2,8 @@
     "name" : "Operations",
     "appid" : "__UNI__8A0DE5E",
     "description" : "Operations（运营）的缩写，一个前后端分离的工作流/运营管理系统。",
-    "versionName" : "1.3.3",
-    "versionCode" : "133",
+    "versionName" : "1.4.3",
+    "versionCode" : "143",
     "transformPx" : false,
     "app-plus" : {
         "usingComponents" : true,
diff --git a/pages/warehouse/add-item.vue b/pages/warehouse/add-item.vue
index e153856..f8b0739 100644
--- a/pages/warehouse/add-item.vue
+++ b/pages/warehouse/add-item.vue
@@ -34,6 +34,50 @@
           <text class="form-label">备注</text>
           <textarea class="form-textarea" v-model="form.remark" placeholder="请输入备注（选填）" />
         </view>
+        
+        <!-- 关联客户 -->
+        <view class="form-item">
+          <text class="form-label">关联客户</text>
+          
+          <!-- 已选中的客户 -->
+          <view v-if="selectedCustomers.length > 0" class="selected-customers">
+            <view 
+              v-for="customer in selectedCustomers" 
+              :key="customer.id" 
+              class="customer-tag"
+            >
+              <text>{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+              <text class="customer-tag-remove" @click="removeCustomer(customer.id)">×</text>
+            </view>
+          </view>
+          
+          <!-- 搜索框 -->
+          <view class="customer-search-box">
+            <input 
+              class="customer-search-input"
+              v-model="customerSearchQuery" 
+              placeholder="搜索客户..."
+              @input="onCustomerSearchInput"
+              @focus="onCustomerSearchFocus"
+            />
+          </view>
+          
+          <!-- 搜索结果 -->
+          <view v-if="showCustomerDropdown && customerSearchResults.length > 0" class="customer-dropdown">
+            <view 
+              v-for="customer in customerSearchResults" 
+              :key="customer.id" 
+              class="customer-dropdown-item"
+              @click="selectCustomer(customer)"
+            >
+              <text class="customer-dropdown-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+              <text v-if="customer.primary_phone" class="customer-dropdown-phone">{{ customer.primary_phone }}</text>
+            </view>
+          </view>
+          <view v-else-if="showCustomerDropdown && customerSearchQuery && customerSearchResults.length === 0 && !customerSearchLoading" class="customer-dropdown-empty">
+            未找到匹配的客户
+          </view>
+        </view>
       </view>
       
       <view class="form-card">
@@ -68,6 +112,7 @@
 <script setup>
 import { ref } from 'vue'
 import { warehouseApi } from '@/api/warehouse.js'
+import { customerApi } from '@/api/customer.js'
 import { useConfigStore } from '@/stores/config.js'
 import api from '@/api/index.js'
 
@@ -85,6 +130,14 @@ const form = ref({
   photos: []
 })
 
+// 关联客户
+const selectedCustomers = ref([])
+const customerSearchQuery = ref('')
+const customerSearchResults = ref([])
+const showCustomerDropdown = ref(false)
+const customerSearchLoading = ref(false)
+let customerSearchTimer = null
+
 function getPhotoUrl(sha256) {
   const baseUrl = configStore.getFileBaseUrl ? configStore.getFileBaseUrl() : ''
   return `${baseUrl}/api/files/get/${sha256}`
@@ -131,6 +184,57 @@ function removePhoto(index) {
   form.value.photos.splice(index, 1)
 }
 
+// 客户搜索
+async function searchCustomers() {
+  if (!customerSearchQuery.value.trim()) {
+    customerSearchResults.value = []
+    return
+  }
+  customerSearchLoading.value = true
+  try {
+    const res = await customerApi.list(1, 20, customerSearchQuery.value)
+    if (res.errCode === 0 && res.data) {
+      customerSearchResults.value = res.data.customers || res.data || []
+    } else {
+      customerSearchResults.value = []
+    }
+  } catch (e) {
+    console.error('搜索客户失败', e)
+    customerSearchResults.value = []
+  } finally {
+    customerSearchLoading.value = false
+  }
+}
+
+function onCustomerSearchInput() {
+  clearTimeout(customerSearchTimer)
+  customerSearchTimer = setTimeout(() => {
+    searchCustomers()
+  }, 300)
+}
+
+function onCustomerSearchFocus() {
+  showCustomerDropdown.value = true
+  searchCustomers()
+}
+
+function selectCustomer(customer) {
+  const exists = selectedCustomers.value.find(c => c.id === customer.id)
+  if (!exists) {
+    selectedCustomers.value.push(customer)
+  }
+  customerSearchQuery.value = ''
+  showCustomerDropdown.value = false
+  customerSearchResults.value = []
+}
+
+function removeCustomer(id) {
+  const index = selectedCustomers.value.findIndex(c => c.id === id)
+  if (index >= 0) {
+    selectedCustomers.value.splice(index, 1)
+  }
+}
+
 async function submitForm() {
   if (!form.value.name.trim()) {
     uni.showToast({ title: '请输入名称', icon: 'none' })
@@ -145,7 +249,8 @@ async function submitForm() {
       remark: form.value.remark,
       quantity: form.value.quantity > 0 ? form.value.quantity : 1,
       container_id: containerId.value || null,
-      photos: form.value.photos
+      photos: form.value.photos,
+      customer_ids: selectedCustomers.value.map(c => c.id)
     }
     
     const res = await warehouseApi.addItem(data)
@@ -359,4 +464,91 @@ onLoad((options) => {
   margin: 0 16rpx;
   box-sizing: border-box;
 }
+
+/* 关联客户 */
+.selected-customers {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12rpx;
+  margin-bottom: 16rpx;
+}
+
+.customer-tag {
+  display: inline-flex;
+  align-items: center;
+  gap: 8rpx;
+  padding: 8rpx 16rpx;
+  background-color: #e6f7ff;
+  border: 1rpx solid #91d5ff;
+  border-radius: 20rpx;
+  font-size: 24rpx;
+  color: #1890ff;
+}
+
+.customer-tag-remove {
+  font-size: 28rpx;
+  color: #999;
+  margin-left: 4rpx;
+}
+
+.customer-tag-remove:active {
+  color: #f56c6c;
+}
+
+.customer-search-box {
+  margin-top: 12rpx;
+}
+
+.customer-search-input {
+  width: 100%;
+  height: 72rpx;
+  padding: 0 20rpx;
+  background-color: #f5f5f5;
+  border-radius: 10rpx;
+  font-size: 28rpx;
+  box-sizing: border-box;
+}
+
+.customer-dropdown {
+  margin-top: 12rpx;
+  background-color: #fff;
+  border: 1rpx solid #eee;
+  border-radius: 10rpx;
+  max-height: 400rpx;
+  overflow-y: auto;
+}
+
+.customer-dropdown-item {
+  display: flex;
+  align-items: center;
+  padding: 20rpx;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+
+.customer-dropdown-item:last-child {
+  border-bottom: none;
+}
+
+.customer-dropdown-item:active {
+  background-color: #f5f5f5;
+}
+
+.customer-dropdown-name {
+  flex: 1;
+  font-size: 28rpx;
+  color: #333;
+}
+
+.customer-dropdown-phone {
+  font-size: 24rpx;
+  color: #999;
+  margin-left: 16rpx;
+}
+
+.customer-dropdown-empty {
+  padding: 30rpx;
+  text-align: center;
+  color: #999;
+  font-size: 26rpx;
+}
 </style>
diff --git a/pages/warehouse/item-detail.vue b/pages/warehouse/item-detail.vue
index 1aa3c3f..8a0d15a 100644
--- a/pages/warehouse/item-detail.vue
+++ b/pages/warehouse/item-detail.vue
@@ -110,6 +110,23 @@
             <text class="wo-status" :class="wo.status">{{ getWorkOrderStatusText(wo.status) }}</text>
           </view>
         </view>
+        
+        <!-- 关联客户 -->
+        <view class="card" v-if="linkedCustomers.length > 0">
+          <view class="card-header">
+            <text class="card-title">关联客户</text>
+          </view>
+          <view class="linked-customers">
+            <view 
+              class="linked-customer-item" 
+              v-for="customer in linkedCustomers" 
+              :key="customer.ID"
+            >
+              <text class="customer-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+              <text v-if="customer.title" class="customer-title">{{ customer.title }}</text>
+            </view>
+          </view>
+        </view>
       </view>
       
       <!-- 空状态 -->
@@ -179,6 +196,7 @@ const item = ref(null)
 const photos = ref([])
 const commits = ref([])
 const workOrders = ref([])
+const linkedCustomers = ref([])
 const canModify = ref(false)
 
 // 移动相关
@@ -230,6 +248,7 @@ async function fetchDetail() {
       photos.value = res.data.photos || []
       commits.value = res.data.commits || []
       workOrders.value = res.data.work_orders || []
+      linkedCustomers.value = res.data.customers || []
       canModify.value = res.data.canModifyItem
     } else {
       uni.showToast({ title: '获取详情失败', icon: 'none' })
@@ -315,6 +334,18 @@ function addWorkOrder() {
       : item.value.Name,
     description: item.value.Remark || '',
   }
+  
+  // 如果有已关联的客户，自动填充到工单
+  if (linkedCustomers.value && linkedCustomers.value.length > 0) {
+    prefillData.customer_ids = linkedCustomers.value.map(c => c.ID)
+    prefillData.customers = linkedCustomers.value.map(c => ({
+      id: c.ID,
+      first_name: c.first_name || '',
+      last_name: c.last_name || '',
+      primary_phone: c.primary_phone || ''
+    }))
+  }
+  
   uni.setStorageSync('prefill_work_order', JSON.stringify(prefillData))
   uni.navigateTo({
     url: '/pages/workorder/add-workorder'
@@ -642,6 +673,33 @@ onShow(() => {
   color: #ff575a;
 }
 
+.linked-customers {
+  padding: 20rpx 30rpx;
+}
+
+.linked-customer-item {
+  display: flex;
+  align-items: center;
+  padding: 16rpx 0;
+  border-bottom: 1rpx solid #f5f5f5;
+}
+
+.linked-customer-item:last-child {
+  border-bottom: none;
+}
+
+.customer-name {
+  font-size: 28rpx;
+  color: #333;
+  flex: 1;
+}
+
+.customer-title {
+  font-size: 24rpx;
+  color: #999;
+  margin-left: 16rpx;
+}
+
 .action-bar {
   position: fixed;
   bottom: 0;
diff --git a/pages/warehouse/item-edit.vue b/pages/warehouse/item-edit.vue
index 667e97b..342ef1a 100644
--- a/pages/warehouse/item-edit.vue
+++ b/pages/warehouse/item-edit.vue
@@ -39,6 +39,50 @@
             <text class="form-label">备注</text>
             <textarea class="form-textarea" v-model="form.remark" placeholder="请输入备注（选填）" />
           </view>
+          
+          <!-- 关联客户 -->
+          <view class="form-item">
+            <text class="form-label">关联客户</text>
+            
+            <!-- 已选中的客户 -->
+            <view v-if="selectedCustomers.length > 0" class="selected-customers">
+              <view 
+                v-for="customer in selectedCustomers" 
+                :key="customer.id" 
+                class="customer-tag"
+              >
+                <text>{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+                <text class="customer-tag-remove" @click="removeCustomer(customer.id)">×</text>
+              </view>
+            </view>
+            
+            <!-- 搜索框 -->
+            <view class="customer-search-box">
+              <input 
+                class="customer-search-input"
+                v-model="customerSearchQuery" 
+                placeholder="搜索客户..."
+                @input="onCustomerSearchInput"
+                @focus="onCustomerSearchFocus"
+              />
+            </view>
+            
+            <!-- 搜索结果 -->
+            <view v-if="showCustomerDropdown && customerSearchResults.length > 0" class="customer-dropdown">
+              <view 
+                v-for="customer in customerSearchResults" 
+                :key="customer.id" 
+                class="customer-dropdown-item"
+                @click="selectCustomer(customer)"
+              >
+                <text class="customer-dropdown-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+                <text v-if="customer.primary_phone" class="customer-dropdown-phone">{{ customer.primary_phone }}</text>
+              </view>
+            </view>
+            <view v-else-if="showCustomerDropdown && customerSearchQuery && customerSearchResults.length === 0 && !customerSearchLoading" class="customer-dropdown-empty">
+              未找到匹配的客户
+            </view>
+          </view>
         </view>
         
         <view class="form-card">
@@ -74,6 +118,7 @@
 <script setup>
 import { ref } from 'vue'
 import { warehouseApi } from '@/api/warehouse.js'
+import { customerApi } from '@/api/customer.js'
 import { useConfigStore } from '@/stores/config.js'
 import api from '@/api/index.js'
 
@@ -92,6 +137,14 @@ const form = ref({
   photos: []
 })
 
+// 关联客户
+const selectedCustomers = ref([])
+const customerSearchQuery = ref('')
+const customerSearchResults = ref([])
+const showCustomerDropdown = ref(false)
+const customerSearchLoading = ref(false)
+let customerSearchTimer = null
+
 function getPhotoUrl(sha256) {
   const baseUrl = configStore.getFileBaseUrl ? configStore.getFileBaseUrl() : ''
   return `${baseUrl}/api/files/get/${sha256}`
@@ -138,6 +191,57 @@ function removePhoto(index) {
   form.value.photos.splice(index, 1)
 }
 
+// 客户搜索
+async function searchCustomers() {
+  if (!customerSearchQuery.value.trim()) {
+    customerSearchResults.value = []
+    return
+  }
+  customerSearchLoading.value = true
+  try {
+    const res = await customerApi.list(1, 20, customerSearchQuery.value)
+    if (res.errCode === 0 && res.data) {
+      customerSearchResults.value = res.data.customers || res.data || []
+    } else {
+      customerSearchResults.value = []
+    }
+  } catch (e) {
+    console.error('搜索客户失败', e)
+    customerSearchResults.value = []
+  } finally {
+    customerSearchLoading.value = false
+  }
+}
+
+function onCustomerSearchInput() {
+  clearTimeout(customerSearchTimer)
+  customerSearchTimer = setTimeout(() => {
+    searchCustomers()
+  }, 300)
+}
+
+function onCustomerSearchFocus() {
+  showCustomerDropdown.value = true
+  searchCustomers()
+}
+
+function selectCustomer(customer) {
+  const exists = selectedCustomers.value.find(c => c.id === customer.id)
+  if (!exists) {
+    selectedCustomers.value.push(customer)
+  }
+  customerSearchQuery.value = ''
+  showCustomerDropdown.value = false
+  customerSearchResults.value = []
+}
+
+function removeCustomer(id) {
+  const index = selectedCustomers.value.findIndex(c => c.id === id)
+  if (index >= 0) {
+    selectedCustomers.value.splice(index, 1)
+  }
+}
+
 async function fetchDetail() {
   loading.value = true
   try {
@@ -151,6 +255,11 @@ async function fetchDetail() {
         quantity: item.Quantity ?? 1,
         photos: res.data.photos ? res.data.photos.map(p => p.Sha256) : []
       }
+      
+      // 加载已关联的客户
+      if (res.data.customers && res.data.customers.length > 0) {
+        selectedCustomers.value = res.data.customers
+      }
     } else {
       uni.showToast({ title: '获取详情失败', icon: 'none' })
     }
@@ -176,7 +285,8 @@ async function submitForm() {
       serial_number: form.value.serialNumber,
       remark: form.value.remark,
       quantity: form.value.quantity > 0 ? form.value.quantity : 1,
-      photos: form.value.photos
+      photos: form.value.photos,
+      customer_ids: selectedCustomers.value.map(c => c.id)
     }
     
     const res = await warehouseApi.updateItem(data)
@@ -397,4 +507,91 @@ onLoad((options) => {
   margin: 0 16rpx;
   box-sizing: border-box;
 }
+
+/* 关联客户 */
+.selected-customers {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 12rpx;
+  margin-bottom: 16rpx;
+}
+
+.customer-tag {
+  display: inline-flex;
+  align-items: center;
+  gap: 8rpx;
+  padding: 8rpx 16rpx;
+  background-color: #e6f7ff;
+  border: 1rpx solid #91d5ff;
+  border-radius: 20rpx;
+  font-size: 24rpx;
+  color: #1890ff;
+}
+
+.customer-tag-remove {
+  font-size: 28rpx;
+  color: #999;
+  margin-left: 4rpx;
+}
+
+.customer-tag-remove:active {
+  color: #f56c6c;
+}
+
+.customer-search-box {
+  margin-top: 12rpx;
+}
+
+.customer-search-input {
+  width: 100%;
+  height: 72rpx;
+  padding: 0 20rpx;
+  background-color: #f5f5f5;
+  border-radius: 10rpx;
+  font-size: 28rpx;
+  box-sizing: border-box;
+}
+
+.customer-dropdown {
+  margin-top: 12rpx;
+  background-color: #fff;
+  border: 1rpx solid #eee;
+  border-radius: 10rpx;
+  max-height: 400rpx;
+  overflow-y: auto;
+}
+
+.customer-dropdown-item {
+  display: flex;
+  align-items: center;
+  padding: 20rpx;
+  border-bottom: 1rpx solid #f0f0f0;
+}
+
+.customer-dropdown-item:last-child {
+  border-bottom: none;
+}
+
+.customer-dropdown-item:active {
+  background-color: #f5f5f5;
+}
+
+.customer-dropdown-name {
+  flex: 1;
+  font-size: 28rpx;
+  color: #333;
+}
+
+.customer-dropdown-phone {
+  font-size: 24rpx;
+  color: #999;
+  margin-left: 16rpx;
+}
+
+.customer-dropdown-empty {
+  padding: 30rpx;
+  text-align: center;
+  color: #999;
+  font-size: 26rpx;
+}
 </style>
diff --git a/pages/workorder/add-workorder.vue b/pages/workorder/add-workorder.vue
index a2155f3..46f851c 100644
--- a/pages/workorder/add-workorder.vue
+++ b/pages/workorder/add-workorder.vue
@@ -36,16 +36,22 @@
           <text class="form-label">关联物品</text>
           
           <!-- 已选择物品 -->
-          <view v-if="selectedItem" class="selected-item">
-            <view class="selected-item-info">
-              <text class="selected-item-name">{{ selectedItem.Name }}</text>
-              <text v-if="selectedItem.SerialNumber" class="selected-item-serial">{{ selectedItem.SerialNumber }}</text>
+          <view v-if="selectedItems.length > 0" class="selected-items">
+            <view
+              v-for="item in selectedItems"
+              :key="item.ID"
+              class="selected-item-tag"
+            >
+              <view class="selected-item-tag-info">
+                <text class="selected-item-tag-name">{{ item.Name }}</text>
+                <text v-if="item.SerialNumber" class="selected-item-tag-serial">{{ item.SerialNumber }}</text>
+              </view>
+              <text class="remove-item" @click="removeSelectedItem(item.ID)">×</text>
             </view>
-            <text class="clear-btn" @click="clearSelectedItem">清除</text>
           </view>
           
           <!-- 搜索框 -->
-          <view v-else class="search-box">
+          <view class="search-box">
             <input
               v-model="searchQuery"
               class="form-input"
@@ -63,8 +69,10 @@
                 class="dropdown-item"
                 @click="selectItem(item)"
               >
-                <text class="dropdown-name">{{ item.Name }}</text>
-                <text v-if="item.SerialNumber" class="dropdown-serial">{{ item.SerialNumber }}</text>
+                <view class="dropdown-item-info">
+                  <text class="dropdown-name">{{ item.Name }}</text>
+                  <text v-if="item.SerialNumber" class="dropdown-serial">{{ item.SerialNumber }}</text>
+                </view>
               </view>
             </view>
             
@@ -78,6 +86,56 @@
           </view>
         </view>
         
+        <!-- 关联客户 -->
+        <view class="form-item">
+          <text class="form-label">关联客户</text>
+          
+          <!-- 已选择客户 -->
+          <view v-if="selectedCustomers.length > 0" class="selected-customers">
+            <view
+              v-for="customer in selectedCustomers"
+              :key="customer.id"
+              class="selected-customer-tag"
+            >
+              <text class="customer-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+              <text class="remove-customer" @click="removeSelectedCustomer(customer.id)">×</text>
+            </view>
+          </view>
+          
+          <!-- 搜索框 -->
+          <view class="search-box">
+            <input
+              v-model="customerSearchQuery"
+              class="form-input"
+              type="text"
+              placeholder="搜索客户姓名"
+              @input="onCustomerSearchInput"
+              @focus="onCustomerSearchFocus"
+            />
+            
+            <!-- 搜索结果下拉 -->
+            <view v-if="showCustomerDropdown && customerSearchResults.length > 0" class="dropdown">
+              <view
+                v-for="customer in customerSearchResults"
+                :key="customer.id"
+                class="dropdown-item"
+                @click="selectCustomer(customer)"
+              >
+                <text class="dropdown-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+                <text v-if="customer.primary_phone" class="dropdown-phone">{{ customer.primary_phone }}</text>
+              </view>
+            </view>
+            
+            <view v-if="showCustomerDropdown && customerSearchLoading" class="dropdown">
+              <view class="dropdown-loading">搜索中...</view>
+            </view>
+            
+            <view v-if="showCustomerDropdown && customerSearchResults.length === 0 && !customerSearchLoading && customerSearchQuery.trim()" class="dropdown">
+              <view class="dropdown-empty">未找到匹配的客户</view>
+            </view>
+          </view>
+        </view>
+        
         <!-- 图片上传 -->
         <view class="form-item">
           <text class="form-label">图片</text>
@@ -119,6 +177,7 @@ import { ref, reactive } from 'vue'
 import api from '@/api/index.js'
 import { workOrderApi } from '@/api/work_order.js'
 import { warehouseApi } from '@/api/warehouse.js'
+import { customerApi } from '@/api/customer.js'
 import { useConfigStore } from '@/stores/config.js'
 import { onLoad } from '@dcloudio/uni-app'
 
@@ -126,7 +185,7 @@ const configStore = useConfigStore()
 const goBack = () => uni.navigateBack()
 
 // 预填物品ID（从物品详情跳转时）
-const presetItemId = ref(null)
+const presetItemIds = ref([])
 
 onLoad((options) => {
   // 优先检查预填数据（从物品详情跳转时）
@@ -137,17 +196,26 @@ onLoad((options) => {
       form.title = prefill.title || ''
       form.description = prefill.description || ''
       if (prefill.itemId) {
-        presetItemId.value = prefill.itemId
+        presetItemIds.value = [prefill.itemId]
         fetchPresetItem(prefill.itemId)
       }
+      // 如果有预填客户信息，自动填充
+      if (prefill.customers && prefill.customers.length > 0) {
+        selectedCustomers.value = prefill.customers.map(c => ({
+          id: c.id,
+          first_name: c.first_name || '',
+          last_name: c.last_name || '',
+          primary_phone: c.primary_phone || ''
+        }))
+      }
       uni.removeStorageSync('prefill_work_order')
     } catch (e) {
       console.error('读取预填数据失败', e)
     }
   } else if (options && options.item_id) {
     // 兼容旧方式：直接传 item_id 参数
-    presetItemId.value = parseInt(options.item_id)
-    fetchPresetItem(presetItemId.value)
+    presetItemIds.value = [parseInt(options.item_id)]
+    fetchPresetItem(parseInt(options.item_id))
   }
 })
 
@@ -155,8 +223,12 @@ async function fetchPresetItem(itemId) {
   try {
     const res = await warehouseApi.getItem(itemId)
     if (res.errCode === 0 && res.data && res.data.item) {
-      selectedItem.value = res.data.item
-      linkedItemId.value = itemId
+      const item = res.data.item
+      // 检查是否已选中
+      if (!selectedItems.value.find(i => i.ID === item.ID)) {
+        selectedItems.value.push(item)
+        linkedItemIds.value.push(item.ID)
+      }
     }
   } catch (e) {
     console.error('获取物品信息失败', e)
@@ -170,14 +242,22 @@ const form = reactive({
 })
 
 // 关联物品
-const selectedItem = ref(null)
-const linkedItemId = ref(null)
+const selectedItems = ref([])
+const linkedItemIds = ref([])
 const searchQuery = ref('')
 const searchResults = ref([])
 const showDropdown = ref(false)
 const searchLoading = ref(false)
 let searchTimer = null
 
+// 关联客户
+const selectedCustomers = ref([])
+const customerSearchQuery = ref('')
+const customerSearchResults = ref([])
+const showCustomerDropdown = ref(false)
+const customerSearchLoading = ref(false)
+let customerSearchTimer = null
+
 // 图片
 const photos = ref([])
 
@@ -225,16 +305,75 @@ async function doSearch() {
 }
 
 function selectItem(item) {
-  selectedItem.value = item
-  linkedItemId.value = item.ID
+  // 检查是否已选中
+  if (!selectedItems.value.find(i => i.ID === item.ID)) {
+    selectedItems.value.push(item)
+    linkedItemIds.value.push(item.ID)
+  }
   searchQuery.value = ''
   searchResults.value = []
   showDropdown.value = false
 }
 
-function clearSelectedItem() {
-  selectedItem.value = null
-  linkedItemId.value = null
+function removeSelectedItem(itemId) {
+  selectedItems.value = selectedItems.value.filter(i => i.ID !== itemId)
+  linkedItemIds.value = linkedItemIds.value.filter(id => id !== itemId)
+}
+
+function onCustomerSearchInput() {
+  clearTimeout(customerSearchTimer)
+  customerSearchTimer = setTimeout(() => {
+    doCustomerSearch()
+  }, 300)
+}
+
+function onCustomerSearchFocus() {
+  if (customerSearchQuery.value.trim()) {
+    showCustomerDropdown.value = true
+  }
+}
+
+async function doCustomerSearch() {
+  if (!customerSearchQuery.value.trim()) {
+    customerSearchResults.value = []
+    showCustomerDropdown.value = false
+    return
+  }
+  
+  customerSearchLoading.value = true
+  showCustomerDropdown.value = true
+  
+  try {
+    const res = await customerApi.list({
+      search: customerSearchQuery.value.trim(),
+      page: 1,
+      page_size: 10
+    })
+    if (res.errCode === 0 && res.data) {
+      customerSearchResults.value = (res.data.customers || []).slice(0, 10)
+    } else {
+      customerSearchResults.value = []
+    }
+  } catch (e) {
+    console.error('搜索客户失败', e)
+    customerSearchResults.value = []
+  } finally {
+    customerSearchLoading.value = false
+  }
+}
+
+function selectCustomer(customer) {
+  // 检查是否已选中
+  if (!selectedCustomers.value.find(c => c.id === customer.id)) {
+    selectedCustomers.value.push(customer)
+  }
+  customerSearchQuery.value = ''
+  customerSearchResults.value = []
+  showCustomerDropdown.value = false
+}
+
+function removeSelectedCustomer(customerId) {
+  selectedCustomers.value = selectedCustomers.value.filter(c => c.id !== customerId)
 }
 
 function getPhotoUrl(hash) {
@@ -299,11 +438,12 @@ async function submitForm() {
     const data = {
       title: form.title.trim(),
       description: form.description.trim(),
-      photos: photos.value
+      photos: photos.value,
+      customer_ids: selectedCustomers.value.map(c => c.id)
     }
     
-    if (linkedItemId.value) {
-      data.item_id = linkedItemId.value
+    if (linkedItemIds.value.length > 0) {
+      data.item_ids = linkedItemIds.value
     }
     
     const res = await workOrderApi.add(data)
@@ -408,37 +548,42 @@ async function submitForm() {
   box-sizing: border-box;
 }
 
-.selected-item {
+.selected-customers {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 15rpx;
+  margin-bottom: 20rpx;
+}
+
+.selected-customer-tag {
   display: flex;
   align-items: center;
-  justify-content: space-between;
-  padding: 20rpx;
+  gap: 10rpx;
+  padding: 15rpx 20rpx;
   background-color: #e6f7ff;
   border: 1rpx solid #91d5ff;
-  border-radius: 10rpx;
-}
-
-.selected-item-info {
-  flex: 1;
-}
-
-.selected-item-name {
-  display: block;
-  font-size: 28rpx;
+  border-radius: 30rpx;
+  font-size: 26rpx;
   color: #1890ff;
 }
 
-.selected-item-serial {
+.customer-name {
+  display: block;
+  font-size: 28rpx;
+  color: #333;
+}
+
+.dropdown-phone {
   display: block;
   font-size: 24rpx;
-  color: #8c8c8c;
+  color: #999;
   margin-top: 5rpx;
 }
 
-.clear-btn {
-  font-size: 24rpx;
+.remove-customer {
+  font-size: 28rpx;
   color: #ff4d4f;
-  padding: 10rpx;
+  padding: 5rpx;
 }
 
 .search-box {
@@ -546,6 +691,58 @@ async function submitForm() {
   margin-top: 10rpx;
 }
 
+.selected-items {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 15rpx;
+  margin-bottom: 20rpx;
+}
+
+.selected-item-tag {
+  display: flex;
+  align-items: flex-start;
+  gap: 10rpx;
+  padding: 15rpx 20rpx;
+  background-color: #e6f7ff;
+  border: 1rpx solid #91d5ff;
+  border-radius: 10rpx;
+  font-size: 26rpx;
+  color: #1890ff;
+  max-width: 100%;
+}
+
+.selected-item-tag-info {
+  flex: 1;
+  overflow: hidden;
+}
+
+.selected-item-tag-name {
+  display: block;
+  font-size: 26rpx;
+  color: #1890ff;
+  word-break: break-all;
+}
+
+.selected-item-tag-serial {
+  display: block;
+  font-size: 22rpx;
+  color: #8c8c8c;
+  margin-top: 5rpx;
+  word-break: break-all;
+}
+
+.remove-item {
+  font-size: 28rpx;
+  color: #ff4d4f;
+  padding: 5rpx;
+  flex-shrink: 0;
+}
+
+.dropdown-item-info {
+  display: flex;
+  flex-direction: column;
+}
+
 .submit-bar {
   margin-top: 40rpx;
   padding: 0 20rpx;
diff --git a/pages/workorder/edit-workorder.vue b/pages/workorder/edit-workorder.vue
index 973d984..81daca2 100644
--- a/pages/workorder/edit-workorder.vue
+++ b/pages/workorder/edit-workorder.vue
@@ -41,6 +41,111 @@
           />
         </view>
         
+        <!-- 关联物品 -->
+        <view class="form-item">
+          <text class="form-label">关联物品</text>
+          
+          <!-- 已选择物品 -->
+          <view v-if="selectedItems.length > 0" class="selected-items">
+            <view
+              v-for="item in selectedItems"
+              :key="item.ID"
+              class="selected-item-tag"
+            >
+              <view class="selected-item-tag-info">
+                <text class="selected-item-tag-name">{{ item.Name }}</text>
+                <text v-if="item.SerialNumber" class="selected-item-tag-serial">{{ item.SerialNumber }}</text>
+              </view>
+              <text class="remove-item" @click="removeSelectedItem(item.ID)">×</text>
+            </view>
+          </view>
+          
+          <!-- 搜索框 -->
+          <view class="search-box">
+            <input
+              v-model="searchQuery"
+              class="form-input"
+              type="text"
+              placeholder="搜索物品名称或编号"
+              @input="onSearchInput"
+              @focus="onSearchFocus"
+            />
+            
+            <!-- 搜索结果下拉 -->
+            <view v-if="showDropdown && searchResults.length > 0" class="dropdown">
+              <view
+                v-for="item in searchResults"
+                :key="item.ID"
+                class="dropdown-item"
+                @click="selectItem(item)"
+              >
+                <view class="dropdown-item-info">
+                  <text class="dropdown-name">{{ item.Name }}</text>
+                  <text v-if="item.SerialNumber" class="dropdown-serial">{{ item.SerialNumber }}</text>
+                </view>
+              </view>
+            </view>
+            
+            <view v-if="showDropdown && searchLoading" class="dropdown">
+              <view class="dropdown-loading">搜索中...</view>
+            </view>
+            
+            <view v-if="showDropdown && searchResults.length === 0 && !searchLoading && searchQuery.trim()" class="dropdown">
+              <view class="dropdown-empty">未找到匹配的物品</view>
+            </view>
+          </view>
+        </view>
+        
+        <!-- 关联客户 -->
+        <view class="form-item">
+          <text class="form-label">关联客户</text>
+          
+          <!-- 已选择客户 -->
+          <view v-if="selectedCustomers.length > 0" class="selected-customers">
+            <view
+              v-for="customer in selectedCustomers"
+              :key="customer.id"
+              class="selected-customer-tag"
+            >
+              <text class="customer-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+              <text class="remove-customer" @click="removeSelectedCustomer(customer.id)">×</text>
+            </view>
+          </view>
+          
+          <!-- 搜索框 -->
+          <view class="search-box">
+            <input
+              v-model="customerSearchQuery"
+              class="form-input"
+              type="text"
+              placeholder="搜索客户姓名"
+              @input="onCustomerSearchInput"
+              @focus="onCustomerSearchFocus"
+            />
+            
+            <!-- 搜索结果下拉 -->
+            <view v-if="showCustomerDropdown && customerSearchResults.length > 0" class="dropdown">
+              <view
+                v-for="customer in customerSearchResults"
+                :key="customer.id"
+                class="dropdown-item"
+                @click="selectCustomer(customer)"
+              >
+                <text class="dropdown-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+                <text v-if="customer.primary_phone" class="dropdown-phone">{{ customer.primary_phone }}</text>
+              </view>
+            </view>
+            
+            <view v-if="showCustomerDropdown && customerSearchLoading" class="dropdown">
+              <view class="dropdown-loading">搜索中...</view>
+            </view>
+            
+            <view v-if="showCustomerDropdown && customerSearchResults.length === 0 && !customerSearchLoading && customerSearchQuery.trim()" class="dropdown">
+              <view class="dropdown-empty">未找到匹配的客户</view>
+            </view>
+          </view>
+        </view>
+        
         <!-- 图片上传 -->
         <view class="form-item">
           <text class="form-label">图片</text>
@@ -92,6 +197,8 @@
 <script setup>
 import { ref, reactive, onMounted } from 'vue'
 import { workOrderApi } from '@/api/work_order.js'
+import { warehouseApi } from '@/api/warehouse.js'
+import { customerApi } from '@/api/customer.js'
 import api from '@/api/index.js'
 import { useConfigStore } from '@/stores/config.js'
 
@@ -107,6 +214,23 @@ const pageError = ref('')
 const submitting = ref(false)
 const showDeleteConfirm = ref(false)
 
+// 关联物品
+const selectedItems = ref([])
+const linkedItemIds = ref([])
+const searchQuery = ref('')
+const searchResults = ref([])
+const showDropdown = ref(false)
+const searchLoading = ref(false)
+let searchTimer = null
+
+// 关联客户
+const selectedCustomers = ref([])
+const customerSearchQuery = ref('')
+const customerSearchResults = ref([])
+const showCustomerDropdown = ref(false)
+const customerSearchLoading = ref(false)
+let customerSearchTimer = null
+
 // 表单数据
 const form = reactive({
   title: '',
@@ -128,6 +252,120 @@ function previewPhoto(index) {
   })
 }
 
+// 物品搜索
+function onSearchInput() {
+  clearTimeout(searchTimer)
+  searchTimer = setTimeout(() => {
+    doSearch()
+  }, 300)
+}
+
+function onSearchFocus() {
+  if (searchQuery.value.trim()) {
+    showDropdown.value = true
+  }
+}
+
+async function doSearch() {
+  if (!searchQuery.value.trim()) {
+    searchResults.value = []
+    showDropdown.value = false
+    return
+  }
+  
+  searchLoading.value = true
+  showDropdown.value = true
+  
+  try {
+    const res = await warehouseApi.listItem({
+      search: searchQuery.value.trim()
+    })
+    if (res.errCode === 0 && res.data) {
+      searchResults.value = (res.data.items || []).slice(0, 10)
+    } else {
+      searchResults.value = []
+    }
+  } catch (e) {
+    console.error('搜索物品失败', e)
+    searchResults.value = []
+  } finally {
+    searchLoading.value = false
+  }
+}
+
+function selectItem(item) {
+  // 检查是否已选中
+  if (!selectedItems.value.find(i => i.ID === item.ID)) {
+    selectedItems.value.push(item)
+    linkedItemIds.value.push(item.ID)
+  }
+  searchQuery.value = ''
+  searchResults.value = []
+  showDropdown.value = false
+}
+
+function removeSelectedItem(itemId) {
+  selectedItems.value = selectedItems.value.filter(i => i.ID !== itemId)
+  linkedItemIds.value = linkedItemIds.value.filter(id => id !== itemId)
+}
+
+// 客户搜索
+function onCustomerSearchInput() {
+  clearTimeout(customerSearchTimer)
+  customerSearchTimer = setTimeout(() => {
+    doCustomerSearch()
+  }, 300)
+}
+
+function onCustomerSearchFocus() {
+  if (customerSearchQuery.value.trim()) {
+    showCustomerDropdown.value = true
+  }
+}
+
+async function doCustomerSearch() {
+  if (!customerSearchQuery.value.trim()) {
+    customerSearchResults.value = []
+    showCustomerDropdown.value = false
+    return
+  }
+  
+  customerSearchLoading.value = true
+  showCustomerDropdown.value = true
+  
+  try {
+    const res = await customerApi.list({
+      search: customerSearchQuery.value.trim(),
+      page: 1,
+      page_size: 10
+    })
+    if (res.errCode === 0 && res.data) {
+      customerSearchResults.value = (res.data.customers || []).slice(0, 10)
+    } else {
+      customerSearchResults.value = []
+    }
+  } catch (e) {
+    console.error('搜索客户失败', e)
+    customerSearchResults.value = []
+  } finally {
+    customerSearchLoading.value = false
+  }
+}
+
+function selectCustomer(customer) {
+  // 检查是否已选中
+  if (!selectedCustomers.value.find(c => c.id === customer.id)) {
+    selectedCustomers.value.push(customer)
+  }
+  customerSearchQuery.value = ''
+  customerSearchResults.value = []
+  showCustomerDropdown.value = false
+}
+
+function removeSelectedCustomer(customerId) {
+  selectedCustomers.value = selectedCustomers.value.filter(c => c.id !== customerId)
+}
+
 // 加载工单数据
 async function fetchOrder() {
   pageLoading.value = true
@@ -138,6 +376,17 @@ async function fetchOrder() {
       form.title = order.Title || ''
       form.description = order.Description || ''
       photos.value = res.data.photos || []
+      
+      // 加载已关联的物品
+      if (res.data.linkedItems && res.data.linkedItems.length > 0) {
+        selectedItems.value = res.data.linkedItems
+        linkedItemIds.value = res.data.linkedItems.map(item => item.ID)
+      }
+      
+      // 加载已关联的客户
+      if (res.data.linkedCustomers && res.data.linkedCustomers.length > 0) {
+        selectedCustomers.value = res.data.linkedCustomers
+      }
     } else {
       pageError.value = '工单不存在'
     }
@@ -207,6 +456,16 @@ async function submitForm() {
       photos: photos.value.map(p => p.Sha256)
     }
     
+    // 添加关联物品
+    if (linkedItemIds.value.length > 0) {
+      data.item_ids = linkedItemIds.value
+    }
+    
+    // 添加关联客户
+    if (selectedCustomers.value.length > 0) {
+      data.customer_ids = selectedCustomers.value.map(c => c.id)
+    }
+    
     const res = await workOrderApi.update(data)
     
     if (res.errCode === 0) {
@@ -488,4 +747,142 @@ onMounted(() => {
   font-size: 32rpx;
   color: #fff;
 }
+
+.selected-items {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 15rpx;
+  margin-bottom: 20rpx;
+}
+
+.selected-item-tag {
+  display: flex;
+  align-items: flex-start;
+  gap: 10rpx;
+  padding: 15rpx 20rpx;
+  background-color: #e6f7ff;
+  border:1rpx solid #91d5ff;
+  border-radius: 10rpx;
+  font-size: 26rpx;
+  color: #1890ff;
+  max-width: 100%;
+}
+
+.selected-item-tag-info {
+  flex:1;
+  overflow: hidden;
+}
+
+.selected-item-tag-name {
+  display: block;
+  font-size: 26rpx;
+  color: #1890ff;
+  word-break: break-all;
+}
+
+.selected-item-tag-serial {
+  display: block;
+  font-size: 22rpx;
+  color: #8c8c8c;
+  margin-top: 5rpx;
+  word-break: break-all;
+}
+
+.remove-item {
+  font-size: 28rpx;
+  color: #ff4d4f;
+  padding: 5rpx;
+  flex-shrink: 0;
+}
+
+.selected-customers {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 15rpx;
+  margin-bottom: 20rpx;
+}
+
+.selected-customer-tag {
+  display: flex;
+  align-items: center;
+  gap: 10rpx;
+  padding: 15rpx 20rpx;
+  background-color: #e6f7ff;
+  border:1rpx solid #91d5ff;
+  border-radius: 30rpx;
+  font-size: 26rpx;
+  color: #1890ff;
+}
+
+.customer-name {
+  display: block;
+  font-size: 28rpx;
+  color: #333;
+}
+
+.dropdown-phone {
+  display: block;
+  font-size: 24rpx;
+  color: #999;
+  margin-top: 5rpx;
+}
+
+.remove-customer {
+  font-size: 28rpx;
+  color: #ff4d4f;
+  padding: 5rpx;
+}
+
+.search-box {
+  position: relative;
+}
+
+.dropdown {
+  position: absolute;
+  top: 90rpx;
+  left: 0;
+  right: 0;
+  background-color: #fff;
+  border:1rpx solid #e5e5e5;
+  border-radius: 10rpx;
+  max-height: 400rpx;
+  overflow-y: auto;
+  z-index: 100;
+  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.1);
+}
+
+.dropdown-item {
+  padding: 20rpx;
+  border-bottom:1rpx solid #f0f0f0;
+}
+
+.dropdown-item:last-child {
+  border-bottom: none;
+}
+
+.dropdown-item-info {
+  display: flex;
+  flex-direction: column;
+}
+
+.dropdown-name {
+  display: block;
+  font-size: 28rpx;
+  color: #333;
+}
+
+.dropdown-serial {
+  display: block;
+  font-size: 24rpx;
+  color: #999;
+  margin-top: 5rpx;
+}
+
+.dropdown-loading,
+.dropdown-empty {
+  padding: 30rpx;
+  text-align: center;
+  font-size: 26rpx;
+  color: #999;
+}
 </style>
diff --git a/pages/workorder/show-workorder.vue b/pages/workorder/show-workorder.vue
index 9f09797..8c7d343 100644
--- a/pages/workorder/show-workorder.vue
+++ b/pages/workorder/show-workorder.vue
@@ -58,6 +58,21 @@
             </view>
           </view>
           
+          <!-- 关联客户 -->
+          <view v-if="linkedCustomers.length > 0" class="info-item">
+            <text class="info-label">关联客户</text>
+            <view class="linked-customers">
+              <view
+                v-for="customer in linkedCustomers"
+                :key="customer.id"
+                class="linked-customer"
+              >
+                <text class="linked-customer-name">{{ (customer.last_name || '') + (customer.first_name ? ' ' + customer.first_name : '') }}</text>
+                <text v-if="customer.primary_phone" class="linked-customer-phone">{{ customer.primary_phone }}</text>
+              </view>
+            </view>
+          </view>
+          
           <!-- 关联采购订单汇总（去重） -->
           <view v-if="allPurchaseOrders.length > 0" class="info-item">
             <text class="info-label">关联采购订单</text>
@@ -283,6 +298,7 @@ const order = ref({})
 const photos = ref([])
 const commits = ref([])
 const linkedItems = ref([])
+const linkedCustomers = ref([])
 const canCommit = ref(false)
 const canModify = ref(false)
 
@@ -341,6 +357,7 @@ async function fetchOrderDetail() {
       photos.value = res.data.photos || []
       commits.value = res.data.commits || []
       linkedItems.value = res.data.linkedItems || []
+      linkedCustomers.value = res.data.linkedCustomers || []
       canCommit.value = res.data.canCommit || false
       canModify.value = res.data.canModify || false
     } else {
@@ -800,6 +817,33 @@ async function onRefresh() {
   color: #8c8c8c;
 }
 
+.linked-customers {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 16rpx;
+}
+
+.linked-customer {
+  display: inline-flex;
+  align-items: center;
+  gap: 8rpx;
+  padding: 10rpx 20rpx;
+  background-color: #e6f7ff;
+  border: 1rpx solid #91d5ff;
+  border-radius: 30rpx;
+}
+
+.linked-customer-name {
+  font-size: 24rpx;
+  color: #1890ff;
+}
+
+.linked-customer-phone {
+  font-size: 22rpx;
+  color: #8c8c8c;
+  margin-left: 8rpx;
+}
+
 /* 关联采购订单 */
 .linked-pos {
   display: flex;