diff --git a/inventory-web/src/components/WarehouseSelector.vue b/inventory-web/src/components/WarehouseSelector.vue
new file mode 100644
index 0000000..1a1bea6
--- /dev/null
+++ b/inventory-web/src/components/WarehouseSelector.vue
@@ -0,0 +1,286 @@
+<template>
+  <div class="warehouse-selector">
+    <el-input
+      :model-value="modelValue"
+      readonly
+      placeholder="请选择库位"
+      @click="handleOpen"
+      clearable
+      @clear="handleClear"
+    >
+      <template #suffix>
+        <el-icon class="clear-icon" @click.stop="handleOpen">
+          <ArrowDown />
+        </el-icon>
+      </template>
+    </el-input>
+
+    <el-popover
+      ref="popoverRef"
+      :visible="popoverVisible"
+      placement="bottom-start"
+      :width="380"
+      trigger="click"
+      @update:visible="handleVisibleChange"
+    >
+      <template #reference>
+        <div ref="triggerRef" style="width: 0; height: 0; overflow: hidden;"></div>
+      </template>
+
+      <div class="selector-container">
+        <!-- 顶部导航区 -->
+        <div class="selector-header">
+          <div class="header-left">
+            <el-button
+              v-if="currentPath.length > 0"
+              type="primary"
+              link
+              size="small"
+              @click="handleBack"
+            >
+              <el-icon><ArrowLeft /></el-icon>
+              返回上一级
+            </el-button>
+          </div>
+          <div class="header-right">
+            <el-breadcrumb separator="/">
+              <el-breadcrumb-item>
+                <span class="breadcrumb-root" @click="handleGoHome">全部</span>
+              </el-breadcrumb-item>
+              <el-breadcrumb-item v-for="(item, index) in currentPath" :key="index">
+                <span class="breadcrumb-item">{{ item.name }}</span>
+              </el-breadcrumb-item>
+            </el-breadcrumb>
+          </div>
+        </div>
+
+        <!-- 列表展示区 -->
+        <div class="selector-body">
+          <div v-if="currentList.length === 0" class="empty-tip">
+            当前层级无库位数据
+          </div>
+          <ul v-else class="location-list">
+            <li
+              v-for="item in currentList"
+              :key="item.id"
+              class="location-item"
+              @click="handleSelect(item)"
+            >
+              <div class="item-left">
+                <el-icon><Location /></el-icon>
+                <span class="item-name">{{ item.name }}</span>
+              </div>
+              <div class="item-right">
+                <el-button
+                  v-if="item.children && item.children.length > 0"
+                  type="primary"
+                  link
+                  size="small"
+                  @click.stop="handleDrillDown(item)"
+                >
+                  进入下级
+                  <el-icon><ArrowRight /></el-icon>
+                </el-button>
+                <el-tag v-else type="info" size="small">末级</el-tag>
+              </div>
+            </li>
+          </ul>
+        </div>
+      </div>
+    </el-popover>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import { ArrowDown, ArrowLeft, ArrowRight, Location } from '@element-plus/icons-vue'
+import { ElMessage } from 'element-plus'
+
+interface WarehouseItem {
+  id: number
+  name: string
+  full_path: string
+  level: number
+  children?: WarehouseItem[]
+}
+
+interface Props {
+  modelValue?: string
+  options: WarehouseItem[]
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  modelValue: '',
+  options: () => []
+})
+
+const emit = defineEmits<{
+  'update:modelValue': [value: string]
+}>()
+
+const popoverRef = ref()
+const popoverVisible = ref(false)
+const triggerRef = ref<HTMLElement>()
+
+// 当前导航路径（保存每一层的节点信息）
+const currentPath = ref<WarehouseItem[]>([])
+
+// 当前显示的列表数据
+const currentList = computed(() => {
+  if (currentPath.value.length === 0) {
+    // 顶层：显示根节点列表
+    return props.options
+  }
+  // 非顶层：显示当前层级最后一个节点的 children
+  const lastNode = currentPath.value[currentPath.value.length - 1]
+  return lastNode?.children || []
+})
+
+// 处理弹窗显示/隐藏
+const handleVisibleChange = (visible: boolean) => {
+  popoverVisible.value = visible
+  if (!visible) {
+    // 关闭时重置导航
+    currentPath.value = []
+  }
+}
+
+// 打开弹窗
+const handleOpen = () => {
+  popoverVisible.value = true
+}
+
+// 清空选择
+const handleClear = () => {
+  emit('update:modelValue', '')
+  currentPath.value = []
+}
+
+// 返回上一级
+const handleBack = () => {
+  if (currentPath.value.length > 0) {
+    currentPath.value.pop()
+  }
+}
+
+// 返回顶层
+const handleGoHome = () => {
+  currentPath.value = []
+}
+
+// 进入下一级
+const handleDrillDown = (item: WarehouseItem) => {
+  currentPath.value.push(item)
+}
+
+// 选择当前项
+const handleSelect = (item: WarehouseItem) => {
+  emit('update:modelValue', item.full_path)
+  popoverVisible.value = false
+  currentPath.value = []
+  ElMessage.success(`已选择库位：${item.full_path}`)
+}
+</script>
+
+<style scoped>
+.warehouse-selector {
+  width: 100%;
+}
+
+.clear-icon {
+  cursor: pointer;
+}
+
+.clear-icon:hover {
+  color: #409eff;
+}
+
+.selector-container {
+  margin: -12px;
+}
+
+.selector-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px;
+  border-bottom: 1px solid #ebeef5;
+  background: #f5f7fa;
+}
+
+.header-left {
+  flex-shrink: 0;
+}
+
+.header-right {
+  flex: 1;
+  overflow: hidden;
+}
+
+.breadcrumb-root {
+  cursor: pointer;
+  color: #409eff;
+}
+
+.breadcrumb-root:hover {
+  text-decoration: underline;
+}
+
+.breadcrumb-item {
+  max-width: 150px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.selector-body {
+  max-height: 300px;
+  overflow-y: auto;
+}
+
+.empty-tip {
+  padding: 40px 0;
+  text-align: center;
+  color: #909399;
+}
+
+.location-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.location-item {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 12px 16px;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.location-item:hover {
+  background: #f5f7fa;
+}
+
+.item-left {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.item-left .el-icon {
+  color: #409eff;
+}
+
+.item-name {
+  font-size: 14px;
+  color: #303133;
+}
+
+.item-right {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+</style>
diff --git a/inventory-web/src/views/dashboard/index.vue b/inventory-web/src/views/dashboard/index.vue
index a8aa6a9..0c13d0b 100644
--- a/inventory-web/src/views/dashboard/index.vue
+++ b/inventory-web/src/views/dashboard/index.vue
@@ -214,14 +214,14 @@ const savePrinterConfig = async () => {
 
 // ==================== 库位管理相关 ====================
 // 根据层级返回"新增下级"按钮颜色
-// 第1层(顶级)=primary蓝色, 第2层=success绿色, 第3层=warning橙色, 第4层及以上=info灰色
+// el-tree中顶层节点level=1，第1层=primary蓝色，第2层=success绿色，第3层=warning橙色，第4层及以上=danger红色
 const getAddBtnType = (level: number) => {
   const levelTypes: Record<number, string> = {
-    0: 'primary',   // 第1层(顶级)
-    1: 'success',   // 第2层
-    2: 'warning',   // 第3层
+    1: 'primary',   // 第1层(顶级)
+    2: 'success',   // 第2层
+    3: 'warning',   // 第3层
   }
-  return levelTypes[level] || 'info'  // 第4层及以上
+  return levelTypes[level] || 'danger'  // 第4层及以上
 }
 
 const warehouseDialogVisible = ref(false)
diff --git a/inventory-web/src/views/stock/inbound/buy.vue b/inventory-web/src/views/stock/inbound/buy.vue
index cd24a42..1fd2ec4 100644
--- a/inventory-web/src/views/stock/inbound/buy.vue
+++ b/inventory-web/src/views/stock/inbound/buy.vue
@@ -327,21 +327,10 @@
                 </el-col>
                 <el-col :span="6">
                   <el-form-item label="库位" prop="warehouse_location">
-                    <el-tree-select
+                    <WarehouseSelector
                       v-model="form.warehouse_location"
-                      :data="warehouseOptions"
-                      :props="{ label: 'full_path', value: 'full_path', children: 'children' }"
-                      placeholder="请选择库位"
-                      style="width: 100%"
-                      clearable
-                      filterable
-                      check-strictly
-                      :render-after-expand="false"
-                    >
-                      <template #default="{ data }">
-                        <span>{{ data.name }}</span>
-                      </template>
-                    </el-tree-select>
+                      :options="warehouseOptions"
+                    />
                   </el-form-item>
                 </el-col>
               </el-row>
@@ -660,6 +649,7 @@ import {
 import {getLabelPreview, executePrint} from '@/api/common/print'
 import { getWarehouseTree } from '@/api/common/warehouse'
 import WebRtcCamera from '@/components/Camera/WebRtcCamera.vue'
+import WarehouseSelector from '@/components/WarehouseSelector.vue'
 import { useUserStore } from '@/stores/user'
 
 // ------------------------------------
diff --git a/inventory-web/src/views/stock/inbound/product.vue b/inventory-web/src/views/stock/inbound/product.vue
index 807d3e7..ae00ae0 100644
--- a/inventory-web/src/views/stock/inbound/product.vue
+++ b/inventory-web/src/views/stock/inbound/product.vue
@@ -287,21 +287,10 @@
               <el-row :gutter="24">
                 <el-col :span="6"><el-form-item label="SKU" prop="sku"><el-input v-model="form.sku" placeholder="自动生成" disabled /></el-form-item></el-col>
                 <el-col :span="6"><el-form-item label="库位" prop="warehouse_location">
-                  <el-tree-select
+                  <WarehouseSelector
                     v-model="form.warehouse_location"
-                    :data="warehouseOptions"
-                    :props="{ label: 'full_path', value: 'full_path', children: 'children' }"
-                    placeholder="请选择库位"
-                    style="width: 100%"
-                    clearable
-                    filterable
-                    check-strictly
-                    :render-after-expand="false"
-                  >
-                    <template #default="{ data }">
-                      <span>{{ data.name }}</span>
-                    </template>
-                  </el-tree-select>
+                    :options="warehouseOptions"
+                  />
                 </el-form-item></el-col>
                 <el-col :span="6"><el-form-item label="入库日期"><el-date-picker v-model="form.in_date" type="date" value-format="YYYY-MM-DD" style="width:100%" disabled /></el-form-item></el-col>
               </el-row>
@@ -528,6 +517,7 @@ import {
 } from '@/api/inbound/product'
 import { uploadFile, deleteFile } from '@/api/inbound/buy'
 import WebRtcCamera from '@/components/Camera/WebRtcCamera.vue'
+import WarehouseSelector from '@/components/WarehouseSelector.vue'
 import { getLabelPreview, executePrint } from '@/api/common/print'
 import { getWarehouseTree } from '@/api/common/warehouse'
 import { useUserStore } from '@/stores/user'
diff --git a/inventory-web/src/views/stock/inbound/semi.vue b/inventory-web/src/views/stock/inbound/semi.vue
index 2a50630..be03e34 100644
--- a/inventory-web/src/views/stock/inbound/semi.vue
+++ b/inventory-web/src/views/stock/inbound/semi.vue
@@ -346,21 +346,10 @@
                 <el-col :span="6"><el-form-item label="编码/SKU" prop="sku"><el-input v-model="form.sku" placeholder="系统自动生成" disabled/></el-form-item></el-col>
                 <el-col :span="6"><el-form-item label="入库日期" prop="in_date"><el-date-picker v-model="form.in_date" type="date" value-format="YYYY-MM-DD" style="width:100%" disabled/></el-form-item></el-col>
                 <el-col :span="6"><el-form-item label="库位" prop="warehouse_location">
-                  <el-tree-select
+                  <WarehouseSelector
                     v-model="form.warehouse_location"
-                    :data="warehouseOptions"
-                    :props="{ label: 'full_path', value: 'full_path', children: 'children' }"
-                    placeholder="请选择库位"
-                    style="width: 100%"
-                    clearable
-                    filterable
-                    check-strictly
-                    :render-after-expand="false"
-                  >
-                    <template #default="{ data }">
-                      <span>{{ data.name }}</span>
-                    </template>
-                  </el-tree-select>
+                    :options="warehouseOptions"
+                  />
                 </el-form-item></el-col>
               </el-row>
 
@@ -592,6 +581,7 @@ import {
 } from '@/api/inbound/semi'
 import { uploadFile, deleteFile } from '@/api/inbound/buy'
 import WebRtcCamera from '@/components/Camera/WebRtcCamera.vue'
+import WarehouseSelector from '@/components/WarehouseSelector.vue'
 import {getLabelPreview, executePrint} from '@/api/common/print'
 import { getWarehouseTree } from '@/api/common/warehouse'
 import { useUserStore } from '@/stores/user'