diff --git a/inventory-web/src/views/stock/inbound/product.vue b/inventory-web/src/views/stock/inbound/product.vue
index 3ce5da1..81150f4 100644
--- a/inventory-web/src/views/stock/inbound/product.vue
+++ b/inventory-web/src/views/stock/inbound/product.vue
@@ -34,7 +34,6 @@
             filterable
             @change="fetchData"
             style="width: 160px;"
-            popper-class="long-dropdown"
         >
           <el-option v-for="item in categoryOptions" :key="item" :label="item" :value="item" />
         </el-select>
@@ -47,7 +46,6 @@
             filterable
             @change="fetchData"
             style="width: 160px;"
-            popper-class="long-dropdown"
         >
           <el-option v-for="item in typeOptions" :key="item" :label="item" :value="item" />
         </el-select>
@@ -207,7 +205,7 @@
                         @change="onMaterialSelected"
                         default-first-option
                         v-loadmore="loadMoreMaterials"
-                        popper-class="long-dropdown"
+                        popper-class="product-dropdown"
                     >
                       <template #prefix><el-icon><Search /></el-icon></template>
                       <el-option v-for="item in materialOptions" :key="item.id" :label="item.name" :value="item.id">
@@ -482,7 +480,8 @@ import { useUserStore } from '@/stores/user'
 const vLoadmore = {
   mounted(el: any, binding: any) {
     const checkAndBind = () => {
-      const dropDownWrap = document.querySelector('.long-dropdown .el-select-dropdown__wrap')
+      // 这里的 .product-dropdown 是唯一标识，防止和采购/半成品页面冲突
+      const dropDownWrap = document.querySelector('.product-dropdown .el-select-dropdown__wrap')
       if (dropDownWrap && !dropDownWrap.getAttribute('data-loadmore-bound')) {
         dropDownWrap.setAttribute('data-loadmore-bound', 'true')
         dropDownWrap.addEventListener('scroll', function (this: any) {
@@ -1085,7 +1084,7 @@ onMounted(() => {
 </style>
 
 <style>
-.long-dropdown { width: 580px !important; }
-.long-dropdown .el-select-dropdown__wrap { max-height: 320px !important; }
-.long-dropdown .el-input__suffix { z-index: 10; }
+.product-dropdown { width: 580px !important; }
+.product-dropdown .el-select-dropdown__wrap { max-height: 320px !important; }
+.product-dropdown .el-input__suffix { z-index: 10; }
 </style>
\ No newline at end of file