fix: 修复筛选栏空关联告警

frontend/src/views/ia/DrugShipments.vue

@@ -4,7 +4,7 @@
     <div class="main-content-flat unified-shell">
       <div class="filter-container unified-action-bar">
         <el-form :inline="true" :model="filters" class="filter-form">
-          <el-form-item label="" class="filter-item">
+          <el-form-item class="filter-item">
             <el-select v-model="filters.center_id" clearable :placeholder="TEXT.common.fields.site" class="filter-select">
               <template #prefix>
                 <el-icon><Location /></el-icon>
@@ -17,7 +17,7 @@
               />
             </el-select>
           </el-form-item>
-          <el-form-item label="" class="filter-item">
+          <el-form-item class="filter-item">
             <el-select v-model="filters.direction" clearable :placeholder="TEXT.common.fields.direction" class="filter-select">
               <template #prefix>
                 <el-icon><Menu /></el-icon>
@@ -26,7 +26,7 @@
               <el-option :label="TEXT.enums.shipmentDirection.RETURN" value="RETURN" />
             </el-select>
           </el-form-item>
-          <el-form-item label="" class="filter-item">
+          <el-form-item class="filter-item">
             <el-select v-model="filters.status" clearable :placeholder="TEXT.common.fields.status" class="filter-select">
               <template #prefix>
                 <el-icon><CircleCheck /></el-icon>