添加会员营期选择公司时支持按公司名称搜素

src/views/course/userCoursePeriod/index.vue

@@ -276,7 +276,7 @@
         </el-form-item>
          <el-form-item label="公司" prop="companyId">
           <div style="display: flex; gap: 10px; align-items: flex-start;">
-            <el-select v-model="form.companyId" placeholder="请选择公司" multiple style="flex: 1;">
+            <el-select v-model="form.companyId" placeholder="请选择公司" filterable clearable multiple style="flex: 1;">
               <el-option
                 v-for="item in companyOptions"
                 :key="item.companyId"