收藏夹+demo

src/views/modules/project/projectInfo/com_project_info_purchase_request.vue

@@ -65,7 +65,7 @@
 
         <el-form-item :label="'项目料号'" prop="testPartNo" :rules="dataRole.testPartNo">
           <el-select v-model="dataForm.testPartNo" placeholder="请选择" style="width: 130px" @change="getPartName">
-            <el-option v-for="item in projectPartList "  :label="item.testPartNo"
+            <el-option v-for="item in projectPartList " :key="index"  :label="item.testPartNo"
                        :value="item.testPartNo" >
             </el-option>
           </el-select>