style(订单表单): 修改上传按钮样式和文案

src/components/order-form/material-detail-table.vue

@@ -59,13 +59,13 @@
             下载模板
           </el-button>
           <el-button
-            type="primary"
-            icon="el-icon-upload"
+            type="warning"
+            icon="el-icon-upload2"
             size="small"
             :loading="uploadLoading"
             @click="handleUploadClick"
           >
-            上传
+            导入
           </el-button>
           <input
             ref="materialUploadInput"