diff --git a/src/views/mtm/route_form.vue b/src/views/mtm/route_form.vue
index 4f881c05..b2d17db3 100644
--- a/src/views/mtm/route_form.vue
+++ b/src/views/mtm/route_form.vue
@@ -145,10 +145,11 @@
 									clearable
 									v-model="form.material_out_tracking"
 									placeholder="输出物料追踪方式"
+									:value-on-clear="null"
 									style="width: 100%"
 								>
-									<el-option label="单个" value="10"></el-option>
-									<el-option label="批次" value="20"></el-option>
+									<el-option label="单个" :value="10"></el-option>
+									<el-option label="批次" :value="20"></el-option>
 								</el-select>
 							</el-form-item>
 						</el-col>
@@ -247,7 +248,7 @@ const defaultForm = {
 	div_number:1,
 	batch_bind: false,
 	is_autotask: true,
-	material_out_tracking:''
+	material_out_tracking:null
 };
 export default {
 	props: {