处理unknown的问题

src/views/mes/md/product/index.vue

@@ -149,10 +149,10 @@
             </el-form-item>
           </el-col>
           <el-col :span="12">
-            <el-form-item :label="$t('物料/产品分类')" prop="itemTypeName">
-              <treeselect v-model="form.itemTypeName" :options="itemTypeOptions" :show-count="true" disabled
+            <el-form-item :label="$t('物料/产品分类')" prop="itemTypeId">
+              <treeselect v-model="form.itemTypeId" :options="itemTypeOptions" :show-count="true" disabled
                 v-if="optType == 'view'" />
-              <treeselect v-model="form.itemTypeName" :options="itemTypeOptions" :show-count="true"
+              <treeselect v-model="form.itemTypeId" :options="itemTypeOptions" :show-count="true" @select="changeTree"
                 v-else :disable-branch-nodes="true" />
             </el-form-item>
           </el-col>
@@ -484,6 +484,10 @@ export default {
         this.optType = "view";
       });
     },
+    changeTree(row){
+      this.form.itemTypeId = row.id
+      this.form.itemTypeName = row.label
+    },
     /** 新增按钮操作 */
     handleAdd() {
       this.reset();