$nextTick!!!!

src/views/list/CompanyDialog.vue

@@ -141,7 +141,9 @@ export default {
   watch: {
     'fatherType': function(val) {
       if (val === 'project') {
+        this.$nextTick(() => {
           this.getList()
+        })
       }
     }
   },

src/views/projectInfo/addProject.vue

@@ -33,7 +33,7 @@
             label="参与二级单位"
             prop="ZCY2NDORG"
           >
-            <el-select v-model="form.ZCY2NDORG" clearable placeholder="请选择">
+            <el-select v-model="form.ZCY2NDORG" multiple style="width: 100%" clearable placeholder="请选择">
               <el-option
                 v-for="item in secondUnitOptions"
                 :key="item.OID"
@@ -1670,6 +1670,9 @@ export default {
               console.log('获取详情', list)
               this.ZBZTList.push(list)
             }
+            if (formList.ZCY2NDORG) {
+              formList.ZCY2NDORG = formList.ZCY2NDORG.split(',')
+            }
             this.form = {
               BUSINESSID: formList.BUSINESSID,
               ZFUNDNAME: formList.ZFUNDNAME,
@@ -1865,6 +1868,7 @@ export default {
           this.addLoading = true
           this.form.ZAWARDMAINAME = this.ZBZTList.map(item => item.ZBPNAME_ZH).join(',')
           this.form.ZAWARDMAI = this.ZBZTList.map(item => item.ZBP).join(',')
+          this.form.ZCY2NDORG = this.form.ZCY2NDORG.length ? this.form.ZCY2NDORG.join(',') : ''
           const formList = this.form
           // form 表单截取部分数据 以便新增或修改
           this.form = {