diff --git a/jero-web/src/views/documentManage/splitting/modules/SplitAddForm.vue b/jero-web/src/views/documentManage/splitting/modules/SplitAddForm.vue
index 5c9a49c3b..dc02a0bb9 100644
--- a/jero-web/src/views/documentManage/splitting/modules/SplitAddForm.vue
+++ b/jero-web/src/views/documentManage/splitting/modules/SplitAddForm.vue
@@ -1324,6 +1324,18 @@
     border: 1px #00B3BE solid;
     color: #00B3BE;
   }
+
+  ::v-deep .ant-select-tree {
+    width: auto;
+    height: 300px;
+    overflow: auto;
+    position: absolute;
+    /*background: #fff;*/
+  }
+
+  ::v-deep .ant-select-tree-dropdown {
+    min-height: 320px;
+  }
 </style>
 
 <style lang="less">
diff --git a/jero-web/src/views/projectManagement/components/listOfRelevantPersonnel.vue b/jero-web/src/views/projectManagement/components/listOfRelevantPersonnel.vue
index 755c66c3a..1468194df 100644
--- a/jero-web/src/views/projectManagement/components/listOfRelevantPersonnel.vue
+++ b/jero-web/src/views/projectManagement/components/listOfRelevantPersonnel.vue
@@ -112,7 +112,7 @@
                 {{$t('edit')}}
           </a>
         </span>
-        <span slot="regulatoryEngineer" >
+        <span slot="regulatoryEngineer">
             <span :title="$t('regulatoryEngineer')">
               {{$t('regulatoryEngineer')}}
             </span>
@@ -218,6 +218,7 @@
                 <!--                :prop="'certificationEngineer'"-->
                 <a-form-model-item class="itemModel">
                   <a-select allowClear
+                            class="box-input"
                             v-model="formInline.certificationEngineer"
                             :placeholder="$t('certifiedEngineer')+$t('areaOfResponsibility')">
                     <a-select-option v-for="(item, key) in dictOptionsValue"
@@ -283,18 +284,18 @@
           {
             align: 'center',
             dataIndex: 'lawEngineerName',
-            slots:{title:'regulatoryEngineer'},
+            slots: { title: 'regulatoryEngineer' },
             ellipsis: true
           },
           {
             align: 'center',
-            slots:{title:'engineeringInterfacePerson'},
+            slots: { title: 'engineeringInterfacePerson' },
             dataIndex: 'engineeringInterfacePersonName',
             ellipsis: true
           },
           {
             align: 'center',
-            slots:{title:'certifiedEngineer'},
+            slots: { title: 'certifiedEngineer' },
             dataIndex: 'certificationEngineerName',
             ellipsis: true
           },
@@ -417,10 +418,10 @@
         this.selectedRowKeys = []
         this.getList()
       },
-      handleCancel(){
+      handleCancel() {
         this.visible = false
       },
-      handleSubmit(){
+      handleSubmit() {
         this.visible = false
       },
       batSettingClick() {
@@ -469,6 +470,9 @@
         this.editVisible = true
         this.$nextTick(() => {
           this.formInline = JSON.parse(JSON.stringify(item))
+          if (!(this.dictOptionsValue.some(val => val.certificationEngineer == this.formInline.certificationEngineer))) {
+            this.formInline.certificationEngineer = undefined
+          }
           this.$refs.ruleForm.clearValidate()
         })
       },
@@ -642,11 +646,12 @@
     height: 38px;
     /*margin-top: 2px;*/
   }
+
   .drawer-bootom-button {
     position: absolute;
     bottom: 0;
     width: 100%;
-    z-index:100;
+    z-index: 100;
     border-top: 1px solid #e8e8e8;
     padding: 10px 16px;
     text-align: right;