diff --git a/src/views/system/dept/invRelBusType.vue b/src/views/system/dept/invRelBusType.vue
index 35f6d9d1..f9f22a59 100644
--- a/src/views/system/dept/invRelBusType.vue
+++ b/src/views/system/dept/invRelBusType.vue
@@ -4,6 +4,7 @@
     <el-transfer v-model="value" :data="data"
                  class="edit_dev"
                  @change="transferChange"
+                 @mouseover.native="addTitle"
                  filterable
                  :titles="['未选入单据类型', '已选入单据类型']"
 
@@ -123,6 +124,13 @@ export default {
       this.multipleSelection = val;
     },
 
+    addTitle(e) {
+      // 手动给鼠标滑过的元素加一个title
+      let target_el = e.target;
+      if (target_el.title) return;
+      target_el.title = target_el.innerText;
+    },
+
 
     transferChange(value, direction, keyArr) {
       this.keyArr=value;