diff --git a/src/apps/AppMonitoringObject/Add.vue b/src/apps/AppMonitoringObject/Add.vue
index c33ca263..266abaa2 100644
--- a/src/apps/AppMonitoringObject/Add.vue
+++ b/src/apps/AppMonitoringObject/Add.vue
@@ -895,6 +895,7 @@ export default {
       .left {
         display: flex;
         align-items: center;
+        width: 260px;
 
         span {
           color: #333333;