diff --git a/src/assets/less/common.less b/src/assets/less/common.less
index 84dc759..f1c2f68 100644
--- a/src/assets/less/common.less
+++ b/src/assets/less/common.less
@@ -526,6 +526,7 @@
   white-space: nowrap;
   text-overflow: ellipsis;
   flex: 1;
+  max-width: 140px;
 }
 
 // 鼠标移入树节点样式修改