fix: top nav style #502

src/components/global.less

@@ -300,6 +300,12 @@ body {
 
         .content-box {
           float: right;
+          .action {
+            max-width: 140px;
+            overflow: hidden;
+            text-overflow:ellipsis;
+            white-space:nowrap;
+          }
         }
       }
     }