修复文本溢出问题

src/styles/default.less

@@ -110,6 +110,10 @@
               font-size: 18px;
               color: #1890ff;
               flex-shrink: 0;
+              max-width: 50%;
+              overflow: hidden;
+              white-space: nowrap;
+              text-overflow: ellipsis;
             }
             > .toolbar-container{
               margin-left: auto;