diff --git a/src/styles/menu.scss b/src/styles/menu.scss
index de5ae3d5e..8fe6a1363 100644
--- a/src/styles/menu.scss
+++ b/src/styles/menu.scss
@@ -144,6 +144,9 @@ $single-menu-height: 38px;
       line-height: $single-menu-height;
       display: inline-block;
 
+      .el-tooltip {
+          width: 55px !important;
+        }
     }
 
     .group-title {