diff --git a/src/components/FooterToolbar/index.less b/src/components/FooterToolbar/index.less
index a0bbb52e394dcc98b71d7d2a85cb9c6bf5c05c1d..5f2d3c9281ea67f6f51df20114e5a1b983d27996 100644
--- a/src/components/FooterToolbar/index.less
+++ b/src/components/FooterToolbar/index.less
@@ -12,6 +12,7 @@
   border-top: 1px solid @border-color-split;
   padding: 0 24px;
   transition: all .3s;
+  z-index: 9;
 
   &:after {
     content: "";