diff --git a/src/components/sp-float-layout/index.scss b/src/components/sp-float-layout/index.scss
index 6b37b4b6f..0bccaed86 100644
--- a/src/components/sp-float-layout/index.scss
+++ b/src/components/sp-float-layout/index.scss
@@ -5,7 +5,7 @@
   right: 0;
   width: 100%;
   height: 100%;
-  z-index: 99999;
+  z-index: 1000;
   // display: none;
   transform: translate3D(0, 110%, 0);
   &__overlay {