diff --git a/src/toast/index.less b/src/toast/index.less
index 373fb69b4..0f55e7ef3 100644
--- a/src/toast/index.less
+++ b/src/toast/index.less
@@ -42,7 +42,7 @@
   &--html {
     width: fit-content;
     min-width: @toast-text-min-width;
-    min-height: unset;
+    min-height: 0;
     padding: @toast-text-padding;
 
     .van-toast__text {