diff --git a/src/nav-bar/index.less b/src/nav-bar/index.less
index 8f72ac913..1fed3ee1f 100644
--- a/src/nav-bar/index.less
+++ b/src/nav-bar/index.less
@@ -15,8 +15,8 @@
   }
 
   &--safe-area-inset-top {
-    padding-top: constant(safe-area-inset-bottom);
-    padding-top: env(safe-area-inset-bottom);
+    padding-top: constant(safe-area-inset-top);
+    padding-top: env(safe-area-inset-top);
   }
 
   .van-icon {