diff --git a/packages/uni-h5/src/service/api/ui/tabBar.ts b/packages/uni-h5/src/service/api/ui/tabBar.ts
index f9111a8909e8675bfb8ed8fd715e5ec00cbddd03..aa821d712803cc34e77b2c8c31e262249f0b91dd 100644
--- a/packages/uni-h5/src/service/api/ui/tabBar.ts
+++ b/packages/uni-h5/src/service/api/ui/tabBar.ts
@@ -60,10 +60,7 @@ function setProperties(
 ) {
   props.forEach(function (name) {
     if (hasOwn(propsData, name)) {
-      // if borderColor > borderStyle
       item[name] = propsData[name]
-    } else {
-      item[name] = undefined
     }
   })
 }