diff --git a/packages/vant/src/picker/utils.ts b/packages/vant/src/picker/utils.ts
index dfe2c660c..8953c97d4 100644
--- a/packages/vant/src/picker/utils.ts
+++ b/packages/vant/src/picker/utils.ts
@@ -49,7 +49,7 @@ export const isOptionExist = (
   fields: Required<PickerFieldNames>,
 ) =>
   value !== undefined &&
-  !!options.find((option) => option[fields.value] === value);
+  options.some((option) => option[fields.value] === value);
 
 export function findOptionByValue(
   options: PickerOption[],
diff --git a/packages/vant/src/tabbar-item/TabbarItem.tsx b/packages/vant/src/tabbar-item/TabbarItem.tsx
index 6043bea02..c9557cfb2 100644
--- a/packages/vant/src/tabbar-item/TabbarItem.tsx
+++ b/packages/vant/src/tabbar-item/TabbarItem.tsx
@@ -59,7 +59,7 @@ export default defineComponent({
         const { $route } = vm;
         const { to } = props;
         const config = isObject(to) ? to : { path: to };
-        return !!$route.matched.find((val) => {
+        return $route.matched.some((val) => {
           const pathMatched = 'path' in config && config.path === val.path;
           const nameMatched = 'name' in config && config.name === val.name;
           return pathMatched || nameMatched;
diff --git a/packages/vant/src/tabs/Tabs.tsx b/packages/vant/src/tabs/Tabs.tsx
index 0a1ec34ef..86f3ab9fe 100644
--- a/packages/vant/src/tabs/Tabs.tsx
+++ b/packages/vant/src/tabs/Tabs.tsx
@@ -267,12 +267,11 @@ export default defineComponent({
       name: Numeric,
       skipScrollIntoView?: boolean,
     ) => {
-      const matched = children.find(
+      const index = children.findIndex(
         (tab, index) => getTabName(tab, index) === name,
       );
 
-      const index = matched ? children.indexOf(matched) : 0;
-      setCurrentIndex(index, skipScrollIntoView);
+      setCurrentIndex(index === -1 ? 0 : index, skipScrollIntoView);
     };
 
     const scrollToCurrentContent = (immediate = false) => {