fix(tab-bar): 初始化 placeholderHeight

novlan1 · novlan1 · commit e14485fd3006 · 2026-02-06T01:43:35.000+08:00
diff --git a/packages/uniapp-components/tab-bar/tab-bar.vue b/packages/uniapp-components/tab-bar/tab-bar.vue
@@ -56,6 +56,7 @@ export default uniComponent({
       tools,
 
       dataValue: coalesce(this.value, this.defaultValue),
+      placeholderHeight: 56,
     };
   },
   watch: {
