doc: Update flutter.md (#983)

childeyouyu · web-flow · commit 3abdb35ccd2b · 2025-07-15T14:25:21.000+08:00
修改错别字
diff --git a/docs/flutter.md b/docs/flutter.md
@@ -592,7 +592,7 @@ Container(
 
 ### Center
 
-Center 组件实际上继承于Align。用于专门剧中。
+Center 组件实际上继承于Align。用于专门居中。
 
 ```dart
 //与 Align中代码效果一致
