fix type

ascoders · ascoders · commit 71a48cde3b20 · 2021-01-20T15:12:30.000+08:00
diff --git a/164.精读《数据搭建引擎 bi-designer API-设计器》.md b/164.精读《数据搭建引擎 bi-designer API-设计器》.md
@@ -622,7 +622,7 @@ const App = () => (
 import { Designer } from '@alife/bi-designer'
 const App = () => (
   <Designer
-    shouldAddComponents={({deletedComponentInstancesArray, pageSchema}) => {
+    shouldDeleteComponents={({deletedComponentInstancesArray, pageSchema}) => {
       // 阻止删除
       return false
     }}
