docs: 格式化 & 更准确的命名

dntzhang · dntzhang · commit 847392a2554c · 2023-07-26T08:34:08.000+08:00
diff --git a/README.CN.md b/README.CN.md
@@ -287,7 +287,7 @@ groupObj.empty ()
 使用一个对象替代子对象
 
 ```js
-groupObj.replace (current, pre)
+groupObj.replace(current, prev)
 ```
 
 ### Stage
diff --git a/README.md b/README.md
@@ -184,7 +184,7 @@ groupObj.empty()
 replace child by another obj
 
 ```js
-groupObj.replace (current, pre)
+groupObj.replace(current, prev)
 ```
 
 ### Stage
