2 files changed, 27 insertions, 2 deletions

diff --git a/doc/docs/doc/README.md b/doc/docs/doc/README.md
index 7e9b454..a970baa 100755
--- a/doc/docs/doc/README.md
+++ b/doc/docs/doc/README.md
@@ -3538,7 +3538,7 @@ with str := "Hello"
 </pre>
 </YueDisplay>
 
-Accessing special keys with `[]` in a `with` statement.
+You can access special keys with `[]` in a `with` statement.
 
 ```moonscript
 with tb
@@ -3561,6 +3561,18 @@ with tb
 </pre>
 </YueDisplay>
 
+`with?` is an enhanced version of `with` syntax, which introduces an existential check to safely access objects that may be nil without explicit null checks.
+
+```moonscript
+with? obj
+  print obj.name
+```
+<YueDisplay>
+<pre>
+with? obj
+  print obj.name
+</pre>
+</YueDisplay>
 
 ## Do
 
diff --git a/doc/docs/zh/doc/README.md b/doc/docs/zh/doc/README.md
index da90fa6..2d4af18 100755
--- a/doc/docs/zh/doc/README.md
+++ b/doc/docs/zh/doc/README.md
@@ -3494,7 +3494,7 @@ with str := "你好"
 </pre>
 </YueDisplay>
 
-在with语句中可������用`[]`访问特殊键。
+你���以��� `with` 语句中使用 `[]` 访问特殊键。
 
 ```moonscript
 with tb
@@ -3517,6 +3517,19 @@ with tb
 </pre>
 </YueDisplay>
 
+`with?` 是 `with` 语法的一个增强版本，引入了存在性检查，用于在不显式判空的情况下安全访问可能为 nil 的对象。
+
+```moonscript
+with? obj
+  print obj.name
+```
+<YueDisplay>
+<pre>
+with? obj
+  print obj.name
+</pre>
+</YueDisplay>
+
 ## do 语句
 
 当用作语句时，do语句的作用就像在Lua中差不多。