diff --git a/tool/rawstr4c/lib/Parser.rakumod b/tool/rawstr4c/lib/Parser.rakumod
index 084960b..816709a 100644
--- a/tool/rawstr4c/lib/Parser.rakumod
+++ b/tool/rawstr4c/lib/Parser.rakumod
@@ -13,13 +13,13 @@
 unit module Parser;
 
 #| 不能用 Bool，只能用 Boolean
-my enum ConfigValueType <String Mode Boolean>;
+my enum ConfigItemValueType <String Mode Boolean>;
 
 #| 配置项的值
-my class ConfigValue {
-  has ConfigValueType $.type;
-  has Str             $.raw-value;
-  has Any             $.parsed-value;
+my class ConfigItemValue {
+  has ConfigItemValueType $.type;
+  has Str                 $.raw-value;
+  has Any                 $.parsed-value;
 
   method new($raw-text) {
     my $type;
@@ -77,32 +77,32 @@ my class ConfigValue {
 #| 包含所有 config items 的容器
 my class Config {
 
-  has %.items;
+  has %!items;
 
   # 如果非要在程序内部中调用，而不是直接从 Markdown 文件中读取出来
   # 一定要记得 $raw-value 用的是 rawstr4c 的语法！也就是说，这里一定是一个字符串
   method set($k, $raw-value) {
-    %.items{$k} = ConfigValue.new($raw-value);
+    %!items{$k} = ConfigItemValue.new($raw-value);
   }
 
   method get($k, $default = Nil) {
-    return %.items{$k} // ($default ?? ConfigValue.new($default) !! ConfigValue.new(''));
+    return %!items{$k} // ($default ?? ConfigItemValue.new($default) !! ConfigItemValue.new(''));
   }
 
   method exist($k) {
-    return %.items{$k}:exists;
+    return %!items{$k}:exists;
   }
 
   # 配置项名称
   # @danger: 把这个函数命名为 items，会让我的机器蓝屏.....
   method keys() {
-    return %.items.keys;
+    return %!items.keys;
   }
 }
 
 
 #| 表示一个 section
-class Section {
+my class Section {
 
   has Str $.title;
   has Int $.level;