diff --git a/tool/rawstr4c/lib/Generator.rakumod b/tool/rawstr4c/lib/Generator.rakumod
index 7c31091..ceac3bb 100644
--- a/tool/rawstr4c/lib/Generator.rakumod
+++ b/tool/rawstr4c/lib/Generator.rakumod
@@ -80,7 +80,12 @@ my class CVariableNameGenerator {
                        $global-config.get('keep-postfix', 'true').as-bool();
 
     my $name = $section-config.get('name', $title.lc).as-string();
-    $name = $name.subst(/\s+/, '_', :g);
+    # 替换非法字符
+    $name = $name.subst(/<-[a..z A..Z 0..9 _]>/, '_', :g);
+    # 合并连续的下划线
+    $name = $name.subst(/_+/, '_', :g);
+    # 移除结尾的下划线
+    $name = $name.subst(/_+$/, '');
 
     # 组装变量名
     my $var-name = "";
diff --git a/tool/rawstr4c/lib/Version.rakumod b/tool/rawstr4c/lib/Version.rakumod
index 71d7836..b9aba0a 100644
--- a/tool/rawstr4c/lib/Version.rakumod
+++ b/tool/rawstr4c/lib/Version.rakumod
@@ -10,7 +10,7 @@
 
 unit module Version;
 
-constant VERSION = "0.1.0.1";
+constant VERSION = "0.1.0.2";
 constant RELEASE_DATE = "2025/07/14";
 
 constant Maintain_URL = "https://github.com/RubyMetric/chsrc/blob/dev/tool/rawstr4c";