fix(doc): 恢复错误更改

Author: nullptr-z

website/src/component/Preview/index.js

@@ -28,7 +28,12 @@ const Markdown = styled(MarkdownPreview)`
 const getBooleanValue = (param, field, defaultValue) => {
   if (Reflect.has(param, field)) {
     const newValue = Reflect.get(param, field);
-    return newValue === 'true';
+    if (newValue === 'true') {
+      return true;
+    }
+    if (newValue === 'false') {
+      return false;
+    }
   }
   return defaultValue;
 };