diff --git a/.changeset/free-facts-tell.md b/.changeset/free-facts-tell.md
new file mode 100644
index 0000000000..853d812bb3
--- /dev/null
+++ b/.changeset/free-facts-tell.md
@@ -0,0 +1,3 @@
+---
+
+---
diff --git a/packages/react/transform/index.d.ts b/packages/react/transform/index.d.ts
index 0649e3f782..b261df5cae 100644
--- a/packages/react/transform/index.d.ts
+++ b/packages/react/transform/index.d.ts
@@ -353,8 +353,35 @@ export interface DynamicImportVisitorConfig {
   /** @internal */
   layer: string
 }
+/**
+ * {@inheritdoc PluginReactLynxOptions.extractStr}
+ * @public
+ */
 export interface ExtractStrConfig {
-  /** @public */
+  /**
+   * @public
+   * The minimum length of string literals to be extracted.
+   *
+   * @remarks
+   * Default value: `20`.
+   *
+   * @example
+   *
+   * ```js
+   * import { defineConfig } from '@lynx-js/rspeedy'
+   * import { pluginReactLynx } from '@lynx-js/react-rsbuild-plugin'
+   *
+   * export default defineConfig({
+   *   plugins: [
+   *     pluginReactLynx({
+   *       extractStr: {
+   *         strLength: 10,
+   *       },
+   *     })
+   *   ],
+   * })
+   * ```
+   */
   strLength: number
   /** @internal */
   extractedStrArr?: Array<string>
diff --git a/packages/react/transform/src/swc_plugin_extract_str/mod.rs b/packages/react/transform/src/swc_plugin_extract_str/mod.rs
index 79445622f6..8dda6b88ec 100644
--- a/packages/react/transform/src/swc_plugin_extract_str/mod.rs
+++ b/packages/react/transform/src/swc_plugin_extract_str/mod.rs
@@ -7,11 +7,35 @@ use swc_core::{
   ecma::visit::{VisitMut, VisitMutWith},
   quote,
 };
+
+/// {@inheritdoc PluginReactLynxOptions.extractStr}
+/// @public
 #[derive(PartialEq, Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "camelCase")]
 #[napi(object)]
 pub struct ExtractStrConfig {
   /// @public
+  /// The minimum length of string literals to be extracted.
+  ///
+  /// @remarks
+  /// Default value: `20`.
+  ///
+  /// @example
+  ///
+  /// ```js
+  /// import { defineConfig } from '@lynx-js/rspeedy'
+  /// import { pluginReactLynx } from '@lynx-js/react-rsbuild-plugin'
+  ///
+  /// export default defineConfig({
+  ///   plugins: [
+  ///     pluginReactLynx({
+  ///       extractStr: {
+  ///         strLength: 10,
+  ///       },
+  ///     })
+  ///   ],
+  /// })
+  /// ```
   pub str_length: u32,
   /// @internal
   pub extracted_str_arr: Option<Vec<String>>,