diff --git a/Cargo.lock b/Cargo.lock
index 770d9dd..fef661c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -192,7 +192,7 @@ dependencies = [
 
 [[package]]
 name = "epub2mdbook"
-version = "0.13.0"
+version = "0.14.0"
 dependencies = [
  "clap",
  "epub",
diff --git a/Cargo.toml b/Cargo.toml
index b18a195..b659ea1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "epub2mdbook"
-version = "0.13.0"
+version = "0.14.0"
 edition = "2024"
 description = "A tool to convert EPUB files to MDBook format"
 authors = ["Maverick Liu <maverick.liu42@gmail.com>"]
diff --git a/README.md b/README.md
index 473af20..aa4adc8 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This is a powerful tool to convert EPUB files to MDBook format.
 
 ```bash
 cargo install epub2mdbook
-epub2mdbook --input-epub path/to/input.epub --output-dir path/to/output
+epub2mdbook path/to/input.epub --output-dir path/to/output
 ```
 
 ### Rust
@@ -16,5 +16,5 @@ epub2mdbook --input-epub path/to/input.epub --output-dir path/to/output
 ```rust
 use epub2mdbook::convert_epub_to_mdbook;
 
-convert_epub_to_mdbook("path/to/input.epub", Some("path/to/output"), true);
+convert_epub_to_mdbook("path/to/input.epub", "path/to/output", true);
 ```