diff --git a/README.md b/README.md
index d0ccaca..aceebe1 100644
--- a/README.md
+++ b/README.md
@@ -72,8 +72,7 @@ conda activate unimernet
 > Method 1: Install via pip (recommended for general users)
 
 ```bash
-pip install --upgrade unimernet
-pip install "unimernet[full]"
+pip install -U "unimernet[full]"
 ```
 
 > Method 2: Local installation (recommended for developers)
diff --git a/pyproject.toml b/pyproject.toml
index f1ec449..188cd40 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "unimernet"
-version = "0.2.0"
+version = "0.2.1"
 description = 'UniMERNet: A Universal Network for Real-World Mathematical Expression Recognition'
 authors = ["Bin Wang <ictwangbin@gmail.com>"]
 readme = "README.md"