diff --git a/Cargo.toml b/Cargo.toml
index 6ba8697..0a8d213 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,12 +1,13 @@
 [package]
 name = "crate_interface"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["Yuekai Jia <equation618@gmail.com>"]
 description = "Provides a way to define an interface (trait) in a crate, but can implement or use it in any crate."
 license = "GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0"
 homepage = "https://github.com/arceos-org/arceos"
 repository = "https://github.com/arceos-org/crate_interface"
+documentation = "https://docs.rs/crate_interface"
 keywords = ["arceos", "api", "macro"]
 categories = ["development-tools::procedural-macro-helpers", "no-std"]