diff --git a/reginleif/Cargo.toml b/reginleif/Cargo.toml
index 30b54cd..1620fa3 100644
--- a/reginleif/Cargo.toml
+++ b/reginleif/Cargo.toml
@@ -3,7 +3,6 @@ name = "reginleif"
 version = "0.1.0"
 edition = "2021"
 license = "Apache-2.0"
-license-file = "../LICENSE"
 description = "The core library of nolauncher."
 readme = "../README.md"
 repository = "https://github.com/bloodnighttw/reginleif"
diff --git a/reginleif/src/auth/microsoft.rs b/reginleif/src/auth/microsoft.rs
index be84770..8f6d722 100644
--- a/reginleif/src/auth/microsoft.rs
+++ b/reginleif/src/auth/microsoft.rs
@@ -226,6 +226,7 @@ impl DeviceCode{
 
 }
 
+/// The struct contain all the information that oauth2 device code auth flow need.
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone, Expirable, PartialEq)]
 pub struct MicrosoftAuth {
     pub token_type: String,