diff --git a/Cargo.toml b/Cargo.toml
index d7bc544482b706c30df63bb679817a38135304aa..5729babda174c78122145ea383b1dd18ab31932e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
-name = "openGauss-embedded"
+name = "oedb"
 version = "0.1.0"
 authors = ["huawei"]
-edition = "2018"
+edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/src/main.rs b/src/main.rs
index 805d0eb7f6ae1e1ceb8584f43f172747c062361c..dbef64ffc1f06fcbd168ccb62e5a8379c195b478 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,2 +1,3 @@
 fn main() {
-}
\ No newline at end of file
+	println!("Starting oedb ...");
+}