diff --git a/src/lib.rs b/src/lib.rs
index 0598d87..43da8d7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,3 +3,17 @@ pub use ccutils::Result;
 mod cli;
 mod config;
 mod syncer;
+
+pub fn cumain() -> Result<()> {
+    let cli = cli::parse();
+
+    // 设置日志级别
+    match (cli.debug, cli.quiet) {
+        (true, _) => std::env::set_var("RUST_LOG", "debug"),
+        (false, true) => std::env::set_var("RUST_LOG", "error"),
+        _ => {},
+    }
+    ccutils::set_up_logging()?;
+
+    Ok(())
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..85cc02e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,3 @@
-fn main() {
-    println!("Hello, world!");
+fn main() -> cuweb_syncer::Result<()> {
+    cuweb_syncer::cumain()
 }