diff --git a/src/main.rs b/src/main.rs
index 68e703a..5cbe803 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,14 +38,15 @@ pub fn main() {
         panic!("No services is configured!");
     }
 
-    log::info!("start listen...");
+    log::info!("Start proxy listen...");
     my_server.add_services(services);
     my_server.run_forever();
 }
 
 fn init_logger() {
     let mut builder = Builder::new();
-    builder.filter_level(LevelFilter::Info);
+    let debug = std::env::var("DEBUG").is_ok();
+    builder.filter_level(if debug { LevelFilter::Debug } else { LevelFilter::Info });
     let _ = builder.try_init();
 }