diff --git a/bin/router.js b/bin/router.js
index 64f41b1..7cad897 100644
--- a/bin/router.js
+++ b/bin/router.js
@@ -6,11 +6,11 @@ function addMapping(router, mapping) {
         if (url.startsWith('GET ')) {
             var path = url.substring(4);
             router.get(path, mapping[url]);
-            console.log(`register URL mapping: GET ${path}`);
+            // console.log(`register URL mapping: GET ${path}`);
         } else if (url.startsWith('POST ')) {
             var path = url.substring(5);
             router.post(path, mapping[url]);
-            console.log(`register URL mapping: POST ${path}`);
+            // console.log(`register URL mapping: POST ${path}`);
         } else {
             console.log(`invalid URL: ${url}`);
         }
@@ -32,7 +32,7 @@ function addControllers(router, controllers_dir) {
     });
 
     for (var f of js_files) {
-        console.log(`process controller: ${f}...`);
+        // console.log(`process controller: ${f}...`);
         let mapping = require(dir + `/${controllers_dir}/` + f);
         addMapping(router, mapping);
     }