diff --git a/.webpack/css.js b/.webpack/css.js
index df2919b4..31ab5f93 100644
--- a/.webpack/css.js
+++ b/.webpack/css.js
@@ -46,7 +46,7 @@ const rules = [{
     use: {
         loader: 'url-loader',
         options: {
-            limit: 100000,
+            limit: 100_000,
         },
     },
 }];
diff --git a/.webpack/js.js b/.webpack/js.js
index 8f32f4bd..48c9d953 100644
--- a/.webpack/js.js
+++ b/.webpack/js.js
@@ -110,8 +110,8 @@ module.exports = {
     },
     plugins,
     performance: {
-        maxEntrypointSize: 600000,
-        maxAssetSize: 600000,
+        maxEntrypointSize: 600_000,
+        maxAssetSize: 600_000,
     },
 };
 
diff --git a/server/server.js b/server/server.js
index 394b62e1..97ef762b 100644
--- a/server/server.js
+++ b/server/server.js
@@ -63,7 +63,7 @@ module.exports = async (options, config) => {
         configManager: config,
     }));
     
-    if (port < 0 || port > 65535)
+    if (port < 0 || port > 65_535)
         return exitPort('port number could be 1..65535, 0 means any available port');
     
     const listen = promisifySelf(server.listen, server);