diff --git a/src/presets/ss-base.js b/src/presets/ss-base.js
index 727eb9d..53f46c4 100644
--- a/src/presets/ss-base.js
+++ b/src/presets/ss-base.js
@@ -125,7 +125,7 @@ export default class SsBasePreset extends IPresetAddressing {
         port = buffer.slice(17, 19).readUInt16BE(0);
         offset += 16;
         break;
-      case ATYP_DOMAIN:
+      case ATYP_DOMAIN: {
         const domainLen = buffer[1];
         if (buffer.length < domainLen + 4) {
           return fail(`invalid length: ${buffer.length}`);
@@ -137,6 +137,7 @@ export default class SsBasePreset extends IPresetAddressing {
         port = buffer.slice(2 + domainLen, 4 + domainLen).readUInt16BE(0);
         offset += (domainLen + 1);
         break;
+      }
       default:
         return fail(`invalid atyp: ${atyp}`);
     }
diff --git a/test/common/curl.js b/test/common/curl.js
index 551a0a6..20d7c41 100644
--- a/test/common/curl.js
+++ b/test/common/curl.js
@@ -21,7 +21,7 @@ export default async function curl(args) {
       case 'https':
         command.push(`--proxy-insecure -x https://${proxyHost}:${proxyPort}`);
         break;
-      default:
+      default: {
         const proxy = {
           'socks': '--socks5',
           'socks4': '--socks4',
@@ -32,6 +32,7 @@ export default async function curl(args) {
           command.push(`${proxy} ${proxyHost}:${proxyPort}`);
         }
         break;
+      }
     }
     command.push(`${targetHost}:${targetPort}`);
     command = command.join(' ');