diff --git a/scripts/dev/gateway-smoke.ts b/scripts/dev/gateway-smoke.ts
index 9509709ee2af..973847721702 100644
--- a/scripts/dev/gateway-smoke.ts
+++ b/scripts/dev/gateway-smoke.ts
@@ -1,4 +1,3 @@
-// Gateway Smoke script supports OpenClaw repository automation.
 import { fileURLToPath } from "node:url";
 import { isRecord } from "@openclaw/normalization-core/record-coerce";
 import {
@@ -52,26 +51,19 @@ function validateArgs(argv: readonly string[]): void {
   const seen = new Set<string>();
   for (let index = 0; index < argv.length; index += 1) {
     const arg = argv[index] ?? "";
-    if (BOOLEAN_FLAGS.has(arg)) {
-      if (seen.has(arg)) {
-        throw new GatewaySmokeArgError(`${arg} was provided more than once`);
-      }
-      seen.add(arg);
-      continue;
-    }
     if (VALUE_FLAGS.has(arg)) {
       const value = argv[index + 1];
       if (!value || value.startsWith("-")) {
         throw new GatewaySmokeArgError(`${arg} requires a value`);
       }
-      if (seen.has(arg)) {
-        throw new GatewaySmokeArgError(`${arg} was provided more than once`);
-      }
-      seen.add(arg);
       index += 1;
-      continue;
+    } else if (!BOOLEAN_FLAGS.has(arg)) {
+      throw new GatewaySmokeArgError(`Unknown argument: ${arg}`);
     }
-    throw new GatewaySmokeArgError(`Unknown argument: ${arg}`);
+    if (seen.has(arg)) {
+      throw new GatewaySmokeArgError(`${arg} was provided more than once`);
+    }
+    seen.add(arg);
   }
 }