diff --git a/scripts/check-changed.mjs b/scripts/check-changed.mjs
index 305ef9fabecd..dab52415e465 100644
--- a/scripts/check-changed.mjs
+++ b/scripts/check-changed.mjs
@@ -222,8 +222,8 @@ export function buildChangedCheckCrabboxArgs(argv = [], options = {}) {
   return [
     "scripts/crabbox-wrapper.mjs",
     "run",
-    "--provider",
-    "blacksmith-testbox",
+    "--workload",
+    "ci-fast",
     "--blacksmith-org",
     "openclaw",
     "--blacksmith-workflow",
@@ -392,7 +392,7 @@ export function delegationFailedBeforeRunning(output) {
 }
 
 async function runChangedCheckViaCrabbox(argv = [], env = process.env) {
-  console.error("[check:changed] delegating to Blacksmith Testbox via the Node wrapper.");
+  console.error("[check:changed] delegating through Crabbox workload routing.");
   let tail = "";
   const exitCode = await runManagedCommand({
     bin: "node",
diff --git a/test/scripts/changed-lanes.test.ts b/test/scripts/changed-lanes.test.ts
index e52d11f9b5e1..2f6eb92ec056 100644
--- a/test/scripts/changed-lanes.test.ts
+++ b/test/scripts/changed-lanes.test.ts
@@ -300,7 +300,7 @@ describe("scripts/changed-lanes", () => {
     });
 
     expect(result.status).toBe(0);
-    expect(result.stderr).toContain("delegating to Blacksmith Testbox");
+    expect(result.stderr).toContain("delegating through Crabbox workload routing");
     expect(result.stderr).not.toContain("ambiguous argument");
   });
 
@@ -334,7 +334,7 @@ describe("scripts/changed-lanes", () => {
     );
 
     expect(result.status).toBe(0);
-    expect(result.stderr).toContain("delegating to Blacksmith Testbox");
+    expect(result.stderr).toContain("delegating through Crabbox workload routing");
   });
 
   it.each([
@@ -1140,8 +1140,8 @@ describe("scripts/changed-lanes", () => {
     expect(buildChangedCheckCrabboxArgs(["--base", "origin/main", "--head", "HEAD"])).toEqual([
       "scripts/crabbox-wrapper.mjs",
       "run",
-      "--provider",
-      "blacksmith-testbox",
+      "--workload",
+      "ci-fast",
       "--blacksmith-org",
       "openclaw",
       "--blacksmith-workflow",