diff --git a/scripts/src/hwlab-node-web-observe-runner-source.ts b/scripts/src/hwlab-node-web-observe-runner-source.ts
index ef30cc2d..7b00d626 100644
--- a/scripts/src/hwlab-node-web-observe-runner-source.ts
+++ b/scripts/src/hwlab-node-web-observe-runner-source.ts
@@ -334,7 +334,10 @@ async function workbenchSessionSnapshot() {
 async function sendPrompt(text) {
   if (text.trim().length === 0) throw new Error("sendPrompt requires non-empty text");
   const beforeUrl = currentPageUrl();
-  const editor = page.locator('textarea, [role="textbox"], [contenteditable="true"], input[type="text"]').last();
+  const primaryEditor = page.locator("#command-input").last();
+  const editor = await primaryEditor.isVisible().catch(() => false)
+    ? primaryEditor
+    : page.locator('textarea, [role="textbox"], [contenteditable="true"], input[type="text"]').last();
   await editor.waitFor({ state: "visible", timeout: 15000 });
   const tag = await editor.evaluate((element) => element.tagName.toLowerCase()).catch(() => "");
   const editable = await editor.evaluate((element) => element.getAttribute("contenteditable") === "true").catch(() => false);
@@ -346,7 +349,10 @@ async function sendPrompt(text) {
     await editor.click();
     await page.keyboard.insertText(text);
   }
-  const submit = page.locator([
+  const primarySubmit = page.locator('#command-submit, [data-testid="command-submit"], [data-testid="composer-submit"], [data-testid="send-command"]').last();
+  const submit = await primarySubmit.isVisible().catch(() => false)
+    ? primarySubmit
+    : page.locator([
     'button[type="submit"]',
     'button:has-text("发送")',
     'button:has-text("Send")',