diff --git a/src/app/(main)/testing/page.tsx b/src/app/(main)/testing/page.tsx
index 14f4855..9ef0e81 100644
--- a/src/app/(main)/testing/page.tsx
+++ b/src/app/(main)/testing/page.tsx
@@ -222,7 +222,7 @@ export default function TestingPage() {
       const lim = parseInt(laserAutoLimit.trim(), 10);
       const report = await runLaserBag2AutoSend({
         planStart: laserAutoPlanDate,
-        limitPerRun: Number.isFinite(lim) ? lim : 0,
+        limitPerRun: Number.isFinite(lim) ? lim : 1,
       });
       setLaserAutoReport(report);
       try {
@@ -531,11 +531,11 @@ export default function TestingPage() {
             />
             <TextField
               size="small"
-              label="limitPerRun（0=全部符合）"
+              label="limitPerRun（目前固定只送第一筆）"
               value={laserAutoLimit}
               onChange={(e) => setLaserAutoLimit(e.target.value)}
               sx={{ width: 200 }}
-              helperText="手動測試建議 1；排程預設每分鐘最多 1 筆"
+              helperText="目前後端會限制為第一筆；此欄位保留給未來調整"
             />
             <Button
               variant="contained"
diff --git a/src/app/api/laserPrint/actions.ts b/src/app/api/laserPrint/actions.ts
index 952892c..183b0c5 100644
--- a/src/app/api/laserPrint/actions.ts
+++ b/src/app/api/laserPrint/actions.ts
@@ -167,7 +167,7 @@ export interface LaserBag2AutoSendReport {
 
 /**
  * Same workflow as /laserPrint row click: list job orders (LASER_PRINT.itemCodes) for planStart,
- * then TCP send(s) using DB LASER_PRINT.host / port. limitPerRun 0 = all matches.
+ * then TCP send using DB LASER_PRINT.host / port (server currently sends first matching job only).
  */
 export async function runLaserBag2AutoSend(params?: {
   planStart?: string;