From 53cf2eed2a6f5160faafbbcf87174f3616c059a0 Mon Sep 17 00:00:00 2001
From: "Tommy\\2Fi-Staff" <tommy.lu@2fi-solutions.com.hk>
Date: Tue, 21 Apr 2026 16:32:55 +0800
Subject: [PATCH] =?UTF-8?q?only=20show=20label=E6=A9=9Foption?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/components/PoDetail/PoDetail.tsx | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/components/PoDetail/PoDetail.tsx b/src/components/PoDetail/PoDetail.tsx
index 24a46e5..dc092e6 100644
--- a/src/components/PoDetail/PoDetail.tsx
+++ b/src/components/PoDetail/PoDetail.tsx
@@ -329,9 +329,22 @@ const PoDetail: React.FC<Props> = ({ po, warehouse, printerCombo }) => {
     }
   })
 
+  const labelPrinters = useMemo(() => {
+    return (printerCombo ?? []).filter((p) => {
+      const text = `${p.label ?? ""} ${p.name ?? ""} ${p.code ?? ""}`.toLowerCase();
+      return text.includes("label");
+    });
+  }, [printerCombo]);
+
   const [selectedPrinter, setSelectedPrinter] = useState<PrinterCombo | undefined>(
-    printerCombo?.[0],
+    labelPrinters?.[0],
   );
+  useEffect(() => {
+    // If options change, keep selection valid and prefer first Label printer.
+    if (!selectedPrinter || !labelPrinters.some((p) => p.id === selectedPrinter.id)) {
+      setSelectedPrinter(labelPrinters[0]);
+    }
+  }, [labelPrinters, selectedPrinter]);
   const [printQty, setPrintQty] = useState(1);
   const [printDialogOpen, setPrintDialogOpen] = useState(false);
   const [isBulkPrinting, setIsBulkPrinting] = useState(false);
@@ -1052,7 +1065,7 @@ const PoDetail: React.FC<Props> = ({ po, warehouse, printerCombo }) => {
                         <Typography variant="h6">列印</Typography>
                         <Autocomplete
                           disableClearable
-                          options={printerCombo}
+                          options={labelPrinters}
                           value={selectedPrinter}
                           onChange={(_event, value) => setSelectedPrinter(value)}
                           renderInput={(params) => (