diff --git a/src/components/PoDetail/PoDetail.tsx b/src/components/PoDetail/PoDetail.tsx
index 52028cd..4fba6f3 100644
--- a/src/components/PoDetail/PoDetail.tsx
+++ b/src/components/PoDetail/PoDetail.tsx
@@ -26,6 +26,8 @@ import {
   TabsProps,
   TextField,
   Typography,
+  Checkbox,
+  FormControlLabel,
 } from "@mui/material";
 import { useTranslation } from "react-i18next";
 // import InputDataGrid, { TableRow } from "../InputDataGrid/InputDataGrid";
@@ -69,7 +71,7 @@ import { decimalFormatter, integerFormatter } from "@/app/utils/formatUtil";
 
 import { fetchPoListClient } from "@/app/api/po/actions";
 import { List, ListItem, ListItemButton, ListItemText, Divider } from "@mui/material";
-import { useRouter } from "next/navigation";
+//import { useRouter } from "next/navigation";
 
 
 
@@ -105,7 +107,7 @@ const PoSearchList: React.FC<{
   }, [poList, searchTerm, t]);
 
   return (
-    <Paper sx={{ p: 2, maxHeight: "400px", overflow: "auto" }}>
+    <Paper sx={{ p: 2, maxHeight: "400px", overflow: "auto", minWidth: "300px" }}>
       <Typography variant="h6" gutterBottom>
         {t("Purchase Orders")}
       </Typography>
@@ -125,14 +127,15 @@ const PoSearchList: React.FC<{
           ),
         }}
       />
-      <List dense>
+      <List dense sx={{ width: '100%' }}>
         {filteredPoList.map((poItem, index) => (
           <div key={poItem.id}>
-            <ListItem disablePadding>
+            <ListItem disablePadding sx={{ width: '100%' }}>
               <ListItemButton
                 selected={selectedPoId === poItem.id}
                 onClick={() => onSelect(poItem)}
                 sx={{
+                  width: '100%',
                   "&.Mui-selected": {
                     backgroundColor: "primary.light",
                     "&:hover": {
@@ -143,7 +146,7 @@ const PoSearchList: React.FC<{
               >
                 <ListItemText
                   primary={
-                    <Typography variant="body2" noWrap>
+                    <Typography variant="body2" sx={{ wordBreak: 'break-all' }}>
                       {poItem.code}
                     </Typography>
                   }
@@ -191,42 +194,41 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
 
 
 
-  const router = useRouter();
+  //const router = useRouter();
   const [poList, setPoList] = useState<PoResult[]>([]);
   const [selectedPoId, setSelectedPoId] = useState(po.id);
   const currentPoId = searchParams.get('id');
-  const [searchTerm, setSearchTerm] = useState('');
+  const selectedIdsParam = searchParams.get('selectedIds');
 
-  
-  const filteredPoList = useMemo(() => {
-    if (searchTerm.trim() === '') {
-      return poList;
-    }
-    return poList.filter(poItem => 
-      poItem.code.toLowerCase().includes(searchTerm.toLowerCase()) ||
-      poItem.supplier?.toLowerCase().includes(searchTerm.toLowerCase()) ||
-      t(`${poItem.status.toLowerCase()}`).toLowerCase().includes(searchTerm.toLowerCase())
-    );
-  }, [poList, searchTerm, t]);
 
-  
   const fetchPoList = useCallback(async () => {
     try {
-      const result = await fetchPoListClient({ limit: 20, offset: 0 });
-      if (result && result.records) {
-        setPoList(result.records);
+      if (selectedIdsParam) {
+
+        const selectedIds = selectedIdsParam.split(',').map(id => parseInt(id));
+        const promises = selectedIds.map(id => fetchPoInClient(id));
+        const results = await Promise.all(promises);
+        setPoList(results.filter(Boolean));
+      } else {
+
+        const result = await fetchPoListClient({ limit: 20, offset: 0 });
+        if (result && result.records) {
+          setPoList(result.records);
+        }
       }
     } catch (error) {
       console.error("Failed to fetch PO list:", error);
     }
-  }, []);
+  }, [selectedIdsParam]);
 
   const handlePoSelect = useCallback(
     (selectedPo: PoResult) => {
       setSelectedPoId(selectedPo.id);
-      router.push(`/po/edit?id=${selectedPo.id}&start=true`, { scroll: false });
+
+      const newSelectedIds = selectedIdsParam || selectedPo.id.toString();
+      router.push(`/po/edit?id=${selectedPo.id}&start=true&selectedIds=${newSelectedIds}`, { scroll: false });
     },
-    [router]
+    [router, selectedIdsParam]
   );
 
    const fetchPoDetail = useCallback(async (poId: string) => {
@@ -511,9 +513,9 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
         </Grid>
 
         {/* area2: dn info */}
-        <Grid container spacing={2}>
+        <Grid container spacing={3} sx={{ maxWidth: 'fit-content' }}>
           {/* left side select po */}
-          <Grid item xs={3}>
+          <Grid item xs={4}>
             <PoSearchList
               poList={poList}
               selectedPoId={selectedPoId}
@@ -522,7 +524,7 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
           </Grid>
 
           {/* right side po info */}
-          <Grid item xs={9}>
+          <Grid item xs={8}>
             <PoInfoCard po={purchaseOrder} />
             {true ? (
               <Stack spacing={2}>
diff --git a/src/components/PoSearch/PoSearch.tsx b/src/components/PoSearch/PoSearch.tsx
index 6876a74..c930f63 100644
--- a/src/components/PoSearch/PoSearch.tsx
+++ b/src/components/PoSearch/PoSearch.tsx
@@ -17,6 +17,7 @@ import { fetchPoListClient, testing } from "@/app/api/po/actions";
 import dayjs from "dayjs";
 import { arrayToDateString, OUTPUT_DATE_FORMAT } from "@/app/utils/formatUtil";
 import arraySupport from "dayjs/plugin/arraySupport";
+import { Checkbox, Box } from "@mui/material";
 dayjs.extend(arraySupport);
 
 type Props = {
@@ -34,6 +35,8 @@ const PoSearch: React.FC<Props> = ({
   warehouse,
   totalCount: initTotalCount,
 }) => {
+  const [selectedPoIds, setSelectedPoIds] = useState<number[]>([]);
+  const [selectAll, setSelectAll] = useState(false);
   const [filteredPo, setFilteredPo] = useState<PoResult[]>(po);
   const [filterArgs, setFilterArgs] = useState<Record<string, any>>({});
   const { t } = useTranslation("purchaseOrder");
@@ -44,7 +47,8 @@ const PoSearch: React.FC<Props> = ({
   const [totalCount, setTotalCount] = useState(initTotalCount);
   const searchCriteria: Criterion<SearchParamNames>[] = useMemo(() => {
     const searchCriteria: Criterion<SearchParamNames>[] = [
-      { label: t("Po No."), paramName: "code", type: "text" },
+     { label: t("Po No."), paramName: "code", type: "text" },
+      { label: t("Supplier"), paramName: "supplier", type: "text" },
       { label: t("Order Date"), label2: t("Order Date To"), paramName: "orderDate", type: "dateRange" },
       {
         label: t("Escalated"),
@@ -69,15 +73,57 @@ const PoSearch: React.FC<Props> = ({
 
   const onDetailClick = useCallback(
     (po: PoResult) => {
-      router.push(`/po/edit?id=${po.id}&start=true`);
+      setSelectedPoIds([]);
+      setSelectAll(false);
+      router.push(`/po/edit?id=${po.id}&start=true&selectedIds=${po.id}`);
     },
     [router],
   );
 
   const onDeleteClick = useCallback((po: PoResult) => {}, []);
+  // handle single checkbox selection
+  const handleSelectPo = useCallback((poId: number, checked: boolean) => {
+    if (checked) {
+      setSelectedPoIds(prev => [...prev, poId]);
+    } else {
+      setSelectedPoIds(prev => prev.filter(id => id !== poId));
+    }
+  }, []);
+
+  // 处理全选
+  const handleSelectAll = useCallback((checked: boolean) => {
+    if (checked) {
+      setSelectedPoIds(filteredPo.map(po => po.id));
+      setSelectAll(true);
+    } else {
+      setSelectedPoIds([]);
+      setSelectAll(false);
+    }
+  }, [filteredPo]);
+
+  // navigate to PoDetail page
+  const handleGoToPoDetail = useCallback(() => {
+    if (selectedPoIds.length > 0) {
+      const selectedIdsParam = selectedPoIds.join(',');
+      const firstPoId = selectedPoIds[0];
+      router.push(`/po/edit?id=${firstPoId}&start=true&selectedIds=${selectedIdsParam}`);
+    }
+  }, [selectedPoIds, router]);
 
   const columns = useMemo<Column<PoResult>[]>(
     () => [
+      {
+        name: "id" as keyof PoResult,
+        label: "Select", 
+        renderCell: (params) => (
+          <Checkbox
+            checked={selectedPoIds.includes(params.id)}
+            onChange={(e) => handleSelectPo(params.id, e.target.checked)}
+            onClick={(e) => e.stopPropagation()}
+          />
+        ),
+        width: 60,
+      },
       {
         name: "id",
         label: t("Details"),
@@ -132,7 +178,7 @@ const PoSearch: React.FC<Props> = ({
         },
       },
     ],
-    [filteredPo],
+    [selectedPoIds, handleSelectPo, onDetailClick, t], // only keep necessary dependencies
   );
 
   const onReset = useCallback(() => {
@@ -177,6 +223,14 @@ const PoSearch: React.FC<Props> = ({
   useEffect(() => {
     newPageFetch(pagingController, filterArgs);
   }, [newPageFetch, pagingController, filterArgs]);
+  // when filteredPo changes, update select all state
+  useEffect(() => {
+    if (filteredPo.length > 0 && selectedPoIds.length === filteredPo.length) {
+      setSelectAll(true);
+    } else {
+      setSelectAll(false);
+    }
+  }, [filteredPo, selectedPoIds]);
   return (
     <>
       <Grid container>
@@ -201,6 +255,7 @@ const PoSearch: React.FC<Props> = ({
             console.log(query);
             setFilterArgs({
               code: query.code,
+              supplier: query.supplier,
               status: query.status === "All" ? "" : query.status,
               escalated:
                 query.escalated === "All"
@@ -211,15 +266,8 @@ const PoSearch: React.FC<Props> = ({
               orderDate: query.orderDate === "Invalid Date" ? "" : query.orderDate,
               orderDateTo: query.orderDateTo === "Invalid Date" ? "" : query.orderDateTo,
             });
-            // setFilteredPo((prev) =>
-            //   po.filter((p) => {
-            //     return (
-            //       p.code.toLowerCase().includes(query.code.toLowerCase()) &&
-            //       (query.status === "All" || t(`${p.status.toLowerCase()}`) === query.status) &&
-            //       (query.escalated === "All" || (p.escalated === Boolean((query.escalated) === t("Escalated"))))
-            //     )
-            //   })
-            // );
+            setSelectedPoIds([]); // reset selected po ids
+            setSelectAll(false); // reset select all
           }}
           onReset={onReset}
         />
@@ -231,6 +279,24 @@ const PoSearch: React.FC<Props> = ({
           totalCount={totalCount}
           isAutoPaging={false}
         />
+        {/* add select all and view selected button */}
+        <Box sx={{ mb: 2, display: 'flex', alignItems: 'center', gap: 2 }}>
+          <Button
+            variant="outlined"
+            onClick={() => handleSelectAll(!selectAll)}
+            startIcon={<Checkbox checked={selectAll} />}
+          >
+            {t("Select All")} ({selectedPoIds.length} / {filteredPo.length})
+          </Button>
+          <Button 
+            variant="contained" 
+            onClick={handleGoToPoDetail}
+            disabled={selectedPoIds.length === 0}
+            color="primary"
+          >
+            {t("View Selected")} ({selectedPoIds.length})
+          </Button>
+        </Box>
       </>
     </>
   );
diff --git a/src/components/SearchBox/SearchBox.tsx b/src/components/SearchBox/SearchBox.tsx
index 59c5d5d..df1f533 100644
--- a/src/components/SearchBox/SearchBox.tsx
+++ b/src/components/SearchBox/SearchBox.tsx
@@ -433,7 +433,7 @@ function SearchBox<T extends string>({
             );
           })}
         </Grid>
-        <CardActions sx={{ justifyContent: "flex-end" }}>
+        <CardActions sx={{ justifyContent: "flex-start" }}>
           <Button
             variant="text"
             startIcon={<RestartAlt />}
diff --git a/src/i18n/zh/purchaseOrder.json b/src/i18n/zh/purchaseOrder.json
index 3642893..7cf3e36 100644
--- a/src/i18n/zh/purchaseOrder.json
+++ b/src/i18n/zh/purchaseOrder.json
@@ -1,6 +1,6 @@
 {
     "Purchase Order": "採購訂單",
-    "Purchase Receipt": "採購來貨",
+    "Purchase Receipt": "處理採購來貨",
     "Code": "編號",
     "OrderDate": "下單日期",
     "Order Date": "下單日期",