diff --git a/src/app/api/dashboard/actions.ts b/src/app/api/dashboard/actions.ts
index f3c4e6a..df54e1c 100644
--- a/src/app/api/dashboard/actions.ts
+++ b/src/app/api/dashboard/actions.ts
@@ -30,6 +30,9 @@ export interface StockInLineEntry {
   acceptedQty: number;
   status?: string;
   expiryDate?: string;
+  productLotNo?: string;
+  receiptDate?: string;
+  dnDate?: string;
 }
 
 export interface PurchaseQcResult {
@@ -87,6 +90,7 @@ export const fetchStockInLineInfo = cache(async (stockInLineId: number) => {
 });
 
 export const createStockInLine = async (data: StockInLineEntry) => {
+  console.log(data)
   const stockInLine = await serverFetchJson<
     PostStockInLiineResponse<StockInLineEntry>
   >(`${BASE_API_URL}/stockInLine/create`, {
diff --git a/src/app/api/po/index.ts b/src/app/api/po/index.ts
index 07e010b..1a0f944 100644
--- a/src/app/api/po/index.ts
+++ b/src/app/api/po/index.ts
@@ -60,6 +60,8 @@ export interface StockInLine {
   poCode: string;
   uom: Uom;
   defaultWarehouseId: number; // id for now
+  dnNo: string;
+  dnDate: number[];
 }
 
 export const fetchPoList = cache(async (queryParams?: Record<string, any>) => {
diff --git a/src/app/api/settings/item/actions.ts b/src/app/api/settings/item/actions.ts
index 8012d3f..35ce6d1 100644
--- a/src/app/api/settings/item/actions.ts
+++ b/src/app/api/settings/item/actions.ts
@@ -56,6 +56,7 @@ export interface ItemCombo {
   label: string,
   uomId: number,
   uom: string,
+  group?: string,
 }
 
 export const fetchAllItemsInClient = cache(async () => {
diff --git a/src/app/utils/formatUtil.ts b/src/app/utils/formatUtil.ts
index 31142c9..21e61f0 100644
--- a/src/app/utils/formatUtil.ts
+++ b/src/app/utils/formatUtil.ts
@@ -76,6 +76,10 @@ export const dayjsToInputDateTimeString = (date: Dayjs) => {
   return date.format(`${INPUT_DATE_FORMAT}T${OUTPUT_TIME_FORMAT}`);
 };
 
+export const outputDateStringToInputDateString = (date: string) => {
+  return dayjsToInputDateString(dateStringToDayjs(date))
+}
+
 export const stockInLineStatusMap: { [status: string]: number } = {
   draft: 0,
   pending: 1,
diff --git a/src/components/PoDetail/EscalationComponent.tsx b/src/components/PoDetail/EscalationComponent.tsx
index 53761a8..12e0b81 100644
--- a/src/components/PoDetail/EscalationComponent.tsx
+++ b/src/components/PoDetail/EscalationComponent.tsx
@@ -61,7 +61,7 @@ const EscalationComponent: React.FC<Props> = ({
     ];
 
     const handleInputChange = (
-        event: ChangeEvent<HTMLInputElement | HTMLTextAreaElement> | SelectChangeEvent<string>
+        event: ChangeEvent<HTMLInputElement | HTMLTextAreaElement | HTMLSelectElement> | SelectChangeEvent<string>
     ): void => {
         const { name, value } = event.target;
         setFormData((prev) => ({
diff --git a/src/components/PoDetail/PoDetail.tsx b/src/components/PoDetail/PoDetail.tsx
index 1e67f5b..0380b91 100644
--- a/src/components/PoDetail/PoDetail.tsx
+++ b/src/components/PoDetail/PoDetail.tsx
@@ -28,6 +28,9 @@ import {
   Typography,
   Checkbox,
   FormControlLabel,
+  Card,
+  CardContent,
+  Radio,
 } from "@mui/material";
 import { useTranslation } from "react-i18next";
 // import InputDataGrid, { TableRow } from "../InputDataGrid/InputDataGrid";
@@ -57,7 +60,7 @@ import PoInputGrid from "./PoInputGrid";
 import { QcItemWithChecks } from "@/app/api/qc";
 import { useRouter, useSearchParams, usePathname } from "next/navigation";
 import { WarehouseResult } from "@/app/api/warehouse";
-import { calculateWeight, returnWeightUnit } from "@/app/utils/formatUtil";
+import { calculateWeight, dateStringToDayjs, dayjsToDateString, OUTPUT_DATE_FORMAT, outputDateStringToInputDateString, returnWeightUnit } from "@/app/utils/formatUtil";
 import { CameraContext } from "../Cameras/CameraProvider";
 import PoQcStockInModal from "./PoQcStockInModal";
 import QrModal from "./QrModal";
@@ -69,6 +72,11 @@ import { decimalFormatter, integerFormatter } from "@/app/utils/formatUtil";
 import { fetchPoListClient } from "@/app/api/po/actions";
 import { List, ListItem, ListItemButton, ListItemText, Divider } from "@mui/material";
 import { createStockInLine } from "@/app/api/dashboard/actions";
+import { Controller, FormProvider, useForm } from "react-hook-form";
+import dayjs, { Dayjs } from "dayjs";
+import { AdapterDayjs } from "@mui/x-date-pickers/AdapterDayjs";
+import { DatePicker, LocalizationProvider, zhHK } from "@mui/x-date-pickers";
+import { debounce } from "lodash";
 //import { useRouter } from "next/navigation";
 
 
@@ -169,6 +177,11 @@ const PoSearchList: React.FC<{
   );
 };
 
+interface PolInputResult {
+  lotNo: string,
+  dnQty: number,
+}
+
 const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
   const cameras = useContext(CameraContext);
   console.log(cameras);
@@ -178,10 +191,20 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
   const [rows, setRows] = useState<PurchaseOrderLine[]>(
     purchaseOrder.pol || [],
   );
+  const [polInputList, setPolInputList] = useState<PolInputResult[]>([])
+  useEffect(() => {
+    setPolInputList(
+      (purchaseOrder.pol ?? []).map(() => ({
+        lotNo: "",
+        dnQty: 0,
+      } as PolInputResult))
+    );
+  }, [purchaseOrder.pol]);
+
   const pathname = usePathname()
   const searchParams = useSearchParams();
   
-  const [row, setRow] = useState(rows[0]);
+  const [selectedRow, setSelectedRow] = useState<PurchaseOrderLine | null>(null);
 
   const [stockInLine, setStockInLine] = useState<StockInLine[]>([]);
   const [processedQty, setProcessedQty] = useState(0);
@@ -191,8 +214,13 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
   const [selectedPoId, setSelectedPoId] = useState(po.id);
   const currentPoId = searchParams.get('id');
   const selectedIdsParam = searchParams.get('selectedIds');
-  const [selectedRowId, setSelectedRowId] = useState<number | null>(null);
-
+  // const [selectedRowId, setSelectedRowId] = useState<number | null>(null);
+  const dnFormProps = useForm({
+    defaultValues: {
+      dnNo: '',
+      dnDate: dayjsToDateString(dayjs())
+    }
+  })
   const fetchPoList = useCallback(async () => {
     try {
       if (selectedIdsParam) {
@@ -217,11 +245,12 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
    const fetchPoDetail = useCallback(async (poId: string) => {
     try {
       const result = await fetchPoInClient(parseInt(poId));
+      console.log(result)
       if (result) {
         setPurchaseOrder(result);
         setRows(result.pol || []);
         if (result.pol && result.pol.length > 0) {
-          setRow(result.pol[0]);
+          setSelectedRow(result.pol[0]);
           setStockInLine(result.pol[0].stockInLine);
           setProcessedQty(result.pol[0].processed);
         }
@@ -233,10 +262,15 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
   
   const handlePoSelect = useCallback(
     async (selectedPo: PoResult) => {
+      if (selectedPo.id === selectedPoId) return;
       setSelectedPoId(selectedPo.id);
       await fetchPoDetail(selectedPo.id.toString());
       const newSelectedIds = selectedIdsParam || selectedPo.id.toString();
-      router.push(`/po/edit?id=${selectedPo.id}&start=true&selectedIds=${newSelectedIds}`, { scroll: false });
+      // router.push(`/po/edit?id=${selectedPo.id}&start=true&selectedIds=${newSelectedIds}`, { scroll: false });
+      const newUrl = `/po/edit?id=${selectedPo.id}&start=true&selectedIds=${newSelectedIds}`;
+      if (pathname + searchParams.toString() !== newUrl) {
+        router.replace(newUrl, { scroll: false });
+      }
     },
     [router, selectedIdsParam, fetchPoDetail]
   );
@@ -246,7 +280,7 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
       setSelectedPoId(parseInt(currentPoId));
       fetchPoDetail(currentPoId);
     }
-  }, [currentPoId, selectedPoId, fetchPoDetail]);
+  }, [currentPoId, fetchPoDetail]);
 
   useEffect(() => {
     fetchPoList();
@@ -257,13 +291,6 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
       setSelectedPoId(parseInt(currentPoId));
     }
   }, [currentPoId]);
-  
-
-
-
-
-
-
 
   const removeParam = (paramToRemove: string) => {
     const newParams = new URLSearchParams(searchParams.toString());
@@ -296,7 +323,7 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
   function Row(props: { row: PurchaseOrderLine }) {
     const { row } = props;
     // const [firstReceiveQty, setFirstReceiveQty] = useState<number>()
-    const [secondReceiveQty, setSecondReceiveQty] = useState<number>()
+    // const [secondReceiveQty, setSecondReceiveQty] = useState<number>()
     // const [open, setOpen] = useState(false);
     const [processedQty, setProcessedQty] = useState(row.processed);
     const [currStatus, setCurrStatus] = useState(row.status);
@@ -309,6 +336,9 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
       () => returnWeightUnit(row.uom),
       [row.uom],
     );
+    const rowIndex = useMemo(() => {
+      return rows.findIndex((r) => r.id === row.id)
+    }, [])
 
     useEffect(() => {
       const polId = searchParams.get("polId") != null ? parseInt(searchParams.get("polId")!) : null
@@ -328,21 +358,18 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
     }, [processedQty, row.qty]);
 
     const handleRowSelect = () => {
-      setSelectedRowId(row.id);
-      setRow(row);
+      // setSelectedRowId(row.id);
+      setSelectedRow(row);
       setStockInLine(row.stockInLine);
       setProcessedQty(row.processed);
     };
     const changeStockInLines = useCallback(
         (id: number) => {
-          console.log(id)
           //rows = purchaseOrderLine
-          console.log(rows)
           const target = rows.find((r) => r.id === id)
           const stockInLine = target!.stockInLine
-          console.log(stockInLine)
           setStockInLine(stockInLine)
-          setRow(target!)
+          setSelectedRow(target!)
           // console.log(pathname)
           // router.replace(`/po/edit?id=${item.poId}&polId=${item.polId}&stockInLineId=${item.stockInLineId}`);
         },
@@ -355,42 +382,64 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
           // post stock in line
           const oldId = row.id;
           const postData = {
+            dnNo: dnFormProps.watch("dnNo"),
+            dnDate: outputDateStringToInputDateString(dnFormProps.watch("dnDate")),
             itemId: row.itemId,
             itemNo: row.itemNo,
             itemName: row.itemName,
             purchaseOrderId: row.purchaseOrderId,
             purchaseOrderLineId: row.id,
-            acceptedQty: secondReceiveQty || 0,
+            acceptedQty: polInputList[rowIndex].dnQty || 0,
+            productLotNo: polInputList[rowIndex].lotNo || '',
+            // acceptedQty: secondReceiveQty || 0,
             // acceptedQty: row.acceptedQty,
           };
-          if (secondReceiveQty === 0) return
+          // if (secondReceiveQty === 0) return
           const res = await createStockInLine(postData);
+          if (res) {
+            fetchPoDetail(selectedPoId.toString());
+          }
           console.log(res);
         }, 200);
       },
-      [],
+      [polInputList, row, dnFormProps],
     );
 
-    const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
-  const raw = e.target.value;
-
-  // Allow empty input
-  if (raw.trim() === '') {
-    setSecondReceiveQty(undefined);
-    return;
-  }
-
-  // Keep digits only
-  const cleaned = raw.replace(/[^\d]/g, '');
-  if (cleaned === '') {
-    // If the user typed only non-digits, keep previous value
-    return;
-  }
-
-  // Parse and clamp to non-negative integer
-  const next = Math.max(0, Math.floor(Number(cleaned)));
-  setSecondReceiveQty(next);
-};
+    const handleChange = useCallback(debounce((e: React.ChangeEvent<HTMLInputElement>) => {
+      const raw = e.target.value;
+      const id = e.target.id
+      const temp = [...polInputList]
+      switch (id) {
+        case "lotNo":
+          if (raw.trim() === '') {
+            temp[rowIndex].lotNo = '';
+            break;
+          }
+          temp[rowIndex].lotNo = raw.trim();
+          break;
+        case "dnQty":
+           // Allow empty input
+          if (raw.trim() === '') {
+            temp[rowIndex].dnQty = 0;
+            break;
+          }
+
+          // Keep digits only
+          const cleaned = raw.replace(/[^\d]/g, '');
+          if (cleaned === '') {
+            // If the user typed only non-digits, keep previous value
+            break;
+          }
+
+          // Parse and clamp to non-negative integer
+          const next = Math.max(0, Math.floor(Number(cleaned)));
+          temp[rowIndex].dnQty = next;
+          break;
+        default:
+          break;
+      }
+      setPolInputList(() => temp)
+    }, 300), [rowIndex]);
     return (
       <>
         <TableRow 
@@ -410,10 +459,10 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
             </IconButton>
           </TableCell> */}
           <TableCell align="center" sx={{ width: '60px' }}>
-            <Checkbox
-              checked={selectedRowId === row.id}
-              onChange={handleRowSelect}
-              onClick={(e) => e.stopPropagation()}
+            <Radio
+              checked={selectedRow?.id === row.id}
+              // onChange={handleRowSelect}
+              // onClick={(e) => e.stopPropagation()}
             />
           </TableCell>
           <TableCell align="left">{row.itemNo}</TableCell>
@@ -425,16 +474,27 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
             {decimalFormatter.format(totalWeight)} {weightUnit}
           </TableCell> */}
           {/* <TableCell align="left">{weightUnit}</TableCell> */}
-          <TableCell align="right">{decimalFormatter.format(row.price)}</TableCell>
+          {/* <TableCell align="right">{decimalFormatter.format(row.price)}</TableCell> */}
           {/* <TableCell align="left">{row.expiryDate}</TableCell> */}
           <TableCell align="left">{t(`${currStatus.toLowerCase()}`)}</TableCell>
           <TableCell align="right">{integerFormatter.format(row.receivedQty)}</TableCell>
           <TableCell align="center">
             <TextField
+              id="lotNo"
+              label="輸入貨品批號"
+              type="text" // Use type="text" to allow validation in the change handler
+              variant="outlined"
+              defaultValue={polInputList[rowIndex]?.lotNo ?? ''}
+              onChange={handleChange}
+            />
+          </TableCell>
+          <TableCell align="center">
+            <TextField
+              id="dnQty"
               label="輸入來貨數量"
               type="text" // Use type="text" to allow validation in the change handler
               variant="outlined"
-              value={secondReceiveQty}
+              defaultValue={polInputList[rowIndex]?.dnQty ?? ''}
               onChange={handleChange}
               InputProps={{
                 inputProps: {
@@ -588,6 +648,15 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
     }
   }, [searchParams])
 
+  const handleDatePickerChange = useCallback((value: Dayjs | null, onChange: (...event: any[]) => void) => {
+    if (value != null) {
+        const updatedValue = dayjsToDateString(value)
+        onChange(updatedValue)
+    } else {
+        onChange(value)
+    }
+}, [])
+
   return (
     <>
       <Stack spacing={2}>
@@ -614,39 +683,75 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
 
           {/* right side po info */}
           <Grid item xs={8}>
-            <PoInfoCard po={purchaseOrder} />
-            {true ? (
-              <Stack spacing={2}>
-                <TextField
-                  label={t("dnNo")}
-                  type="text"
-                  variant="outlined"
-                  fullWidth
-                  // InputProps={{
-                  //   inputProps: {
-                  //     min: 0,
-                  //     step: 1
-                  //   }
-                  // }}
-                />
-                <TextField
-                  label={t("dnDate")}
-                  type="text"
-                  variant="outlined"
-                  defaultValue={"11/08/2025"}
-                  fullWidth
-                  InputProps={{
-                    inputProps: {
-                      min: 0,
-                      step: 1
-                    }
-                  }}
-                />
-                <Button variant="contained" onClick={onOpenScanner} fullWidth>
-                  提交
-                </Button>
-              </Stack>
-            ) : undefined}
+            <Grid container spacing={3} sx={{ maxWidth: 'fit-content' }}>
+              <Grid item xs={12}>
+                <PoInfoCard po={purchaseOrder} />
+              </Grid>
+              <Grid item xs={12}>
+                {true ? (
+                <FormProvider {...dnFormProps}>
+                  <Stack component={"form"} spacing={2}>
+                    <Card sx={{ display: "block" }}>
+                      <CardContent component={Stack} spacing={2}>
+                        <Grid container spacing={2} sx={{ maxWidth: 'fit-content' }}>
+                          <Grid item xs={12}>
+                            <TextField
+                              {...dnFormProps.register("dnNo")}
+                              label={t("dnNo")}
+                              type="text"
+                              variant="outlined"
+                              fullWidth
+                              // InputProps={{
+                              //   inputProps: {
+                              //     min: 0,
+                              //     step: 1
+                              //   }
+                              // }}
+                            />
+                          </Grid>
+                          <Grid item xs={12}>
+                          <LocalizationProvider
+                                    dateAdapter={AdapterDayjs}
+                                    // TODO: Should maybe use a custom adapterLocale here to support YYYY-MM-DD
+                                    adapterLocale="zh-hk"
+                                    localeText={zhHK.components.MuiLocalizationProvider.defaultProps.localeText}
+                                  >
+                              <Controller
+                                control={dnFormProps.control}
+                                name="dnDate"
+                                render={({ field }) => (
+                                  
+                                    <DatePicker
+                                      label={t("dnDate")}
+                                      format={`${OUTPUT_DATE_FORMAT}`}
+                                      defaultValue={dateStringToDayjs(field.value)}
+                                      onChange={(newValue: Dayjs | null) => {
+                                        handleDatePickerChange(newValue, field.onChange)
+                                      }}
+                                      slotProps={{ textField: { fullWidth: true }}}
+                                    />
+                                )}
+                                />
+                                  </LocalizationProvider>
+                          </Grid>
+                          {/* <TextField
+                            label={t("dnDate")}
+                            type="text"
+                            variant="outlined"
+                            defaultValue={"11/08/2025"}
+                            fullWidth
+                          /> */}
+                        </Grid>
+                    {/* <Button variant="contained" onClick={onOpenScanner} fullWidth>
+                      提交
+                    </Button> */}
+                      </CardContent>
+                    </Card>
+                  </Stack>
+                </FormProvider>
+              ) : undefined}
+              </Grid>
+            </Grid>
           </Grid>
         </Grid>
 
@@ -666,9 +771,10 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
                     <TableCell align="right">{t("processed")}</TableCell>
                     <TableCell align="left">{t("uom")}</TableCell>
                     {/* <TableCell align="right">{t("total weight")}</TableCell> */}
-                    <TableCell align="right">{`${t("price")} (HKD)`}</TableCell>
+                    {/* <TableCell align="right">{`${t("price")} (HKD)`}</TableCell> */}
                     <TableCell align="left" sx={{ width: '75px' }}>{t("status")}</TableCell>
                     {renderFieldCondition(FIRST_IN_FIELD) ? <TableCell align="right">{t("receivedQty")}</TableCell> : undefined}
+                    <TableCell align="center" sx={{ width: '150px' }}>{t("productLotNo")}</TableCell>
                     {renderFieldCondition(SECOND_IN_FIELD) ? <TableCell align="center" sx={{ width: '150px' }}>{t("dnQty")}(以訂單單位計算)</TableCell> : undefined}
                     <TableCell align="center" sx={{ width: '100px' }}></TableCell>
                   </TableRow>
@@ -687,11 +793,11 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
         <Grid container xs={12} justifyContent="start">
           <Grid item xs={12}>
             <Typography variant="h6">
-              已選擇: {selectedRowId ? row.itemNo : '無'} - {selectedRowId ? row.itemName : '無'}
+              {selectedRow ? `已選擇: ${selectedRow?.itemNo ? selectedRow.itemNo : 'N/A'} - ${selectedRow?.itemName ? selectedRow?.itemName : 'N/A'}}` : "未選擇貨品"}
             </Typography>
           </Grid>
           <Grid item xs={12}>
-            {selectedRowId && (
+            {selectedRow && (
               <TableContainer component={Paper} sx={{ width: 'fit-content', overflow: 'auto' }}>
                 <Table>
                   <TableBody>
@@ -704,7 +810,7 @@ const PoDetail: React.FC<Props> = ({ po, qc, warehouse }) => {
                             stockInLine={stockInLine}
                             setStockInLine={setStockInLine}
                             setProcessedQty={setProcessedQty}
-                            itemDetail={row}
+                            itemDetail={selectedRow}
                             warehouse={warehouse}
                           />
                         </Box>
diff --git a/src/components/PoDetail/PoInputGrid.tsx b/src/components/PoDetail/PoInputGrid.tsx
index a903269..cc4482b 100644
--- a/src/components/PoDetail/PoInputGrid.tsx
+++ b/src/components/PoDetail/PoInputGrid.tsx
@@ -39,6 +39,7 @@ import {
   returnWeightUnit,
   calculateWeight,
   stockInLineStatusMap,
+  arrayToDateString,
 } from "@/app/utils/formatUtil";
 // import PoQcStockInModal from "./PoQcStockInModal";
 import NotificationImportantIcon from "@mui/icons-material/NotificationImportant";
@@ -443,17 +444,19 @@ const closeNewModal = useCallback(() => {
         field: "dnNo",
         headerName: t("dnNo"),
         width: 125,
-        renderCell: () => {
-          return <>DN0000001</>
-        }
+        // renderCell: () => {
+        //   return <>DN0000001</>
+        // }
         // flex: 0.4,
       },
       {
         field: "dnDate",
         headerName: t("dnDate"),
         width: 125,
-        renderCell: () => {
-          return <>07/08/2025</>
+        renderCell: (params) => {
+          console.log(params.row)
+          // return <>07/08/2025</>
+          return arrayToDateString(params.value)
         }
         // flex: 0.4,
       },