diff --git a/src/app/api/customer/index.ts b/src/app/api/customer/index.ts
index a2c405a..cbdc0b2 100644
--- a/src/app/api/customer/index.ts
+++ b/src/app/api/customer/index.ts
@@ -1,4 +1,4 @@
-import { serverFetchJson } from "@/app/utils/fetchUtil";
+import { serverFetchJson, serverFetchString } from "@/app/utils/fetchUtil";
 import { BASE_API_URL } from "@/config/api";
 import { cache } from "react";
 import "server-only";
@@ -88,3 +88,9 @@ export const fetchCustomerTypes = cache(async () => {
     next: { tags: ["customerTypes"] },
   });
 });
+
+export const getMaxCustomerCode = cache(async () => {
+  return serverFetchString<string>(`${BASE_API_URL}/customer/getMaxCode`, {
+    next: { tags: ["customerMaxCode"] },
+  });
+});
diff --git a/src/app/api/reports/index.ts b/src/app/api/reports/index.ts
index d7079d6..c55a6c7 100644
--- a/src/app/api/reports/index.ts
+++ b/src/app/api/reports/index.ts
@@ -151,10 +151,12 @@ export interface ProjectMonthlyReportFilter {
 
 export interface LastModifiedReportFilter {
     date: string;
+    dayRange: number;
 }
 
 export interface LastModifiedReportRequest {
     dateString: string;
+    dayRange: number;
 }
 
 export interface ExportCurrentStaffInfoRequest {
diff --git a/src/components/CreateProject/BulkAddPaymentModal.tsx b/src/components/CreateProject/BulkAddPaymentModal.tsx
index 0d61bb6..166e432 100644
--- a/src/components/CreateProject/BulkAddPaymentModal.tsx
+++ b/src/components/CreateProject/BulkAddPaymentModal.tsx
@@ -45,6 +45,24 @@ export interface Props extends Omit<ModalProps, "children"> {
   modalSx?: SxProps;
 }
 
+type DatetypeOption = {
+  value: string;
+  label: string;
+  unit: 'week' | 'month' | 'year';
+  step: number;
+};
+
+const datetypeOptions: DatetypeOption[] = [
+  { value: "weekly",     label: "Weekly",           unit: "week",  step: 1 },
+  { value: "biweekly",   label: "Bi-Weekly",  unit: "week",  step: 2 },
+  { value: "monthly",    label: "Monthly",          unit: "month", step: 1 },
+  // { value: "bimonthly",  label: "Every two months from", unit: "month", step: 2 },
+  { value: "quarterly",  label: "Quarterly",    unit: "month", step: 3 },
+  { value: "half-year",  label: "Half Year",  unit: "month", step: 6 },
+  // { value: "yearly",     label: "Yearly from",           unit: "year",  step: 1 },
+  { value: "fixed",      label: "Fixed",                 unit: "month", step: 0 }, // unit/step not used for fixed
+];
+
 const modalSx: SxProps = {
   position: "absolute",
   top: "50%",
@@ -99,6 +117,9 @@ const BulkAddPaymentModal: React.FC<Props> = ({
       const amountForLastItem = truncateMoney(
         amountToDivide - dividedAmount * (numberOfEntries - 1),
       )!;
+
+      const datetypeOption = datetypeOptions.find(r => r.value === dateType);
+
       return Array(numberOfEntries)
         .fill(undefined)
         .map((_, index) => {
@@ -106,8 +127,8 @@ const BulkAddPaymentModal: React.FC<Props> = ({
             dateType === "fixed"
               ? dateReference
               : dateReference.add(
-                  index,
-                  dateType === "monthly" ? "month" : "week",
+                  index * (datetypeOption?.step ?? 0),
+                  datetypeOption?.unit ?? "month",
                 );
 
           return {
@@ -194,9 +215,14 @@ const BulkAddPaymentModal: React.FC<Props> = ({
                 {...field}
                 error={Boolean(formState.errors.dateType)}
               >
-                <MenuItem value="monthly">{t("Monthly from")}</MenuItem>
+                {datetypeOptions.map(option => (
+                  <MenuItem key={option.value} value={option.value}>
+                    {t(option.label)}
+                  </MenuItem>
+                ))}
+                {/* <MenuItem value="monthly">{t("Monthly from")}</MenuItem>
                 <MenuItem value="weekly">{t("Weekly from")}</MenuItem>
-                <MenuItem value="fixed">{t("Fixed")}</MenuItem>
+                <MenuItem value="fixed">{t("Fixed")}</MenuItem> */}
               </Select>
             )}
             rules={{
diff --git a/src/components/CustomerSave/CustomerSave.tsx b/src/components/CustomerSave/CustomerSave.tsx
index dc5d6b6..f17b427 100644
--- a/src/components/CustomerSave/CustomerSave.tsx
+++ b/src/components/CustomerSave/CustomerSave.tsx
@@ -28,6 +28,7 @@ import { differenceBy } from "lodash";
 export interface Props {
     subsidiaries: Subsidiary[],
     customerTypes: CustomerType[],
+    maxCustomerCode: string
 }
 
 const hasErrorsInTab = (
@@ -45,6 +46,7 @@ const hasErrorsInTab = (
 const CustomerSave: React.FC<Props> = ({
     subsidiaries,
     customerTypes,
+    maxCustomerCode
 }) => {
     const [serverError, setServerError] = useState("");
     const [tabIndex, setTabIndex] = useState(0);
@@ -58,7 +60,7 @@ const CustomerSave: React.FC<Props> = ({
         try {
             const defaultCustomer = {
                 id: null,
-                code: "",
+                code: maxCustomerCode ?? "",
                 name: "",
                 brNo: null,
                 address: null,
diff --git a/src/components/CustomerSave/CustomerSaveWrapper.tsx b/src/components/CustomerSave/CustomerSaveWrapper.tsx
index 078f50a..74959c4 100644
--- a/src/components/CustomerSave/CustomerSaveWrapper.tsx
+++ b/src/components/CustomerSave/CustomerSaveWrapper.tsx
@@ -2,7 +2,7 @@
 // import CreateProject from "./CreateProject";
 // import { fetchProjectCategories } from "@/app/api/projects";
 // import { fetchTeamLeads } from "@/app/api/staff";
-import { fetchCustomerTypes, fetchAllSubsidiaries } from "@/app/api/customer";
+import { fetchCustomerTypes, fetchAllSubsidiaries, getMaxCustomerCode } from "@/app/api/customer";
 import CustomerSave from "./CustomerSave";
 
 // type Props = {
@@ -14,14 +14,15 @@ import CustomerSave from "./CustomerSave";
 const CustomerSaveWrapper: React.FC = async () => {
   // const { params } = props
   // console.log(params)
-  const [subsidiaries, customerTypes] =
+  const [subsidiaries, customerTypes, maxCustomerCode] =
     await Promise.all([
       fetchAllSubsidiaries(),
       fetchCustomerTypes(),
+      getMaxCustomerCode()  
     ]);
 
   return (
-    <CustomerSave subsidiaries={subsidiaries} customerTypes={customerTypes} />
+    <CustomerSave subsidiaries={subsidiaries} customerTypes={customerTypes} maxCustomerCode={maxCustomerCode} />
   );
 };
 
diff --git a/src/components/CustomerSearch/CustomerSearch.tsx b/src/components/CustomerSearch/CustomerSearch.tsx
index 7b39ade..c69c9c4 100644
--- a/src/components/CustomerSearch/CustomerSearch.tsx
+++ b/src/components/CustomerSearch/CustomerSearch.tsx
@@ -65,8 +65,8 @@ const CustomerSearch: React.FC<Props> = ({ customers, abilities }) => {
                 buttonIcon: <EditNote />,
                 isHidden: !maintainClient
             },
-            { name: "code", label: t("Customer Code") },
-            { name: "name", label: t("Customer Name") },
+            { name: "code", label: t("Customer Code"), sortable: true },
+            { name: "name", label: t("Customer Name"), sortable: true },
             {
                 name: "id",
                 label: t("Delete"),
@@ -94,7 +94,7 @@ const CustomerSearch: React.FC<Props> = ({ customers, abilities }) => {
                 }}
                 onReset={onReset}
             />
-            <SearchResults items={filteredCustomers} columns={columns} />
+            <SearchResults items={filteredCustomers} columns={columns} autoRedirectToFirstPage={true}/>
         </>
     );
 };
diff --git a/src/components/GenerateLastModifiedReport/GenerateLastModifiedReport.tsx b/src/components/GenerateLastModifiedReport/GenerateLastModifiedReport.tsx
index 6181b3b..1c899ed 100644
--- a/src/components/GenerateLastModifiedReport/GenerateLastModifiedReport.tsx
+++ b/src/components/GenerateLastModifiedReport/GenerateLastModifiedReport.tsx
@@ -33,6 +33,17 @@ const GenerateLastModifiedReport: React.FC<Props> = ({ projects, companyHolidays
         paramName: "date",
         type: "date",
       },
+      {
+        label: t("Range"),
+        paramName: "dayRange",
+        type: "autocomplete",
+        options: [
+          {label: t("30 Days"), value: 30},
+          {label: t("60 Days"), value: 60},
+          {label: t("90 Days"), value: 90},
+        ],
+        needAll: false
+      }
     ],
     [t]
   );
@@ -51,7 +62,8 @@ const GenerateLastModifiedReport: React.FC<Props> = ({ projects, companyHolidays
 
           let postData = {
             dateString: dayjs().format("YYYY-MM-DD").toString(),
-            holidays: uniqueHoliday
+            holidays: uniqueHoliday,
+            dayRange: query.dayRange
           };
           console.log(query.date.length > 0)
           if (query.date.length > 0) {
diff --git a/src/components/SearchResults/SearchResults.tsx b/src/components/SearchResults/SearchResults.tsx
index adc7e12..b08b2b3 100644
--- a/src/components/SearchResults/SearchResults.tsx
+++ b/src/components/SearchResults/SearchResults.tsx
@@ -32,6 +32,8 @@ interface BaseColumn<T extends ResultWithId> {
   needTranslation?: boolean;
   type?: string;
   isHidden?: boolean;
+  sortable?: boolean; // NEW
+  sortFn?: (a: T, b: T) => number; // NEW (optional custom sort)
 }
 
 interface ColumnWithAction<T extends ResultWithId> extends BaseColumn<T> {
@@ -158,6 +160,45 @@ function SearchResults<T extends ResultWithId>({
 
     return column.underline ?? "always";
   };
+
+  const [orderByCol, setOrderByCol] = useState<keyof T | null>(null);
+  const [order, setOrder] = useState<'asc' | 'desc'>('asc');
+
+  const handleSort = (col: Column<T>) => {
+    if (!('sortable' in col) || !col.sortable) return;
+  
+    if (orderByCol === col.name) {
+      setOrder(prev => (prev === 'asc' ? 'desc' : 'asc'));
+    } else {
+      setOrderByCol(col.name);
+      setOrder('asc');
+    }
+  };
+
+  const sortedItems = React.useMemo(() => {
+    if (!orderByCol) return items;
+    const column = columns.find(col => col.name === orderByCol);
+    if (!column) return items;
+  
+    let sorted = [...items];
+    if (column.sortFn) {
+      sorted.sort((a, b) =>
+        order === 'asc' ? column.sortFn!(a, b) : column.sortFn!(b, a)
+      );
+    } else {
+      sorted.sort((a, b) => {
+        const aValue = a[orderByCol];
+        const bValue = b[orderByCol];
+        if (aValue == null) return 1;
+        if (bValue == null) return -1;
+        if (aValue < bValue) return order === 'asc' ? -1 : 1;
+        if (aValue > bValue) return order === 'asc' ? 1 : -1;
+        return 0;
+      });
+    }
+    return sorted;
+  }, [items, orderByCol, order, columns]);
+
   // type OrderProps = Record<keyof T, Boolean>
   // const [sortedItems, setSortedItems] = useState(items)
   // const [orderProps, setOrderProps] = useState<OrderProps>(() => {
@@ -209,15 +250,31 @@ function SearchResults<T extends ResultWithId>({
           <TableHead>
             <TableRow>
               {columns.filter(item => item.isHidden !== true).map((column, idx) => (
-                <TableCell key={`${column.name.toString()}${idx}`}>
-                  {column?.type === "money" ? <div style={{display: "flex", justifyContent: "flex-end"}}>{column.label}</div> : column.label}
-                  
+                <TableCell
+                  key={`${column.name.toString()}${idx}`}
+                  onClick={() => handleSort(column)}
+                  style={{ cursor: column.sortable ? 'pointer' : undefined }}
+                >
+                  <span style={{ display: "flex", alignItems: "center" }}>
+                    {column?.type === "money" ? (
+                      <div style={{display: "flex", justifyContent: "flex-end", width: "100%"}}>
+                        {column.label}
+                      </div>
+                    ) : (
+                      column.label
+                    )}
+                    {column.sortable && (
+                      orderByCol === column.name ?
+                        (order === 'asc' ? <ArrowUp fontSize="small" /> : <ArrowDown fontSize="small" />)
+                        : <ArrowUp style={{ opacity: 0.3 }} fontSize="small" />
+                    )}
+                  </span>
                 </TableCell>
               ))}
             </TableRow>
           </TableHead>
           <TableBody>
-            {items
+            {sortedItems
               .slice(page * rowsPerPage, page * rowsPerPage + rowsPerPage)
               .map((item) => {
                 return (