diff --git a/src/components/DoSearch/DoReplenishmentTab.tsx b/src/components/DoSearch/DoReplenishmentTab.tsx
index 17e014a..13f94d7 100644
--- a/src/components/DoSearch/DoReplenishmentTab.tsx
+++ b/src/components/DoSearch/DoReplenishmentTab.tsx
@@ -151,6 +151,16 @@ function lineUomDisplay(line?: DoDetailLine | null): string {
   return (line.shortUom ?? line.uomCode ?? line.uom ?? "").trim();
 }
 
+function filterSourceDoLines(lines: DoDetailLine[], inputValue: string): DoDetailLine[] {
+  const query = inputValue.trim().toLowerCase();
+  if (!query) return lines;
+  return lines.filter((line) => {
+    const itemNo = (line.itemNo ?? "").toLowerCase();
+    const itemName = (line.itemName ?? "").toLowerCase();
+    return itemNo.includes(query) || itemName.includes(query);
+  });
+}
+
 type DraftDoGroup = {
   sourceDoId: number;
   sourceDoCode: string;
@@ -990,13 +1000,9 @@ const DoReplenishmentTab: React.FC = () => {
                           onChange={(_, newValue) => setSelectedLine(newValue)}
                           getOptionLabel={(line) => line.itemNo ?? ""}
                           isOptionEqualToValue={(a, b) => a.id === b.id}
-                          filterOptions={(options, { inputValue }) => {
-                            const query = inputValue.trim().toLowerCase();
-                            if (!query) return options;
-                            return options.filter((line) =>
-                              (line.itemNo ?? "").toLowerCase().includes(query),
-                            );
-                          }}
+                          filterOptions={(options, { inputValue }) =>
+                            filterSourceDoLines(options, inputValue)
+                          }
                           renderInput={(params) => {
                             const { inputProps } = params;
                             return (
@@ -1024,10 +1030,25 @@ const DoReplenishmentTab: React.FC = () => {
                         />
                       </TableCell>
                       <TableCell>
-                        <ReplenishmentItemEntryPlainText
-                          value={
-                            selectedLine ? (selectedLine.itemName ?? selectedLine.itemNo ?? "") : ""
+                        <Autocomplete
+                          size="small"
+                          fullWidth
+                          options={sourceDo.lines}
+                          value={selectedLine}
+                          onChange={(_, newValue) => setSelectedLine(newValue)}
+                          getOptionLabel={(line) => line.itemName ?? line.itemNo ?? ""}
+                          isOptionEqualToValue={(a, b) => a.id === b.id}
+                          filterOptions={(options, { inputValue }) =>
+                            filterSourceDoLines(options, inputValue)
                           }
+                          renderInput={(params) => (
+                            <ReplenishmentTextField
+                              {...params}
+                              placeholder={t("Replenishment item name")}
+                              InputProps={{ ...params.InputProps, disableUnderline: true }}
+                            />
+                          )}
+                          sx={REPLENISHMENT_TABLE_AUTOCOMPLETE_SX}
                         />
                       </TableCell>
                       <TableCell align="right">
diff --git a/src/i18n/en/do.json b/src/i18n/en/do.json
index 56f9ce4..c23c21a 100644
--- a/src/i18n/en/do.json
+++ b/src/i18n/en/do.json
@@ -104,6 +104,7 @@
   "Batch release replenishment info only": "Pending replenishments matching this search. For information only.",
   "Replenishment Entry": "Replenishment Entry",
   "Replenishment item code": "Item Code",
+  "Replenishment item name": "Item Name",
   "Replenishment Tracking": "Replenishment Tracking",
   "Required field": "Required field",
   "replenishmentDatePlaceholder": "YYYY-MM-DD",
diff --git a/src/i18n/zh/do.json b/src/i18n/zh/do.json
index a3dedc5..f078218 100644
--- a/src/i18n/zh/do.json
+++ b/src/i18n/zh/do.json
@@ -51,6 +51,7 @@
   "Batch release replenishment info only": "以下為符合搜尋條件的待放單補貨，僅供查閱。",
   "Replenishment Entry": "補貨填表",
   "Replenishment item code": "貨品編號",
+  "Replenishment item name": "貨品名稱",
   "Replenishment Tracking": "補貨進度追蹤",
   "Required field": "為必填項",
   "replenishmentDatePlaceholder": "YYYY-MM-DD",