diff --git a/src/pages/dashboard/receipt-issuing-order/custom/hello-techno/detail.tsx b/src/pages/dashboard/receipt-issuing-order/custom/hello-techno/detail.tsx
index 02fff84..8cbd281 100644
--- a/src/pages/dashboard/receipt-issuing-order/custom/hello-techno/detail.tsx
+++ b/src/pages/dashboard/receipt-issuing-order/custom/hello-techno/detail.tsx
@@ -7,10 +7,12 @@ import {
   Stack,
   Typography,
 } from "@mui/material";
+import { ApiId } from "api";
 import {
   ReceiptIssuingOrderHTCustom,
   getReceiptIssuingOrders,
 } from "api/custom/hello-techno/receipt-issuing-order";
+import { getFullUrl } from "api/url";
 import { PageID } from "codes/page";
 import { getPrefName } from "codes/prefcode";
 import { SimpleDataList } from "components/table";
@@ -24,9 +26,6 @@ import { useEffect, useMemo, useState } from "react";
 import { useParams } from "react-router-dom";
 import { sprintf } from "sprintf-js";
 import { formatDateStr, formatDateTimeStr } from "utils/datetime";
-import useMailPostCompleteDialog from "./hooks/useMailPostCompleteDialog";
-import { getFullUrl } from "api/url";
-import { ApiId } from "api";
 import useChangeHandlerDialog from "../../hooks/useChangeHandlerDialog";
 
 export default function ReceiptIssuingOrderDetail() {
@@ -44,10 +43,6 @@ export default function ReceiptIssuingOrderDetail() {
 
   const [order, setOrder] = useState<ReceiptIssuingOrderHTCustom | null>(null);
 
-  const postCompleteDialog = useMailPostCompleteDialog(order, () => {
-    fetch();
-  });
-
   const changeHandlerDialog = useChangeHandlerDialog(order, () => {
     fetch();
   });
@@ -265,15 +260,7 @@ export default function ReceiptIssuingOrderDetail() {
                       >
                         印字
                       </Button>
-
-                      <Button
-                        variant="contained"
-                        onClick={postCompleteDialog.open}
-                      >
-                        投函完了
-                      </Button>
                     </Stack>
-                    {postCompleteDialog.element}
                   </>
                 )}
               </Stack>