fixed

backend/package-lock.json

@@ -10444,9 +10444,9 @@
             }
         },
         "pdfjs-dist": {
-            "version": "2.11.338",
-            "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-2.11.338.tgz",
-            "integrity": "sha512-Ti5VTB0VvSdtTtc7TG71ghMx0SEuNcEs4ghVuZxW0p6OqLjMc0xekZV1B+MmlxEG2Du2e5jgazucWIG/SXTcdA=="
+            "version": "2.10.377",
+            "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-2.10.377.tgz",
+            "integrity": "sha512-i0jRShtvgfsVQUNCoFYH4SVhPO3U0yhtiFLfZ0RR0B+68N+Vnwq+8B3cjWjLEwWGh8wg1XQ/sYMYKUlHn/Qpsw=="
         },
         "performance-now": {
             "version": "2.1.0",

backend/package.json

@@ -43,7 +43,7 @@
         "es7-shim": "^6.0.0",
         "history": "^5.0.0",
         "moment": "^2.29.1",
-        "pdfjs-dist": "^2.11.338",
+        "pdfjs-dist": "^2.10.377",
         "prop-types": "^15.7.2",
         "react": "^17.0.2",
         "react-cookie": "^4.1.1",

backend/resources/js/component/pdf/modal_pdf.jsx

@@ -15,8 +15,6 @@ import ArrowForwardIosIcon from '@mui/icons-material/ArrowForwardIos';
 import ArrowBackIosIcon from '@mui/icons-material/ArrowBackIos';
 import Container from '@mui/material/Container';
 
-import pdfjsWorker from "pdfjs-dist/build/pdf.worker.entry";
-
 const Transition = React.forwardRef(function Transition(props, ref) {
   return <Slide direction="up" ref={ref} {...props} />;
 });

backend/resources/js/component/preview_pdf.jsx

@@ -1,6 +1,5 @@
 import React, { useEffect, useState } from 'react';
-import { Document, Page, pdfjs} from "react-pdf";
-pdfjs.GlobalWorkerOptions.workerSrc = `//cdnjs.cloudflare.com/ajax/libs/pdf.js/${pdfjs.version}/pdf.worker.min.js`;
+import { Document, Page} from "react-pdf";
 
 const PreviewPDF = ({pdf_url}) => {
 
@@ -31,7 +30,10 @@ const PreviewPDF = ({pdf_url}) => {
     }}>
         {
             pdf_url &&
-            <Document file={pdf_url} loading={<></>}>
+            <Document 
+                file={pdf_url} 
+                loading={<></>}
+            >
                 <Page 
                     pageNumber={1} 
                     loading={<></>}

backend/resources/views/common/layout.blade.php

@@ -53,7 +53,7 @@
     <script src="{{ asset('js/components/html5shiv-printshiv.min.js') }}"></script>
     <script src="{{ asset('js/components/html5shiv.min.js') }}"></script>
     <script src="{{ asset('js/components/es6-promise.js') }}"></script>
-    <script src="{{ asset('js/pdf.worker.js') }}"></script>
+    <script src="{{ asset('js/components/pdf-worker.js') }}"></script>    <!-- v2.9.359 -->
     <script src="{{ asset('js/app.js') }}"></script>
     <!-- V1, 2022/1/13 -->
 </html>