diff --git a/theme/onemoe.html b/theme/onemoe.html
index 431b2cc..88f54c0 100644
--- a/theme/onemoe.html
+++ b/theme/onemoe.html
@@ -24,9 +24,9 @@
     <link rel="icon" href="<!--base_path-->favicon.ico" type="image/x-icon">
     <link rel="shortcut icon" href="<!--base_path-->favicon.ico" type="image/x-icon">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/kizx/onemoe-theme/onemoe.min.css" type="text/css" />
-    <!--BackgroundStart-->
+<!--BackgroundStart-->
     <style>body{background-repeat:no-repeat;background-size:cover;background-attachment:fixed;background-position-x:center;background-image:url("<!--BackgroundUrl-->")}</style>
-	<!--BackgroundEnd-->
+<!--BackgroundEnd-->
 	<script type="text/javascript">if(window.console&&window.console.log){console.log("%c Onemoe Theme %c https://github.com/kizx/onemoe-theme ","color: #fff; margin: 1em 0; padding: 5px 0; background: #673ab7;","margin: 1em 0; padding: 5px 0; background: #efefef;")}</script>
     <!--customCss-->
 </head>
@@ -148,7 +148,7 @@
                         <audio src="<!--FileDownUrl-->" controls="controls" style="width: 100%"></audio>
 <!--IsmusicFileEnd-->
 <!--IspdfFileStart-->
-                        <div id="pdf-d"></div>
+                        <div id="pdf-d">Loading PDF</div>
 <!--IspdfFileEnd-->
 <!--IsofficeFileStart-->
                         <iframe id="office-a" src="https://view.officeapps.live.com/op/view.aspx?src=<!--FileEncodeDownUrl-->" style="width: 100%;height: 800px" frameborder="0"></iframe>
@@ -548,10 +548,16 @@
 <!--IsvideoFileEnd-->
 <!--IspdfFileStart-->
     pdfjsLib.GlobalWorkerOptions.workerSrc = '//cdn.bootcss.com/pdf.js/2.3.200/pdf.worker.min.js';
-    var loadingTask = pdfjsLib.getDocument({ url: '<!--FileDownUrl-->', });
+    var loadingTask = pdfjsLib.getDocument({
+        url: '<!--FileDownUrl-->',
+        cMapUrl: "//cdn.jsdelivr.net/npm/pdfjs-dist@2.2.228/cmaps/",
+        cMapPacked: true,
+        rangeChunkSize: 65535
+    });
     loadingTask.promise.then(function(pdf) {
         var pagenum =  pdf.numPages;
         var pdfContainer = document.getElementById('pdf-d');
+        pdfContainer.innerHTML = '';
         for (var i=1;i<=pagenum;i++) {
             var canvasNew = document.createElement('canvas');
             canvasNew.id = 'pdf-c'+i;
@@ -775,19 +781,26 @@
         var timea=new Date().getTime();
         var i=0;
         getuplink(i);
-        function getuplink(i) {
+        function getuplink(i, r=0) {
             var file=files[i];
-            var tr1=document.createElement('tr');
-            table1.appendChild(tr1);
-            tr1.setAttribute('data-to',1);
-            var td1=document.createElement('td');
-            tr1.appendChild(td1);
-            td1.setAttribute('style','width:30%;word-break:break-word;');
-            td1.setAttribute('id','upfile_td1_'+timea+'_'+i);
-            td1.innerHTML=(file.webkitRelativePath||file.name)+'<br>'+size_format(file.size);
-            var td2=document.createElement('td');
-            tr1.appendChild(td2);
-            td2.setAttribute('id','upfile_td2_'+timea+'_'+i);
+            var td1;
+            var td2;
+            if (r==0) {
+                var tr1=document.createElement('tr');
+                table1.appendChild(tr1);
+                tr1.setAttribute('data-to',1);
+                td1=document.createElement('td');
+                tr1.appendChild(td1);
+                td1.setAttribute('style','width:30%;word-break:break-word;');
+                td1.setAttribute('id','upfile_td1_'+timea+'_'+i);
+                td1.innerHTML=(file.webkitRelativePath||file.name)+'<br>'+size_format(file.size);
+                td2=document.createElement('td');
+                tr1.appendChild(td2);
+                td2.setAttribute('id','upfile_td2_'+timea+'_'+i);
+            }
+            var tdnum = timea+'_'+i;
+            td1=document.getElementById('upfile_td1_'+tdnum);
+            td2=document.getElementById('upfile_td2_'+tdnum);
             if (file.size>100*1024*1024*1024) {
                 td2.innerHTML='<font color="red"><!--constStr@UpFileTooLarge--></font>';
                 uploadbuttonshow();
@@ -832,35 +845,46 @@
             var xhr1 = new XMLHttpRequest();
             xhr1.open("GET", '?action=upbigfile&upbigfilename='+ upbigfilename +'&filesize='+ file.size +'&lastModified='+ file.lastModified);
             xhr1.setRequestHeader('x-requested-with','XMLHttpRequest');
-            xhr1.send(null);
+            xhr1.onprogress = function(e){
+                td2.innerHTML+='.';
+            }
             xhr1.onload = function(e){
+                console.log(xhr1.status+xhr1.responseText);
                 td2.innerHTML='<font color="red">'+xhr1.responseText+'</font>';
+                if (xhr1.status==409) {
+                    // td2.innerHTML='nameAlreadyExists';
+                    var html=JSON.parse(xhr1.responseText);
+                    td2.innerHTML=html['error']['code']+': '+html['error']['message'];
+<!--GuestStart-->
+                    td2.innerHTML='md5: '+filemd5;
+<!--GuestEnd-->
+                    td1.innerHTML='<div style="color:green"><a href="<!--base_disk_path--><!--Path-->'+(file.webkitRelativePath||file.name)+'?preview" id="upfile_a_'+tdnum+'" target="_blank">'+td1.innerHTML+'</a><br><a href="<!--base_disk_path--><!--Path-->'+(file.webkitRelativePath||file.name)+'" id="upfile_a1_'+tdnum+'"></a><!--constStr@UploadComplete--><button onclick="CopyAllDownloadUrl(\'#upfile_a1_'+tdnum+'\');" id="upfile_cpbt_'+tdnum+'" <!--AdminStart--> style="display:none"<!--AdminEnd--> ><!--constStr@CopyUrl--></button></div>';
+                }
                 if (xhr1.status==200) {
-                    console.log(xhr1.responseText);
+                    if (xhr1.responseText=='') {
+                        getuplink(i,1);
+                        return;
+                    }
                     var html=JSON.parse(xhr1.responseText);
                     if (!html['uploadUrl']) {
                         td2.innerHTML='<font color="red">'+xhr1.responseText+'</font><br>';
-                        uploadbuttonshow();
                     } else {
                         td2.innerHTML='<!--constStr@UploadStart--> ...';
                         binupfile(file,html['uploadUrl'],timea+'_'+i, upbigfilename);
                     }
                 }
-                if (xhr1.status==409) {
-                    td2.innerHTML='md5: '+filemd5;
-                    tdnum = timea+'_'+i;
-                    document.getElementById('upfile_td1_'+tdnum).innerHTML='<div style="color:green"><a href="<!--base_disk_path--><!--Path-->'+upbigfilename+'?preview" id="upfile_a_'+tdnum+'" target="_blank">'+document.getElementById('upfile_td1_'+tdnum).innerHTML+'</a><br><a href="<!--base_disk_path--><!--Path-->'+upbigfilename+'" id="upfile_a1_'+tdnum+'"></a><!--constStr@UploadComplete--><button onclick="CopyAllDownloadUrl(\'#upfile_a1_'+tdnum+'\');" id="upfile_cpbt_'+tdnum+'" <!--AdminStart--> style="display:none"<!--AdminEnd--> ><!--constStr@CopyUrl--></button></div>';
-                }
                 if (i<files.length-1) {
                     i++;
                     getuplink(i);
                 }
             }
+            xhr1.send(null);
 <!--GuestStart-->
             }
         }
 <!--GuestEnd-->
         }
+        uploadbuttonshow();
     }
     function size_format(num) {
         if (num>1024) {
@@ -953,7 +977,7 @@
                                 }
                                 document.getElementById('upfile_td1_'+tdnum).innerHTML='<div style="color:green"><a href="<!--base_disk_path--><!--Path-->'+(file.webkitRelativePath||response.name)+'?preview" id="upfile_a_'+tdnum+'" target="_blank">'+document.getElementById('upfile_td1_'+tdnum).innerHTML+'</a><br><a href="<!--base_disk_path--><!--Path-->'+(file.webkitRelativePath||response.name)+'" id="upfile_a1_'+tdnum+'"></a><!--constStr@UploadComplete--><button onclick="CopyAllDownloadUrl(\'#upfile_a1_'+tdnum+'\');" id="upfile_cpbt_'+tdnum+'" <!--AdminStart--> style="display:none"<!--AdminEnd--> ><!--constStr@CopyUrl--></button></div>';
                                 label.innerHTML=StartStr+MiddleStr;
-                                uploadbuttonshow();
+                                // uploadbuttonshow();
 <!--AdminStart-->
                                 response.name=file.webkitRelativePath||response.name;
                                 addelement(response);
@@ -976,7 +1000,7 @@
                     } else {
                         label.innerHTML='<font color="red">'+xhr2.responseText+'</font>';
                     }
-                    uploadbuttonshow();
+                    // uploadbuttonshow();
                 }
             }
         }