diff --git a/dist/entry.js b/dist/entry.js
index 201e7db642..7e95e46184 100644
--- a/dist/entry.js
+++ b/dist/entry.js
@@ -10364,7 +10364,7 @@ Entry.Pdf = function(b) {
 p = Entry.Pdf.prototype;
 p.generateView = function(b) {
   var a = Entry.createElement("div", "entryPdfWorkspace");
-  a.addClass("entryHidden");
+  a.addClass("entryRemove");
   this._view = a;
   var c = "/pdfjs/web/viewer.html";
   b && "" != b && (c += "?file=" + b);
diff --git a/dist/entry.min.js b/dist/entry.min.js
index 927071ad1e..e56f3b75ef 100644
--- a/dist/entry.min.js
+++ b/dist/entry.min.js
@@ -1010,7 +1010,7 @@ throw{message:"\uc9c0\uc6d0\ud558\uc9c0 \uc54a\ub294 \ud45c\ud604\uc2dd \uc785\u
 (function(b){b.parse=function(a){var b=null;switch(this._lang){case "js":try{var d=acorn.parse(a),b=this._parser.Program(d)}catch(e){this.codeMirror&&(e instanceof SyntaxError?(a={from:{line:e.loc.line-1,ch:e.loc.column-2},to:{line:e.loc.line-1,ch:e.loc.column+1}},e.message="\ubb38\ubc95 \uc624\ub958\uc785\ub2c8\ub2e4."):(a=this.getLineNumber(e.node.start,e.node.end),a.message=e.message,a.severity="error",this.codeMirror.markText(a.from,a.to,{className:"CodeMirror-lint-mark-error",__annotation:a,
 clearOnEnter:!0})),Entry.toast.alert("Error",e.message)),b=[]}break;case "block":a=this._parser.Code(a).match(/(.*{.*[\S|\s]+?}|.+)/g),b=Array.isArray(a)?a.reduce(function(a,b,c){var d="";1===c&&(a+="\n");d=-1<b.indexOf("function")?b+a:a+b;return d+"\n"}):""}return b};b.getLineNumber=function(a,b){var d=this.codeMirror.getValue(),e={from:{},to:{}},f=d.substring(0,a).split(/\n/gi);e.from.line=f.length-1;e.from.ch=f[f.length-1].length;d=d.substring(0,b).split(/\n/gi);e.to.line=d.length-1;e.to.ch=d[d.length-
 1].length;return e};b.mappingSyntax=function(a){for(var b=Object.keys(Entry.block),d=0;d<b.length;d++){var e=b[d],f=Entry.block[e];if(f.mode===a&&-1<this.availableCode.indexOf(e)&&(f=f.syntax))for(var g=this.syntax,h=0;h<f.length;h++){var k=f[h];if(h===f.length-2&&"function"===typeof f[h+1]){g[k]=f[h+1];break}g[k]||(g[k]={});h===f.length-1?g[k]=e:g=g[k]}}};b.setAvailableCode=function(a,b){var d=[];a.forEach(function(a,b){a.forEach(function(a,b){d.push(a.type)})});b instanceof Entry.Code?b.getBlockList().forEach(function(a){a.type!==
-NtryData.START&&-1===d.indexOf(a.type)&&d.push(a.type)}):b.forEach(function(a,b){a.forEach(function(a,b){a.type!==NtryData.START&&-1===d.indexOf(a.type)&&d.push(a.type)})});this.availableCode=this.availableCode.concat(d)}})(Entry.Parser.prototype);Entry.Pdf=function(b){this.generateView(b)};p=Entry.Pdf.prototype;p.generateView=function(b){var a=Entry.createElement("div","entryPdfWorkspace");a.addClass("entryHidden");this._view=a;var c="/pdfjs/web/viewer.html";b&&""!=b&&(c+="?file="+b);pdfViewIframe=Entry.createElement("iframe","entryPdfIframeWorkspace");pdfViewIframe.setAttribute("id","pdfViewIframe");pdfViewIframe.setAttribute("frameborder",0);pdfViewIframe.setAttribute("src",c);a.appendChild(pdfViewIframe)};p.getView=function(){return this._view};
+NtryData.START&&-1===d.indexOf(a.type)&&d.push(a.type)}):b.forEach(function(a,b){a.forEach(function(a,b){a.type!==NtryData.START&&-1===d.indexOf(a.type)&&d.push(a.type)})});this.availableCode=this.availableCode.concat(d)}})(Entry.Parser.prototype);Entry.Pdf=function(b){this.generateView(b)};p=Entry.Pdf.prototype;p.generateView=function(b){var a=Entry.createElement("div","entryPdfWorkspace");a.addClass("entryRemove");this._view=a;var c="/pdfjs/web/viewer.html";b&&""!=b&&(c+="?file="+b);pdfViewIframe=Entry.createElement("iframe","entryPdfIframeWorkspace");pdfViewIframe.setAttribute("id","pdfViewIframe");pdfViewIframe.setAttribute("frameborder",0);pdfViewIframe.setAttribute("src",c);a.appendChild(pdfViewIframe)};p.getView=function(){return this._view};
 p.resize=function(){var b=document.getElementById("entryContainerWorkspaceId"),a=document.getElementById("pdfViewIframe");w=b.offsetWidth;a.width=w+"px";a.height=9*w/16+"px"};Entry.Popup=function(){Entry.assert(!window.popup,"Popup exist");this.body_=Entry.createElement("div");this.body_.addClass("entryPopup");this.body_.bindOnClick(function(b){b.target==this&&this.popup.remove()});this.body_.popup=this;document.body.appendChild(this.body_);this.window_=Entry.createElement("div");this.window_.addClass("entryPopupWindow");this.window_.bindOnClick(function(){});Entry.addEventListener("windowResized",this.resize);window.popup=this;this.resize();this.body_.appendChild(this.window_)};
 Entry.Popup.prototype.remove=function(){for(;this.window_.hasChildNodes();)"workspace"==Entry.type?Entry.view_.insertBefore(this.window_.firstChild,Entry.container.view_):Entry.view_.insertBefore(this.window_.lastChild,Entry.view_.firstChild);$("body").css("overflow","auto");Entry.removeElement(this.body_);window.popup=null;Entry.removeEventListener("windowResized",this.resize);Entry.engine.popup=null};
 Entry.Popup.prototype.resize=function(b){b=window.popup.window_;var a=.9*window.innerWidth,c=.9*window.innerHeight-35;9*a<=16*c?c=a/16*9:a=16*c/9;b.style.width=String(a)+"px";b.style.height=String(c+35)+"px"};Entry.popupHelper=function(b){this.popupList={};this.nowContent;b&&(window.popupHelper=null);Entry.assert(!window.popupHelper,"Popup exist");var a=["confirm","spinner"],c=["entryPopupHelperTopSpan","entryPopupHelperBottomSpan","entryPopupHelperLeftSpan","entryPopupHelperRightSpan"];this.body_=Entry.Dom("div",{classes:["entryPopup","hiddenPopup","popupHelper"]});var d=this;this.body_.bindOnClick(function(b){if(!(d.nowContent&&-1<a.indexOf(d.nowContent.prop("type")))){var f=$(b.target);c.forEach(function(a){f.hasClass(a)&&
diff --git a/src/pdf.js b/src/pdf.js
index 5bf69d55de..4276fe704b 100644
--- a/src/pdf.js
+++ b/src/pdf.js
@@ -9,7 +9,7 @@ var p = Entry.Pdf.prototype;
 p.generateView = function(file) {
     var pdf = this;
     var pdfView = Entry.createElement('div', 'entryPdfWorkspace');
-    pdfView.addClass('entryHidden');
+    pdfView.addClass('entryRemove');
     this._view = pdfView;
 
     var url = '/pdfjs/web/viewer.html';