diff --git a/app/js/platform/preload.js b/app/js/platform/preload.js
index 2c7718d3..cc30121e 100644
--- a/app/js/platform/preload.js
+++ b/app/js/platform/preload.js
@@ -19,6 +19,12 @@ onmessage = function (e) {
         ipc.send('native-notf', e.data[1]);
     } else if (e.data[0] == "dialogClient") {
         ipc.send("dialogClient", e.data[1])
+    } else if (e.data[0] == "generalDL") {
+        ipc.send('general-dl', e.data[1]);
+    } else if (e.data[0] == "openFinder") {
+        ipc.send('open-finder', e.data[1]);
+    } else if (e.data[0] == "columnDel") {
+        ipc.send('column-del', e.data[1]);
     }
 }
 //version.js
@@ -134,6 +140,29 @@ ipc.on('dialogClientRender', function (event, arg) {
     }
     parseColumn();
 });
+//ui,img.js
+ipc.on('general-dl-prog', function (event, arg) {
+    console.log("Progress: " + arg);
+})
+ipc.on('general-dl-message', function (event, arg) {
+    var argC = arg.replace(/\\/g, "\\\\") + "\\\\.";
+    M.toast({ html: lang.lang_img_DLDone + arg + '<button class="btn-flat toast-action" onclick="openFinder(\'' + argC + '\')">Show</button>', displayLength: 5000 })
+})
+//layout.js
+ipc.on('column-del-reply', function (event, args) {
+    if (args[0] === 1) {
+        localStorage.removeItem("card_" + args[1]);
+        obj.splice(args[1], 1);
+        for (var i = 0; i < obj.length; i++) {
+            localStorage.setItem("card_" + i, "true");
+            localStorage.removeItem("catch_" + i);
+        }
+        var json = JSON.stringify(obj);
+        localStorage.setItem("column", json);
+        parseColumn();
+        sortload()
+    }
+})
 /*
 var webviewDom = document.getElementById('webview');
 const {
diff --git a/app/js/ui/img.js b/app/js/ui/img.js
index eb452a2e..7bc247ba 100644
--- a/app/js/ui/img.js
+++ b/app/js/ui/img.js
@@ -271,22 +271,14 @@ function detFromImg() {
 //画像保存
 function dlImg() {
 	var url = $("#imgmodal").attr("src");
-	var electron = require("electron");
-	var ipc = electron.ipcRenderer;
 	if (localStorage.getItem("savefolder")) {
 		var save = localStorage.getItem("savefolder");
 	} else {
 		var save = "";
 	}
-	ipc.send('general-dl', [url, save, false]);
-	ipc.on('general-dl-prog', function (event, arg) {
-		console.log("Progress: " + arg);
-	})
-	ipc.on('general-dl-message', function (event, arg) {
-		var argC = arg.replace(/\\/g, "\\\\") + "\\\\.";
-		M.toast({ html: lang.lang_img_DLDone + arg + '<button class="btn-flat toast-action" onclick="openFinder(\'' + argC + '\')">Show</button>', displayLength: 5000 })
-	})
+	postMessage(["generalDL", [url, save, false]], "*")
+
 }
 function openFinder(dir) {
-	ipc.send('open-finder', dir);
+	postMessage(["openFinder", dir], "*")
 }
\ No newline at end of file
diff --git a/app/js/ui/layout.js b/app/js/ui/layout.js
index 922b429e..29d21f01 100644
--- a/app/js/ui/layout.js
+++ b/app/js/ui/layout.js
@@ -170,10 +170,10 @@ function parseColumn(dontclose) {
 					'<input type="checkbox" class="filled-in" id="exc-follow-' + key + '" ' + excludeCk(key, "follow") + ' /><label for="exc-follow-' + key + '" class="exc-chb" ><i class="fas fa-users exc-icons"></i></label> ' +
 					'<input type="checkbox" class="filled-in" id="exc-poll-' + key + '" ' + excludeCk(key, "poll") + ' /><label for="exc-poll-' + key + '" class="exc-chb" ><i class="fas fa-tasks exc-icons"></i></label> ' +
 					'<button class="btn waves-effect" style="width:60px; padding:0;" onclick="exclude(' + key + ')">Filter</button>';
-					if(checkNotfFilter(key)){
-						exclude=exclude+'<button class="btn red waves-effect" style="width:60px; padding:0;" onclick="resetNotfFilter(' + key + ')">Clear all</button>'
-					}
-					exclude=exclude+"<br>";
+				if (checkNotfFilter(key)) {
+					exclude = exclude + '<button class="btn red waves-effect" style="width:60px; padding:0;" onclick="resetNotfFilter(' + key + ')">Clear all</button>'
+				}
+				exclude = exclude + "<br>";
 			} else if (acct.type == "home") {
 				var exclude = '<a onclick="ebtToggle(' + key +
 					')" class="setting nex"><i class="fas fa-retweet waves-effect nex" title="' + lang.lang_layout_excludingbt + '" style="font-size:24px"></i><span id="sta-bt-' +
@@ -308,7 +308,7 @@ function secvis(set) {
 //カラム追加
 function addColumn() {
 	var acct = $("#add-acct-sel").val();
-	if(acct != "webview" && acct != "noauth"){
+	if (acct != "webview" && acct != "noauth") {
 		localStorage.setItem("last-use", acct);
 	}
 	var type = $("#type-sel").val();
@@ -367,23 +367,7 @@ function removeColumn(tlid) {
 	var multi = localStorage.getItem("column");
 	var obj = JSON.parse(multi);
 	//聞く
-	var electron = require("electron");
-	var ipc = electron.ipcRenderer;
-	ipc.send('column-del', "");
-	ipc.on('column-del-reply', function (event, arg) {
-		if (arg === 1) {
-			localStorage.removeItem("card_" + tlid);
-			obj.splice(tlid, 1);
-			for (var i = 0; i < obj.length; i++) {
-				localStorage.setItem("card_" + i, "true");
-				localStorage.removeItem("catch_" + i);
-			}
-			var json = JSON.stringify(obj);
-			localStorage.setItem("column", json);
-			parseColumn();
-			sortload()
-		}
-	})
+	postMessage(["columnDel", tlid], "*")
 }
 
 //設定トグル
diff --git a/app/main/system.js b/app/main/system.js
index 249029ba..9bfb4eb3 100644
--- a/app/main/system.js
+++ b/app/main/system.js
@@ -73,7 +73,7 @@ function system(mainWindow, dir, lang) {
 			e.sender.webContents.send('dialogClientRender', arg);
 		});
 	})
-	
+
 	//ハードウェアアクセラレーションの無効化
 	ipc.on('ha', function (e, arg) {
 
@@ -100,7 +100,7 @@ function system(mainWindow, dir, lang) {
 		var ver = app.getVersion()
 		var window = new BrowserWindow({
 			webPreferences: {
-				nodeIntegration:true
+				nodeIntegration: true
 			},
 			width: 300,
 			height: 480,
@@ -111,12 +111,12 @@ function system(mainWindow, dir, lang) {
 		window.loadURL(dir + '/about.html?ver=' + ver);
 		return "true"
 	}
-	ipc.on('column-del', (e, args) => {
+	ipc.on('column-del', (e, tlid) => {
 
 		console.log(lang);
 		var options = language.delsel(lang)
 		dialog.showMessageBox(options, function (index) {
-			e.sender.webContents.send('column-del-reply', index);
+			e.sender.webContents.send('column-del-reply', [index, tlid]);
 		})
 	});
 	ipc.on('nano', function (e, x, y) {
@@ -131,7 +131,7 @@ function system(mainWindow, dir, lang) {
 		}
 		var nanowindow = new BrowserWindow({
 			webPreferences: {
-				nodeIntegration:true
+				nodeIntegration: true
 			},
 			width: 350,
 			height: 200,
@@ -165,7 +165,7 @@ function system(mainWindow, dir, lang) {
 		}
 	});
 
-	
+
 	ipc.on('export', (e, args) => {
 		fs.writeFileSync(args[0], args[1]);
 	});