diff --git a/app/main/img.js b/app/main/img.js
index 28a78cc3..e66de095 100644
--- a/app/main/img.js
+++ b/app/main/img.js
@@ -6,38 +6,33 @@ function img(mainWindow, dir) {
 	var ipc = electron.ipcMain
 	const BrowserWindow = electron.BrowserWindow
 	ipc.on('file-select', (e, args) => {
-		dialog.showOpenDialog(
-			null,
-			{
-				properties: ['openFile', 'multiSelections'],
-				title: '添付ファイルを選択',
-				defaultPath: '.',
-				filters: [
-					{
-						name: 'メディアファイル',
-						extensions: ['jpg', 'png', 'gif', 'bmp', 'jpeg', 'mp4', 'webm']
-					},
-					{ name: '画像', extensions: ['jpg', 'png', 'gif', 'bmp', 'jpeg'] },
-					{ name: '動画', extensions: ['mp4', 'webm'] },
-					{ name: '全てのファイル', extensions: ['*'] }
-				]
-			},
-			fileNames => {
-				if (!fileNames) {
-					return false
-				}
-				for (var i = 0; i < fileNames.length; i++) {
-					var path = fileNames[i]
-					var bin = fs.readFileSync(path, 'base64')
-					e.sender.webContents.send('resizeJudgement', [bin, 'new'])
-				}
-			}
-		)
+		let fileNames = dialog.showOpenDialogSync(mainWindow, {
+			properties: ['openFile', 'multiSelections'],
+			title: '添付ファイルを選択',
+			defaultPath: '.',
+			filters: [
+				{
+					name: 'メディアファイル',
+					extensions: ['jpg', 'png', 'gif', 'bmp', 'jpeg', 'mp4', 'webm'],
+				},
+				{ name: '画像', extensions: ['jpg', 'png', 'gif', 'bmp', 'jpeg'] },
+				{ name: '動画', extensions: ['mp4', 'webm'] },
+				{ name: '全てのファイル', extensions: ['*'] },
+			],
+		})
+		if (!fileNames) {
+			return false
+		}
+		for (var i = 0; i < fileNames.length; i++) {
+			var path = fileNames[i]
+			var bin = fs.readFileSync(path, 'base64')
+			e.sender.webContents.send('resizeJudgement', [bin, 'new'])
+		}
 	})
 	ipc.on('bmp-image', (e, args) => {
-		Jimp.read(args[0], function(err, lenna) {
+		Jimp.read(args[0], function (err, lenna) {
 			if (err) throw err
-			lenna.getBase64(Jimp.MIME_PNG, function(err, src) {
+			lenna.getBase64(Jimp.MIME_PNG, function (err, src) {
 				e.sender.webContents.send('bmp-img-comp', [src, args[1]])
 			})
 		})
@@ -51,9 +46,9 @@ function img(mainWindow, dir) {
 		}
 		var b64 = args[0].replace(/^data:\w+\/\w+;base64,/, '')
 		var decodedFile = new Buffer(b64, 'base64')
-		Jimp.read(decodedFile, function(err, lenna) {
+		Jimp.read(decodedFile, function (err, lenna) {
 			if (err) throw err
-			lenna.scaleToFit(args[1], args[1]).getBase64(Jimp[use], function(err, src) {
+			lenna.scaleToFit(args[1], args[1]).getBase64(Jimp[use], function (err, src) {
 				e.sender.webContents.send('bmp-img-comp', [src, args[1]])
 			})
 		})
@@ -63,24 +58,24 @@ function img(mainWindow, dir) {
 		var b64 = args[0].replace(/^data:\w+\/\w+;base64,/, '')
 		var decodedFile = new Buffer(b64, 'base64')
 		console.log(text)
-		Jimp.read(decodedFile, function(err, image) {
+		Jimp.read(decodedFile, function (err, image) {
 			if (err) throw err
-			Jimp.loadFont(Jimp.FONT_SANS_16_BLACK).then(font => {
+			Jimp.loadFont(Jimp.FONT_SANS_16_BLACK).then((font) => {
 				var evWidth = Jimp.measureText(font, text)
 				var width = image.bitmap.width
 				var height = image.bitmap.height
 				var left = width - evWidth - 10
 				var top = height - 30
-                var color = Jimp.intToRGBA(image.getPixelColor(left, top))
-                console.log(left, top, color)
+				var color = Jimp.intToRGBA(image.getPixelColor(left, top))
+				console.log(left, top, color)
 				var ave = (color.r + color.g + color.b) / 3
 				if (ave > 128) {
-					image.print(font, left, top, args[1]).getBase64(Jimp.MIME_PNG, function(err, src) {
+					image.print(font, left, top, args[1]).getBase64(Jimp.MIME_PNG, function (err, src) {
 						e.sender.webContents.send('bmp-img-comp', [src, args[1], true])
 					})
 				} else {
-					Jimp.loadFont(Jimp.FONT_SANS_16_WHITE).then(font => {
-						image.print(font, left, top, args[1]).getBase64(Jimp.MIME_PNG, function(err, src) {
+					Jimp.loadFont(Jimp.FONT_SANS_16_WHITE).then((font) => {
+						image.print(font, left, top, args[1]).getBase64(Jimp.MIME_PNG, function (err, src) {
 							e.sender.webContents.send('bmp-img-comp', [src, args[1], true])
 						})
 					})