diff --git a/web/kiri/engine.html b/web/kiri/engine.html
index 5a5445d6..05aa5766 100644
--- a/web/kiri/engine.html
+++ b/web/kiri/engine.html
@@ -251,61 +251,61 @@
             // should to call widget.setTopZ here ideally
             .then(eng => eng.setMode("LASER"))
             .then(eng => eng.setStock({
-                "x": 25,
-                "y": 25,
-                "z": 24.999998092651367,
-                "center": {
-                    "x": 0,
-                    "y": 0,
-                    "z": 12.499999046325684
+                x: 25,
+                y: 25,
+                z: 24.999998092651367,
+                center: {
+                    x: 0,
+                    y: 0,
+                    z: 12.499999046325684
                 }
             }))
             .then(eng => eng.setProcess({
-                "processName": "default",
-                "ctSliceKerf": 0.1,
-                "ctSliceHeight": 0.5,
-                "ctSliceHeightMin": 0,
-                "ctSliceSingle": false,
-                "ctOutTileSpacing": 1,
-                "ctOutPower": 100,
-                "ctOutSpeed": 1000,
-                "ctOutGroup": true,
-                "ctOutZColor": false,
-                "ctOutLayer": false,
-                "ctOutMark": false,
-                "ctOutStack": false,
-                "ctOutMerged": false,
-                "ctOriginCenter": false,
-                "ctOriginBounds": false,
-                "outputInvertX": false,
-                "outputInvertY": false,
-                "ctOutKnifeDepth": 1,
-                "ctOutKnifePasses": 1,
-                "ctOutKnifeTip": 2,
-                "ctOutInches": false,
-                "ctOutShaper": false
+                processName: "default",
+                ctSliceKerf: 0.1,
+                ctSliceHeight: 0.5,
+                ctSliceHeightMin: 0,
+                ctSliceSingle: false,
+                ctOutTileSpacing: 1,
+                ctOutPower: 100,
+                ctOutSpeed: 1000,
+                ctOutGroup: true,
+                ctOutZColor: false,
+                ctOutLayer: false,
+                ctOutMark: false,
+                ctOutStack: false,
+                ctOutMerged: false,
+                ctOriginCenter: false,
+                ctOriginBounds: false,
+                outputInvertX: false,
+                outputInvertY: false,
+                ctOutKnifeDepth: 1,
+                ctOutKnifePasses: 1,
+                ctOutKnifeTip: 2,
+                ctOutInches: false,
+                ctOutShaper: false
             }))
             .then(eng => eng.setDevice({
-                "mode": "LASER",
-                "internal": 0,
-                "bedHeight": 2.5,
-                "bedWidth": 600,
-                "bedDepth": 308,
-                "maxHeight": 150,
-                "gcodePre": [],
-                "gcodePost": [],
-                "gcodeFExt": "svg",
-                "gcodeSpace": true,
-                "gcodeLaserOn": [],
-                "gcodeLaserOff": [],
-                "new": false,
-                "deviceName": "Xtool.P2",
-                "imageURL": "",
-                "laserMaxPower": 255,
-                "bedBelt": false,
-                "bedRound": false,
-                "originCenter": false,
-                "fwRetract": false
+                mode: "LASER",
+                internal: 0,
+                bedHeight: 2.5,
+                bedWidth: 600,
+                bedDepth: 308,
+                maxHeight: 150,
+                gcodePre: [],
+                gcodePost: [],
+                gcodeFExt: "svg",
+                gcodeSpace: true,
+                gcodeLaserOn: [],
+                gcodeLaserOff: [],
+                new: false,
+                deviceName: "Xtool.P2",
+                imageURL: "",
+                laserMaxPower: 255,
+                bedBelt: false,
+                bedRound: false,
+                originCenter: false,
+                fwRetract: false
             }))
             .then(eng => eng.slice())
             .then(eng => eng.prepare())