diff --git a/public/libs/actions.js b/public/libs/actions.js
index 118aed6..4019cbd 100644
--- a/public/libs/actions.js
+++ b/public/libs/actions.js
@@ -365,22 +365,6 @@ actions.prototype._sys_keyDown_lockControl = function (keyCode) {
 };
 
 actions.prototype._sys_keyDown = function (keyCode) {
-    if (!core.status.played) return true;
-    return true;
-    switch (keyCode) {
-        case 37:
-            core.moveHero('left');
-            break;
-        case 38:
-            core.moveHero('up');
-            break;
-        case 39:
-            core.moveHero('right');
-            break;
-        case 40:
-            core.moveHero('down');
-            break;
-    }
     return true;
 };
 
@@ -496,10 +480,10 @@ actions.prototype._sys_keyUp = function (keyCode, altKey) {
 
 ////// 点击（触摸）事件按下时 //////
 actions.prototype.ondown = function (loc) {
-    var x = parseInt(loc.x / loc.size),
-        y = parseInt(loc.y / loc.size);
-    var px = parseInt(loc.x / core.domStyle.scale),
-        py = parseInt(loc.y / core.domStyle.scale);
+    var x = Math.floor(loc.x / loc.size),
+        y = Math.floor(loc.y / loc.size);
+    var px = Math.floor(loc.x / core.domStyle.scale),
+        py = Math.floor(loc.y / core.domStyle.scale);
     this.doRegisteredAction('ondown', x, y, px, py);
 };
 
@@ -628,10 +612,10 @@ actions.prototype._sys_ondown = function (x, y, px, py) {
 
 ////// 当在触摸屏上滑动时 //////
 actions.prototype.onmove = function (loc) {
-    var x = parseInt(loc.x / loc.size),
-        y = parseInt(loc.y / loc.size);
-    var px = parseInt(loc.x / core.domStyle.scale),
-        py = parseInt(loc.y / core.domStyle.scale);
+    var x = Math.floor(loc.x / loc.size),
+        y = Math.floor(loc.y / loc.size);
+    var px = Math.floor(loc.x / core.domStyle.scale),
+        py = Math.floor(loc.y / core.domStyle.scale);
     this.doRegisteredAction('onmove', x, y, px, py);
 };
 
@@ -681,8 +665,8 @@ actions.prototype._sys_onmove = function (x, y, px, py) {
 
     if ((core.status.stepPostfix || []).length > 0) {
         var pos = {
-            x: parseInt((px + core.bigmap.offsetX) / 32),
-            y: parseInt((py + core.bigmap.offsetY) / 32)
+            x: Math.floor((px + core.bigmap.offsetX) / 32),
+            y: Math.floor((py + core.bigmap.offsetY) / 32)
         };
         var pos0 = core.status.stepPostfix[core.status.stepPostfix.length - 1];
         var directionDistance = [
@@ -725,10 +709,10 @@ actions.prototype._sys_onmove = function (x, y, px, py) {
 
 ////// 当点击（触摸）事件放开时 //////
 actions.prototype.onup = function (loc) {
-    var x = parseInt(loc.x / loc.size),
-        y = parseInt(loc.y / loc.size);
-    var px = parseInt(loc.x / core.domStyle.scale),
-        py = parseInt(loc.y / core.domStyle.scale);
+    var x = Math.floor(loc.x / loc.size),
+        y = Math.floor(loc.y / loc.size);
+    var px = Math.floor(loc.x / core.domStyle.scale),
+        py = Math.floor(loc.y / core.domStyle.scale);
     this.doRegisteredAction('onup', x, y, px, py);
 };
 
@@ -962,7 +946,7 @@ actions.prototype._sys_longClick_lockControl = function (x, y, px, py) {
 actions.prototype._getChoicesTopIndex = function (length) {
     return (
         this._HY_ -
-        parseInt((length - 1) / 2) +
+        Math.floor((length - 1) / 2) +
         (core.status.event.ui.offset || 0)
     );
 };
@@ -1546,7 +1530,7 @@ actions.prototype._clickQuickShop = function (x, y) {
     if (this._out(x)) return;
     var topIndex =
         this._HY_ -
-        parseInt(shopIds.length / 2) +
+        Math.floor(shopIds.length / 2) +
         (core.status.event.ui.offset || 0);
     if (y >= topIndex && y < topIndex + shopIds.length) {
         var shopId = shopIds[y - topIndex];
@@ -1625,7 +1609,7 @@ actions.prototype._clickSL = function (x, y) {
             if (core.status.event.data.mode == 'fav')
                 core.ui._drawSLPanel(1, true);
             else {
-                page = parseInt((core.saves.saveIndex - 1) / 5);
+                page = Math.floor((core.saves.saveIndex - 1) / 5);
                 offset = core.saves.saveIndex - 5 * page;
                 core.ui._drawSLPanel(10 * page + offset, true);
             }
@@ -1633,8 +1617,8 @@ actions.prototype._clickSL = function (x, y) {
         return;
     }
     // 点存档名
-    var xLeft = parseInt(core._WIDTH_ / 3),
-        xRight = parseInt((core._WIDTH_ * 2) / 3);
+    var xLeft = Math.floor(core._WIDTH_ / 3),
+        xRight = Math.floor((core._WIDTH_ * 2) / 3);
     var topY1 = 0,
         topY2 = this._HY_;
     if (y >= topY1 && y <= topY1 + 1) {
@@ -1884,8 +1868,8 @@ actions.prototype._clickSwitchs_sounds = function (x, y) {
         var width = choices[selection].width;
         var leftPos = (core._PX_ - width) / 2,
             rightPos = (core._PX_ + width) / 2;
-        var leftGrid = parseInt(leftPos / 32),
-            rightGrid = parseInt(rightPos / 32) - 1;
+        var leftGrid = Math.floor(leftPos / 32),
+            rightGrid = Math.floor(rightPos / 32) - 1;
         core.status.event.selection = selection;
         switch (selection) {
             case 0:
@@ -1977,8 +1961,8 @@ actions.prototype._clickSwitchs_display = function (x, y) {
         var width = choices[selection].width;
         var leftPos = (core._PX_ - width) / 2,
             rightPos = (core._PX_ + width) / 2;
-        var leftGrid = parseInt(leftPos / 32),
-            rightGrid = parseInt(rightPos / 32) - 1;
+        var leftGrid = Math.floor(leftPos / 32),
+            rightGrid = Math.floor(rightPos / 32) - 1;
         core.status.event.selection = selection;
         switch (selection) {
             case 0:
@@ -2113,8 +2097,8 @@ actions.prototype._clickSwitchs_action = function (x, y) {
         var width = choices[selection].width;
         var leftPos = (core._PX_ - width) / 2,
             rightPos = (core._PX_ + width) / 2;
-        var leftGrid = parseInt(leftPos / 32),
-            rightGrid = parseInt(rightPos / 32) - 1;
+        var leftGrid = Math.floor(leftPos / 32),
+            rightGrid = Math.floor(rightPos / 32) - 1;
         core.status.event.selection = selection;
         switch (selection) {
             case 0:
@@ -2789,7 +2773,7 @@ actions.prototype._clickReplay_fromLoad = function () {
     core.status.event.selection = null;
     core.clearUI();
     var saveIndex = core.saves.saveIndex;
-    var page = parseInt((saveIndex - 1) / 5),
+    var page = Math.floor((saveIndex - 1) / 5),
         offset = saveIndex - 5 * page;
     core.ui._drawSLPanel(10 * page + offset);
 };
@@ -2807,7 +2791,7 @@ actions.prototype._clickReplay_replayRemain = function () {
             core.status.event.id = 'replayRemain';
             core.lockControl();
             var saveIndex = core.saves.saveIndex;
-            var page = parseInt((saveIndex - 1) / 5),
+            var page = Math.floor((saveIndex - 1) / 5),
                 offset = saveIndex - 5 * page;
             core.ui._drawSLPanel(10 * page + offset);
         }
@@ -2828,7 +2812,7 @@ actions.prototype._clickReplay_replaySince = function () {
             core.status.event.id = 'replaySince';
             core.lockControl();
             var saveIndex = core.saves.saveIndex;
-            var page = parseInt((saveIndex - 1) / 5),
+            var page = Math.floor((saveIndex - 1) / 5),
                 offset = saveIndex - 5 * page;
             core.ui._drawSLPanel(10 * page + offset);
         }
diff --git a/public/libs/control.js b/public/libs/control.js
index 05f4f5d..17d63cd 100644
--- a/public/libs/control.js
+++ b/public/libs/control.js
@@ -905,7 +905,7 @@ control.prototype.setHeroOpacity = function (
 
     var fromOpacity = core.getFlag('__heroOpacity__', 1);
     var step = 0,
-        steps = parseInt(time / 10);
+        steps = Math.floor(time / 10);
     if (steps <= 0) steps = 1;
     var moveFunc = core.applyEasing(moveMode);
 
@@ -996,8 +996,8 @@ control.prototype.updateViewport = function () {
             core.bigmap.offsetY >= core.bigmap.posY * 32 + 32 ||
             core.bigmap.offsetY <= core.bigmap.posY * 32 - 32
         ) {
-            core.bigmap.posX = parseInt(core.bigmap.offsetX / 32);
-            core.bigmap.posY = parseInt(core.bigmap.offsetY / 32);
+            core.bigmap.posX = Math.floor(core.bigmap.offsetX / 32);
+            core.bigmap.posY = Math.floor(core.bigmap.offsetY / 32);
             core.redrawMap();
         }
     } else {
@@ -1027,8 +1027,8 @@ control.prototype.updateViewport = function () {
             if (ox != null && oy != null) {
                 core.relocateCanvas(
                     one,
-                    parseInt(ox) - core.bigmap.offsetX,
-                    parseInt(oy) - core.bigmap.offsetY
+                    Number(ox) - core.bigmap.offsetX,
+                    Number(oy) - core.bigmap.offsetY
                 );
             }
         }
@@ -1062,7 +1062,7 @@ control.prototype.moveViewport = function (x, y, moveMode, time, callback) {
     time /= Math.max(core.status.replay.speed, 1);
     var per_time = 10,
         step = 0,
-        steps = parseInt(time / per_time);
+        steps = Math.floor(time / per_time);
     if (steps <= 0) {
         this.setViewport(32 * x, 32 * y);
         if (callback) callback();
@@ -1499,7 +1499,7 @@ control.prototype._replay_SL = function () {
     core.lockControl();
     core.status.event.id = 'save';
     var saveIndex = core.saves.saveIndex;
-    var page = parseInt((saveIndex - 1) / 5),
+    var page = Math.floor((saveIndex - 1) / 5),
         offset = saveIndex - 5 * page;
 
     core.ui._drawSLPanel(10 * page + offset);
@@ -2259,7 +2259,7 @@ control.prototype._doSL_replayRemain_afterGet = function (id, data) {
             core.status.event.id = 'replayRemain';
             core.lockControl();
             var saveIndex = core.saves.saveIndex;
-            var page = parseInt((saveIndex - 1) / 5),
+            var page = Math.floor((saveIndex - 1) / 5),
                 offset = saveIndex - 5 * page;
             core.ui._drawSLPanel(10 * page + offset);
         }
@@ -2959,7 +2959,7 @@ control.prototype._setCurtain_animate = function (
     time /= Math.max(core.status.replay.speed, 1);
     var per_time = 10,
         step = 0,
-        steps = parseInt(time / per_time);
+        steps = Math.floor(time / per_time);
     if (steps <= 0) steps = 1;
     var curr = nowColor;
     var moveFunc = core.applyEasing(moveMode);
diff --git a/public/libs/events.js b/public/libs/events.js
index 25bdfea..c1b0a35 100644
--- a/public/libs/events.js
+++ b/public/libs/events.js
@@ -2947,15 +2947,15 @@ events.prototype.__action_wait_getValue = function (value) {
     value %= 1e8;
     if (value >= 1000000) {
         core.setFlag('type', 1);
-        var px = parseInt((value - 1000000) / 1000),
+        var px = Math.floor((value - 1000000) / 1000),
             py = value % 1000;
         core.setFlag('px', px);
         core.setFlag('py', py);
-        core.setFlag('x', parseInt(px / 32));
-        core.setFlag('y', parseInt(py / 32));
+        core.setFlag('x', Math.floor(px / 32));
+        core.setFlag('y', Math.floor(py / 32));
     } else if (value >= 10000) {
         core.setFlag('type', 1);
-        var x = parseInt((value - 10000) / 100),
+        var x = Math.floor((value - 10000) / 100),
             y = value % 100;
         core.setFlag('px', 32 * x + 16);
         core.setFlag('py', 32 * y + 16);
@@ -3404,7 +3404,7 @@ events.prototype.save = function (fromUserAction) {
         return;
     if (!this._checkStatus('save', fromUserAction)) return;
     var saveIndex = core.saves.saveIndex;
-    var page = parseInt((saveIndex - 1) / 5),
+    var page = Math.floor((saveIndex - 1) / 5),
         offset = saveIndex - 5 * page;
     core.playSound('打开界面');
     core.ui._drawSLPanel(10 * page + offset);
@@ -3414,7 +3414,7 @@ events.prototype.save = function (fromUserAction) {
 events.prototype.load = function (fromUserAction) {
     if (core.isReplaying()) return;
     var saveIndex = core.saves.saveIndex;
-    var page = parseInt((saveIndex - 1) / 5),
+    var page = Math.floor((saveIndex - 1) / 5),
         offset = saveIndex - 5 * page;
     // 游戏开始前读档
     if (!core.isPlaying()) {
@@ -3788,8 +3788,8 @@ events.prototype._moveTextBox_moving = function (ctx, moveInfo, callback) {
         var dy = moveInfo.dy * moveFunc(step / steps);
         core.relocateCanvas(
             ctx,
-            parseInt(moveInfo.ox + dx),
-            parseInt(moveInfo.oy + dy)
+            Math.floor(moveInfo.ox + dx),
+            Math.floor(moveInfo.oy + dy)
         );
         ctx.canvas.setAttribute('_text_left', moveInfo.sx + dx);
         ctx.canvas.setAttribute('_text_top', moveInfo.sy + dy);
@@ -4018,7 +4018,7 @@ events.prototype.moveImage = function (
 events.prototype._moveImage_moving = function (name, moveInfo, callback) {
     var per_time = 10,
         step = 0,
-        steps = parseInt(moveInfo.time / per_time);
+        steps = Math.floor(moveInfo.time / per_time);
     if (steps <= 0) steps = 1;
     var fromX = moveInfo.fromX,
         fromY = moveInfo.fromY,
@@ -4033,8 +4033,8 @@ events.prototype._moveImage_moving = function (name, moveInfo, callback) {
     var animate = setInterval(function () {
         step++;
         currOpacity = opacity + (toOpacity - opacity) * moveFunc(step / steps);
-        currX = parseInt(fromX + (toX - fromX) * moveFunc(step / steps));
-        currY = parseInt(fromY + (toY - fromY) * moveFunc(step / steps));
+        currX = Math.floor(fromX + (toX - fromX) * moveFunc(step / steps));
+        currY = Math.floor(fromY + (toY - fromY) * moveFunc(step / steps));
         core.setOpacity(name, currOpacity);
         core.relocateCanvas(name, currX, currY);
         if (step == steps) {
@@ -4089,7 +4089,7 @@ events.prototype.rotateImage = function (
 events.prototype._rotateImage_rotating = function (name, rotateInfo, callback) {
     var per_time = 10,
         step = 0,
-        steps = parseInt(rotateInfo.time / per_time);
+        steps = Math.floor(rotateInfo.time / per_time);
     if (steps <= 0) steps = 1;
     var moveFunc = core.applyEasing(rotateInfo.moveMode);
     var animate = setInterval(function () {
@@ -4183,7 +4183,7 @@ events.prototype._scaleImage_scale = function (ctx, scaleInfo, callback) {
 
     var per_time = 10,
         step = 0,
-        steps = parseInt(scaleInfo.time / per_time);
+        steps = Math.floor(scaleInfo.time / per_time);
     if (steps <= 0) steps = 1;
     var moveFunc = core.applyEasing(scaleInfo.moveMode);
 
@@ -4239,7 +4239,7 @@ events.prototype.setVolume = function (value, time, callback) {
     time /= Math.max(core.status.replay.speed, 1);
     var per_time = 10,
         step = 0,
-        steps = parseInt(time / per_time);
+        steps = Math.floor(time / per_time);
     if (steps <= 0) steps = 1;
     var animate = setInterval(function () {
         step++;
@@ -4265,7 +4265,7 @@ events.prototype.vibrate = function (direction, time, speed, power, callback) {
     speed = speed || 10;
     power = power || 10;
     var shakeInfo = {
-        duration: parseInt(time / 10),
+        duration: Math.floor(time / 10),
         speed: speed,
         power: power,
         direction: 1,
diff --git a/public/libs/icons.js b/public/libs/icons.js
index d385aed..80d456f 100644
--- a/public/libs/icons.js
+++ b/public/libs/icons.js
@@ -68,7 +68,7 @@ icons.prototype.getTilesetOffset = function (id) {
             height = Math.floor(parseInt(img.getAttribute('_height')) / 32);
         if (id >= startOffset && id < startOffset + width * height) {
             var x = (id - startOffset) % width,
-                y = parseInt((id - startOffset) / width);
+                y = Math.floor((id - startOffset) / width);
             return { image: imgName, x: x, y: y };
         }
         startOffset += this.tilesetStartOffset;
diff --git a/public/libs/maps.js b/public/libs/maps.js
index 3bc2526..4b48167 100644
--- a/public/libs/maps.js
+++ b/public/libs/maps.js
@@ -2069,7 +2069,7 @@ maps.prototype._drawAutotile = function (
         yy = block.y;
     var autotile = core.material.images['autotile'][block.event.id];
     status = status || 0;
-    status %= parseInt(autotile.width / 96);
+    status %= Math.floor(autotile.width / 96);
     var done = {};
     var isGrass = function (x, y) {
         if (
@@ -2341,7 +2341,7 @@ maps.prototype._drawAutotile_renderCut = function (
             16,
             16,
             x + ((i % 2) * size) / 2,
-            y + (parseInt(i / 2) * size) / 2,
+            y + (Math.floor(i / 2) * size) / 2,
             size / 2,
             size / 2
         );
@@ -2361,7 +2361,7 @@ maps.prototype._drawAutotile_drawBlockByIndex = function (
     var sx = 16 * ((index - 1) % 6),
         sy = 16 * ~~((index - 1) / 6);
     status = status || 0;
-    status %= parseInt(autotileImg.width / 96);
+    status %= Math.floor(autotileImg.width / 96);
     core.drawImage(
         ctx,
         autotileImg,
@@ -3339,7 +3339,8 @@ maps.prototype.setBlock = function (number, x, y, floorId, noredraw) {
     )
         return;
     if (typeof number == 'string') {
-        if (/^\d+$/.test(number)) number = parseInt(number);
+        const num = Number(number);
+        if (!isNaN(num)) number = num;
         else number = core.getNumberById(number);
     }
 
@@ -3414,7 +3415,8 @@ maps.prototype.animateSetBlock = function (
         return;
     }
     if (typeof number == 'string') {
-        if (/^\d+$/.test(number)) number = parseInt(number);
+        const num = Number(number);
+        if (!isNaN(num)) number = num;
         else number = core.getNumberById(number);
     }
     var originBlock = core.getBlock(x, y, floorId, true);
@@ -3606,7 +3608,8 @@ maps.prototype.setBgFgBlock = function (name, number, x, y, floorId) {
     if (!name || (!name.startsWith('bg') && !name.startsWith('fg'))) return;
 
     if (typeof number == 'string') {
-        if (/^\d+$/.test(number)) number = parseInt(number);
+        const num = Number(number);
+        if (!isNaN(num)) number = num;
         else number = core.getNumberById(number);
     }
 
@@ -4151,7 +4154,7 @@ maps.prototype._animateBlock_doAnimate = function (
     callback
 ) {
     var step = 0,
-        steps = Math.max(parseInt(time / 10), 1);
+        steps = Math.max(Math.floor(time / 10), 1);
     var cb = function () {
         list.forEach(function (t) {
             if (t.blockInfo) core.maps._deleteDetachedBlock(t.canvases);
diff --git a/public/libs/ui.js b/public/libs/ui.js
index 1bf7ede..88af564 100644
--- a/public/libs/ui.js
+++ b/public/libs/ui.js
@@ -1686,7 +1686,7 @@ ui.prototype.drawTextContent = function (ctx, content, config) {
         Math.round(config.fontSize / 4),
         config.lineHeight - config.fontSize
     );
-    config.topMargin = parseInt(config.lineMargin / 2);
+    config.topMargin = Math.floor(config.lineMargin / 2);
     config.lineMaxHeight = config.lineMargin + config.fontSize;
     config.offsetX = 0;
     config.offsetY = 0;
@@ -2359,10 +2359,10 @@ ui.prototype._drawTextBox_getVerticalPosition = function (
     } else if (titleInfo.image) height = Math.max(height, 90);
 
     var yoffset = 16;
-    var top = parseInt((core._PY_ - height) / 2);
+    var top = Math.floor((core._PY_ - height) / 2);
     switch (posInfo.position) {
         case 'center':
-            top = parseInt((core._PY_ - height) / 2);
+            top = Math.floor((core._PY_ - height) / 2);
             break;
         case 'up':
             if (posInfo.px == null || posInfo.py == null)
@@ -2933,7 +2933,7 @@ ui.prototype.drawConfirmBox = function (text, yesCallback, noCallback, ctx) {
         var strokeLeft =
             core._PX_ / 2 +
             (76 * core.status.event.selection - 38) -
-            parseInt(len / 2) -
+            Math.floor(len / 2) -
             5;
 
         if (isWindowSkin) {
@@ -2973,7 +2973,7 @@ ui.prototype._drawConfirmBox_getRect = function (contents, ctx) {
     var max_width = contents.reduce(function (pre, curr) {
         return Math.max(pre, core.calWidth(ctx, curr));
     }, 0);
-    var left = Math.min(core._PX_ / 2 - 40 - parseInt(max_width / 2), 100),
+    var left = Math.min(core._PX_ / 2 - 40 - Math.floor(max_width / 2), 100),
         right = core._PX_ - left;
     var top = core._PY_ / 2 - 68 - (contents.length - 1) * 30,
         bottom = core._PY_ / 2 + 68;
@@ -2995,7 +2995,7 @@ ui.prototype.drawWaiting = function (text) {
     text = core.replaceText(text || '');
     var text_length = core.calWidth('ui', text, this._buildFont(19, true));
     var width = Math.max(text_length + 80, 220),
-        left = core._PX_ / 2 - parseInt(width / 2),
+        left = core._PX_ / 2 - Math.floor(width / 2),
         right = left + width;
     var top = core._PY_ / 2 - 48,
         height = 96,
@@ -3204,7 +3204,7 @@ ui.prototype.drawPagination = function (page, totalPage, y) {
     core.fillText(
         'ui',
         page + ' / ' + totalPage,
-        parseInt((core._PX_ - length) / 2),
+        Math.floor((core._PX_ - length) / 2),
         y * 32 + 19
     );
 
@@ -3434,8 +3434,8 @@ ui.prototype._drawViewMaps_buildData = function (index, x, y) {
     var floorId = core.floorIds[index],
         mw = core.floors[floorId].width,
         mh = core.floors[floorId].height;
-    if (x == null) x = parseInt(mw / 2);
-    if (y == null) y = parseInt(mh / 2);
+    if (x == null) x = Math.floor(mw / 2);
+    if (y == null) y = Math.floor(mh / 2);
     x = core.clamp(x, core._HALF_WIDTH_, mw - core._HALF_WIDTH_ - 1);
     y = core.clamp(y, core._HALF_HEIGHT_, mh - core._HALF_HEIGHT_ - 1);
 
@@ -3473,7 +3473,7 @@ ui.prototype._drawSLPanel = function (index, refresh) {
     if (index == null) index = 1;
     if (index < 0) index = 0;
 
-    var page = parseInt(index / 10),
+    var page = Math.floor(index / 10),
         offset = index % 10;
     var max_page = main.savePages || 30;
     if (core.status.event.data && core.status.event.data.mode == 'fav')
@@ -3617,7 +3617,7 @@ ui.prototype._drawSLPanel_drawRecord = function (
                 'ui',
                 data.hard,
                 x,
-                parseInt(y + 22 + h / 2),
+                Math.floor(y + 22 + h / 2),
                 data.hero.flags.__hardColor__ || 'white',
                 this._buildFont(30, true)
             );
@@ -3695,7 +3695,7 @@ ui.prototype._drawSLPanel_drawRecord = function (
             'ui',
             '空',
             x,
-            parseInt(y + 22 + h / 2),
+            Math.floor(y + 22 + h / 2),
             '#FFFFFF',
             this._buildFont(30, true)
         );
@@ -3729,10 +3729,10 @@ ui.prototype._drawSLPanel_drawRecords = function (n) {
             title = (core.saves.favoriteName[real_id] || name + real_id) + ' ✐';
         }
         var charSize = 32; // 字体占用像素范围
-        var topSpan = parseInt(
+        var topSpan = Math.floor(
             (core._PY_ - charSize - 2 * (charSize * 2 + size * core._PY_)) / 3
         ); // Margin
-        var yTop1 = topSpan + parseInt(charSize / 2) + 8; // 文字的中心
+        var yTop1 = topSpan + Math.floor(charSize / 2) + 8; // 文字的中心
         var yTop2 = yTop1 + charSize * 2 + size * core._PY_ + topSpan;
         if (i < 3) {
             this._drawSLPanel_drawRecord(
diff --git a/public/libs/utils.js b/public/libs/utils.js
index 0c6722b..a058897 100644
--- a/public/libs/utils.js
+++ b/public/libs/utils.js
@@ -535,17 +535,18 @@ utils.prototype.formatDate2 = function (date) {
 
 utils.prototype.formatTime = function (time) {
     return (
-        core.setTwoDigits(parseInt(time / 3600000)) +
+        core.setTwoDigits(Math.floor(time / 3600000)) +
         ':' +
-        core.setTwoDigits(parseInt(time / 60000) % 60) +
+        core.setTwoDigits(Math.floor(time / 60000) % 60) +
         ':' +
-        core.setTwoDigits(parseInt(time / 1000) % 60)
+        core.setTwoDigits(Math.floor(time / 1000) % 60)
     );
 };
 
 ////// 两位数显示 //////
 utils.prototype.setTwoDigits = function (x) {
-    return parseInt(x) < 10 && parseInt(x) >= 0 ? '0' + x : x;
+    const num = Number(x);
+    return num < 10 && num >= 0 ? '0' + x : x;
 };
 
 utils.prototype.formatSize = function (size) {