diff --git a/src/component/dataZoom/SliderZoomModel.ts b/src/component/dataZoom/SliderZoomModel.ts
index 67948a104bb99bf4e6b92139e238bedb80c055b0..5ad643f60e4c87b24d6035dd43a1d7c2c1241ebe 100644
--- a/src/component/dataZoom/SliderZoomModel.ts
+++ b/src/component/dataZoom/SliderZoomModel.ts
@@ -101,10 +101,10 @@ class SliderZoomModel extends DataZoomModel<SliderDataZoomOption> {
         show: true,
 
         // deault value can only be drived in view stage.
-        right: 'auto',  // Default align to grid rect.
-        top: 'auto',    // Default align to grid rect.
-        width: 'auto',  // Default align to grid rect.
-        height: 'auto', // Default align to grid rect.
+        right: 'ph',  // Default align to grid rect.
+        top: 'ph',    // Default align to grid rect.
+        width: 'ph',  // Default align to grid rect.
+        height: 'ph', // Default align to grid rect.
         left: null,   // Default align to grid rect.
         bottom: null, // Default align to grid rect.
 
diff --git a/src/component/dataZoom/SliderZoomView.ts b/src/component/dataZoom/SliderZoomView.ts
index 140d6546ae1c77731e63caec7350d1a9aa64dc55..2399501027cefa9a75405cf512f9400358c0a559 100644
--- a/src/component/dataZoom/SliderZoomView.ts
+++ b/src/component/dataZoom/SliderZoomView.ts
@@ -206,7 +206,7 @@ class SliderZoomView extends DataZoomView {
 
         // Replace the placeholder value.
         each(['right', 'top', 'width', 'height'] as const, function (name) {
-            if (layoutParams[name] === 'auto') {
+            if (layoutParams[name] === 'ph') {
                 layoutParams[name] = positionInfo[name];
             }
         });
diff --git a/src/coord/calendar/Calendar.ts b/src/coord/calendar/Calendar.ts
index c0308079a757eea7ece725d54227982535e7dab0..ae677ad4d959df677098c4fffd842d6453c7c552 100644
--- a/src/coord/calendar/Calendar.ts
+++ b/src/coord/calendar/Calendar.ts
@@ -96,7 +96,7 @@ export interface CalendarCellRect {
 class Calendar implements CoordinateSystem, CoordinateSystemMaster {
 
     static readonly dimensions = ['time', 'value'];
-    static getDimensionInfo() {
+    static getDimensionsInfo() {
         return [{
             name: 'time', type: 'time'
         }, 'value'];
@@ -124,7 +124,7 @@ class Calendar implements CoordinateSystem, CoordinateSystemMaster {
         this._model = calendarModel;
     }
     // Required in createListFromData
-    getDimensionsInfo = Calendar.getDimensionInfo
+    getDimensionsInfo = Calendar.getDimensionsInfo
 
     getRangeInfo() {
         return this._rangeInfo;
diff --git a/src/scale/Interval.ts b/src/scale/Interval.ts
index 8ccac182590c43b8a9ac8a182579aaa1716aea2e..cde922c5d17c1970ee04a5f730d149b598403af4 100644
--- a/src/scale/Interval.ts
+++ b/src/scale/Interval.ts
@@ -27,6 +27,7 @@ var roundNumber = numberUtil.round;
 
 class IntervalScale extends Scale {
 
+    static type = 'interval';
     type = 'interval';
 
     // Step is calculated in adjustExtent.
diff --git a/src/scale/Log.ts b/src/scale/Log.ts
index 04de00834a6fd9ee6967cbaa45f027af3d45d222..8c1f69fdbcf99bc912ad28ed93da8dab4d57abf7 100644
--- a/src/scale/Log.ts
+++ b/src/scale/Log.ts
@@ -41,7 +41,7 @@ var mathPow = Math.pow;
 var mathLog = Math.log;
 
 class LogScale extends Scale {
-
+    static type = 'log';
     readonly type = 'log';
 
     base = 10;
@@ -201,4 +201,7 @@ function fixRoundingError(val: number, originalVal: number): number {
     return roundingErrorFix(val, getPrecisionSafe(originalVal));
 }
 
+
+Scale.registerClass(LogScale);
+
 export default LogScale;
diff --git a/src/scale/Ordinal.ts b/src/scale/Ordinal.ts
index e6cc3daf6e3410b04be7f405425d702b6420e51b..9adc66233b3785ed1d3e81dc9c2d634add874732 100644
--- a/src/scale/Ordinal.ts
+++ b/src/scale/Ordinal.ts
@@ -24,17 +24,18 @@
 
 // FIXME only one data
 
-import * as zrUtil from 'zrender/src/core/util';
 import Scale from './Scale';
 import OrdinalMeta from '../data/OrdinalMeta';
 import List from '../data/List';
 import * as scaleHelper from './helper';
 import { OrdinalRawValue, OrdinalNumber, DimensionLoose } from '../util/types';
 import { AxisBaseOption } from '../coord/axisCommonTypes';
+import { isArray } from 'zrender/src/core/util';
 
 
 class OrdinalScale extends Scale {
 
+    static type = 'ordinal'
     readonly type = 'ordinal'
 
     private _ordinalMeta: OrdinalMeta;
@@ -49,7 +50,7 @@ class OrdinalScale extends Scale {
         var ordinalMeta = this.getSetting('ordinalMeta');
         // Caution: Should not use instanceof, consider ec-extensions using
         // import approach to get OrdinalMeta class.
-        if (!ordinalMeta || zrUtil.isArray(ordinalMeta)) {
+        if (!ordinalMeta || isArray(ordinalMeta)) {
             ordinalMeta = new OrdinalMeta({categories: ordinalMeta});
         }
         this._ordinalMeta = ordinalMeta;
@@ -103,8 +104,10 @@ class OrdinalScale extends Scale {
      */
     getLabel(n: OrdinalNumber): string {
         if (!this.isBlank()) {
+            const cateogry = this._ordinalMeta.categories[n];
             // Note that if no data, ordinalMeta.categories is an empty array.
-            return this._ordinalMeta.categories[n] + '';
+            // Return empty if it's not exist.
+            return cateogry == null ? '' : cateogry + '';
         }
     }
 
diff --git a/src/scale/Time.ts b/src/scale/Time.ts
index ea6df168183de8ae0bc9a3e4496962d859d1648d..3920b54da16716e401bcb4a5eeb90f896126522f 100644
--- a/src/scale/Time.ts
+++ b/src/scale/Time.ts
@@ -42,6 +42,7 @@ import * as numberUtil from '../util/number';
 import * as formatUtil from '../util/format';
 import * as scaleHelper from './helper';
 import IntervalScale from './Interval';
+import Scale from './Scale';
 
 
 var mathCeil = Math.ceil;
@@ -73,6 +74,7 @@ var bisect = function (
 
 class TimeScale extends IntervalScale {
 
+    static type = 'time';
     readonly type = 'time';
 
     private _stepLvl: [string, number];
@@ -231,5 +233,6 @@ var scaleLevels = [
     ['year', ONE_DAY * 380]            // 1Y
 ] as [string, number][];
 
+Scale.registerClass(TimeScale);
 
 export default TimeScale;
diff --git a/src/util/graphic.ts b/src/util/graphic.ts
index c522804aa25630a800d4c3b84ed68e8829996b12..c9fb1885a6cf8a3d725ccdbaa922ecde47b3a192 100644
--- a/src/util/graphic.ts
+++ b/src/util/graphic.ts
@@ -1444,12 +1444,12 @@ export function createIcon(
             ? (
                 (style as ZImageStyleProps).image = iconStr.slice(8),
                 zrUtil.defaults(style, rect),
-                new ZImage(opt)
+                new ZImage(innerOpts)
             )
             : (
                 makePath(
                     iconStr.replace('path://', ''),
-                    opt,
+                    innerOpts,
                     rect,
                     'center'
                 )
diff --git a/src/util/layout.ts b/src/util/layout.ts
index f9c04ebffcf72b7acc47ebf625d524cccd01599c..185e619808027cee91b20b8d7e00d337c1e51d72 100644
--- a/src/util/layout.ts
+++ b/src/util/layout.ts
@@ -77,8 +77,8 @@ function boxLayout(
         var rect = child.getBoundingRect();
         var nextChild = group.childAt(idx + 1);
         var nextChildRect = nextChild && nextChild.getBoundingRect();
-        var nextX;
-        var nextY;
+        var nextX: number;
+        var nextY: number;
 
         if (orient === 'horizontal') {
             var moveX = rect.width + (nextChildRect ? (-nextChildRect.x + rect.x) : 0);