diff --git a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/action/sprite/SpriteBase.java b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/action/sprite/SpriteBase.java
index 70c6a7ee..b7a843cb 100644
--- a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/action/sprite/SpriteBase.java
+++ b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/action/sprite/SpriteBase.java
@@ -1250,6 +1250,34 @@ public T getParentBefore(final QueryEvent<T> test) {
 		return prev;
 	}
 
+	public float measureWidth() {
+		if (_childrens == null) {
+			return 0f;
+		}
+		float max = 0;
+		for (int i = this._childrens.size - 1; i > -1; i--) {
+			T spr = _childrens.get(i);
+			if (spr.isVisible()) {
+				max = MathUtils.max(spr.getScaleX() + spr.getWidth(), max);
+			}
+		}
+		return max;
+	}
+
+	public float measureHeight() {
+		if (_childrens == null) {
+			return 0f;
+		}
+		float max = 0;
+		for (int i = this._childrens.size - 1; i > -1; i--) {
+			T spr = _childrens.get(i);
+			if (spr.isVisible()) {
+				max = MathUtils.max(spr.getScaleY() + spr.getHeight(), max);
+			}
+		}
+		return max;
+	}
+
 	@Override
 	public boolean isVisible() {
 		return this._visible;
diff --git a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/component/LContainer.java b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/component/LContainer.java
index 610d3f69..a1913ccf 100644
--- a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/component/LContainer.java
+++ b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/component/LContainer.java
@@ -1475,6 +1475,13 @@ public LContainer setChildIndex(int index, LComponent comp) {
 		return this;
 	}
 
+	public LComponent getChildByIndex(int idx) {
+		if (this._childs == null || (idx < 0 || idx > this._childCount - 1)) {
+			return null;
+		}
+		return this._childs[idx];
+	}
+
 	public int getChildIndex(LComponent comp) {
 		if (comp == null) {
 			return -1;
@@ -1721,6 +1728,14 @@ public void setChildExpandCount(int e) {
 		this._childExpandCount = e;
 	}
 
+	public float measureWidth() {
+		return getContextWidth();
+	}
+
+	public float measureHeight() {
+		return getContextHeight();
+	}
+
 	public Margin margin(boolean vertical, float left, float top, float right, float bottom) {
 		float size = vertical ? getHeight() : getWidth();
 		if (_component_isClose) {
diff --git a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/font/BMFont.java b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/font/BMFont.java
index be1e032c..7ac12fbe 100644
--- a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/font/BMFont.java
+++ b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/font/BMFont.java
@@ -195,7 +195,7 @@ private void parse(String text) throws LSysException {
 				char ch = info.charAt(i);
 				if (ch == newSpaceFlag && sbr.length() > 0) {
 					String result = sbr.toString().toLowerCase().trim();
-					String[] list = StringUtils.split(result, '=');
+					String[] list = StringUtils.split(result, LSystem.EQUAL);
 					if (list.length == 2) {
 						if (list[0].equals("size")) {
 							_size = (int) Float.parseFloat(list[1]);
@@ -732,5 +732,4 @@ public String toString() {
 		return builder.toString();
 	}
 
-
 }
diff --git a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/geom/Affine2f.java b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/geom/Affine2f.java
index f3e5954d..26b457b3 100644
--- a/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/geom/Affine2f.java
+++ b/Java/Loon-Lite(PureJava)/LoonLiteCore/src/loon/geom/Affine2f.java
@@ -96,6 +96,51 @@ public final static Affine2f ofRect(BoxSize r) {
 		return xform;
 	}
 
+	public final static RectBox transformRect(RectBox rect, Affine2f aff) {
+		if (rect == null) {
+			return rect;
+		}
+		float x = rect.x, y = rect.y, width = rect.width, height = rect.height;
+		if (x != 0f || y != 0f) {
+			aff.appendTransform(0, 0, 1, 1, 0, 0, 0, -x, -y);
+		}
+		float x_a = width * aff.m00, x_b = width * aff.m01;
+		float y_c = height * aff.m10, y_d = height * aff.m11;
+		float tx = aff.tx, ty = aff.ty;
+		float minX = tx, maxX = tx, minY = ty, maxY = ty;
+		if ((x = x_a + tx) < minX) {
+			minX = x;
+		} else if (x > maxX) {
+			maxX = x;
+		}
+		if ((x = x_a + y_c + tx) < minX) {
+			minX = x;
+		} else if (x > maxX) {
+			maxX = x;
+		}
+		if ((x = y_c + tx) < minX) {
+			minX = x;
+		} else if (x > maxX) {
+			maxX = x;
+		}
+		if ((y = x_b + ty) < minY) {
+			minY = y;
+		} else if (y > maxY) {
+			maxY = y;
+		}
+		if ((y = x_b + y_d + ty) < minY) {
+			minY = y;
+		} else if (y > maxY) {
+			maxY = y;
+		}
+		if ((y = y_d + ty) < minY) {
+			minY = y;
+		} else if (y > maxY) {
+			maxY = y;
+		}
+		return rect.set(minX, minY, maxX - minX, maxY - minY);
+	}
+
 	public final static Affine2f transform(Affine2f tx, float x, float y, int transform) {
 		switch (transform) {
 		case TRANS_ROT90: {
@@ -1328,6 +1373,33 @@ public Affine2f prepend(Affine2f other) {
 		return prepend(other.m00, other.m10, other.m01, other.m11, other.tx, other.ty);
 	}
 
+	public Affine2f prependTransform(float x, float y, float scaleX, float scaleY, float rotation, float skewX,
+			float skewY, float regX, float regY) {
+		float cos;
+		float sin;
+		if (rotation % 360 != 0f) {
+			float r = rotation * MathUtils.DEG_TO_RAD;
+			cos = MathUtils.cos(r);
+			sin = MathUtils.sin(r);
+		} else {
+			cos = 1f;
+			sin = 0f;
+		}
+		if (skewX != 0f || skewY != 0f) {
+			skewX *= MathUtils.DEG_TO_RAD;
+			skewY *= MathUtils.DEG_TO_RAD;
+			this.prepend(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, 0, 0);
+			this.prepend(MathUtils.cos(skewY), MathUtils.sin(skewY), -MathUtils.sin(skewX), MathUtils.cos(skewX), x, y);
+		} else {
+			this.prepend(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, x, y);
+		}
+		if (regX != 0f || regY != 0f) {
+			this.tx -= regX * this.m00 + regY * this.m10;
+			this.ty -= regX * this.m01 + regY * this.m11;
+		}
+		return this;
+	}
+
 	/**
 	 * 让矩阵后置一组新矩阵数据
 	 * 
@@ -1365,6 +1437,33 @@ public Affine2f append(Affine2f other) {
 		return append(other.m00, other.m10, other.m01, other.m11, other.tx, other.ty);
 	}
 
+	public Affine2f appendTransform(float x, float y, float scaleX, float scaleY, float rotation, float skewX,
+			float skewY, float regX, float regY) {
+		float cos;
+		float sin;
+		if (rotation % 360 != 0f) {
+			float r = rotation * MathUtils.DEG_TO_RAD;
+			cos = MathUtils.cos(r);
+			sin = MathUtils.sin(r);
+		} else {
+			cos = 1f;
+			sin = 0f;
+		}
+		if (skewX != 0f || skewY != 0f) {
+			skewX *= MathUtils.DEG_TO_RAD;
+			skewY *= MathUtils.DEG_TO_RAD;
+			this.append(MathUtils.cos(skewY), MathUtils.sin(skewY), -MathUtils.sin(skewX), MathUtils.cos(skewX), x, y);
+			this.append(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, 0, 0);
+		} else {
+			this.append(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, x, y);
+		}
+		if (regX != 0f || regY != 0f) {
+			this.tx -= regX * this.m00 + regY * this.m10;
+			this.ty -= regX * this.m01 + regY * this.m11;
+		}
+		return this;
+	}
+
 	/**
 	 * 以线性插值方式构建一个新的矩阵
 	 * 
diff --git a/Java/Loon-Neo/src/loon/action/sprite/SpriteBase.java b/Java/Loon-Neo/src/loon/action/sprite/SpriteBase.java
index 70c6a7ee..b7a843cb 100644
--- a/Java/Loon-Neo/src/loon/action/sprite/SpriteBase.java
+++ b/Java/Loon-Neo/src/loon/action/sprite/SpriteBase.java
@@ -1250,6 +1250,34 @@ public T getParentBefore(final QueryEvent<T> test) {
 		return prev;
 	}
 
+	public float measureWidth() {
+		if (_childrens == null) {
+			return 0f;
+		}
+		float max = 0;
+		for (int i = this._childrens.size - 1; i > -1; i--) {
+			T spr = _childrens.get(i);
+			if (spr.isVisible()) {
+				max = MathUtils.max(spr.getScaleX() + spr.getWidth(), max);
+			}
+		}
+		return max;
+	}
+
+	public float measureHeight() {
+		if (_childrens == null) {
+			return 0f;
+		}
+		float max = 0;
+		for (int i = this._childrens.size - 1; i > -1; i--) {
+			T spr = _childrens.get(i);
+			if (spr.isVisible()) {
+				max = MathUtils.max(spr.getScaleY() + spr.getHeight(), max);
+			}
+		}
+		return max;
+	}
+
 	@Override
 	public boolean isVisible() {
 		return this._visible;
diff --git a/Java/Loon-Neo/src/loon/component/LComponent.java b/Java/Loon-Neo/src/loon/component/LComponent.java
index 3c30b07d..73fee7af 100644
--- a/Java/Loon-Neo/src/loon/component/LComponent.java
+++ b/Java/Loon-Neo/src/loon/component/LComponent.java
@@ -1917,7 +1917,7 @@ public LComponent moveInScreen() {
 		}
 		return this;
 	}
-
+	
 	@Override
 	public LComponent setFlipX(boolean x) {
 		this._flipX = x;
diff --git a/Java/Loon-Neo/src/loon/component/LContainer.java b/Java/Loon-Neo/src/loon/component/LContainer.java
index 610d3f69..a1913ccf 100644
--- a/Java/Loon-Neo/src/loon/component/LContainer.java
+++ b/Java/Loon-Neo/src/loon/component/LContainer.java
@@ -1475,6 +1475,13 @@ public LContainer setChildIndex(int index, LComponent comp) {
 		return this;
 	}
 
+	public LComponent getChildByIndex(int idx) {
+		if (this._childs == null || (idx < 0 || idx > this._childCount - 1)) {
+			return null;
+		}
+		return this._childs[idx];
+	}
+
 	public int getChildIndex(LComponent comp) {
 		if (comp == null) {
 			return -1;
@@ -1721,6 +1728,14 @@ public void setChildExpandCount(int e) {
 		this._childExpandCount = e;
 	}
 
+	public float measureWidth() {
+		return getContextWidth();
+	}
+
+	public float measureHeight() {
+		return getContextHeight();
+	}
+
 	public Margin margin(boolean vertical, float left, float top, float right, float bottom) {
 		float size = vertical ? getHeight() : getWidth();
 		if (_component_isClose) {
diff --git a/Java/Loon-Neo/src/loon/font/BMFont.java b/Java/Loon-Neo/src/loon/font/BMFont.java
index 02206fc9..9af7d1fd 100644
--- a/Java/Loon-Neo/src/loon/font/BMFont.java
+++ b/Java/Loon-Neo/src/loon/font/BMFont.java
@@ -205,7 +205,7 @@ private void parse(String text) throws LSysException {
 				char ch = info.charAt(i);
 				if (ch == newSpaceFlag && sbr.length() > 0) {
 					String result = sbr.toString().toLowerCase().trim();
-					String[] list = StringUtils.split(result, '=');
+					String[] list = StringUtils.split(result, LSystem.EQUAL);
 					if (list.length == 2) {
 						if (list[0].equals("size")) {
 							_size = (int) Float.parseFloat(list[1]);
diff --git a/Java/Loon-Neo/src/loon/geom/Affine2f.java b/Java/Loon-Neo/src/loon/geom/Affine2f.java
index 2dc31fd2..40617619 100644
--- a/Java/Loon-Neo/src/loon/geom/Affine2f.java
+++ b/Java/Loon-Neo/src/loon/geom/Affine2f.java
@@ -96,6 +96,51 @@ public final static Affine2f ofRect(BoxSize r) {
 		return xform;
 	}
 
+	public final static RectBox transformRect(RectBox rect, Affine2f aff) {
+		if (rect == null) {
+			return rect;
+		}
+		float x = rect.x, y = rect.y, width = rect.width, height = rect.height;
+		if (x != 0f || y != 0f) {
+			aff.appendTransform(0, 0, 1, 1, 0, 0, 0, -x, -y);
+		}
+		float x_a = width * aff.m00, x_b = width * aff.m01;
+		float y_c = height * aff.m10, y_d = height * aff.m11;
+		float tx = aff.tx, ty = aff.ty;
+		float minX = tx, maxX = tx, minY = ty, maxY = ty;
+		if ((x = x_a + tx) < minX) {
+			minX = x;
+		} else if (x > maxX) {
+			maxX = x;
+		}
+		if ((x = x_a + y_c + tx) < minX) {
+			minX = x;
+		} else if (x > maxX) {
+			maxX = x;
+		}
+		if ((x = y_c + tx) < minX) {
+			minX = x;
+		} else if (x > maxX) {
+			maxX = x;
+		}
+		if ((y = x_b + ty) < minY) {
+			minY = y;
+		} else if (y > maxY) {
+			maxY = y;
+		}
+		if ((y = x_b + y_d + ty) < minY) {
+			minY = y;
+		} else if (y > maxY) {
+			maxY = y;
+		}
+		if ((y = y_d + ty) < minY) {
+			minY = y;
+		} else if (y > maxY) {
+			maxY = y;
+		}
+		return rect.set(minX, minY, maxX - minX, maxY - minY);
+	}
+
 	public final static Affine2f transform(Affine2f tx, float x, float y, int transform) {
 		switch (transform) {
 		case TRANS_ROT90: {
@@ -1400,6 +1445,33 @@ public Affine2f prepend(Affine2f other) {
 		return prepend(other.m00, other.m10, other.m01, other.m11, other.tx, other.ty);
 	}
 
+	public Affine2f prependTransform(float x, float y, float scaleX, float scaleY, float rotation, float skewX,
+			float skewY, float regX, float regY) {
+		float cos;
+		float sin;
+		if (rotation % 360 != 0f) {
+			float r = rotation * MathUtils.DEG_TO_RAD;
+			cos = MathUtils.cos(r);
+			sin = MathUtils.sin(r);
+		} else {
+			cos = 1f;
+			sin = 0f;
+		}
+		if (skewX != 0f || skewY != 0f) {
+			skewX *= MathUtils.DEG_TO_RAD;
+			skewY *= MathUtils.DEG_TO_RAD;
+			this.prepend(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, 0, 0);
+			this.prepend(MathUtils.cos(skewY), MathUtils.sin(skewY), -MathUtils.sin(skewX), MathUtils.cos(skewX), x, y);
+		} else {
+			this.prepend(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, x, y);
+		}
+		if (regX != 0f || regY != 0f) {
+			this.tx -= regX * this.m00 + regY * this.m10;
+			this.ty -= regX * this.m01 + regY * this.m11;
+		}
+		return this;
+	}
+
 	/**
 	 * 让矩阵后置一组新矩阵数据
 	 * 
@@ -1437,6 +1509,33 @@ public Affine2f append(Affine2f other) {
 		return append(other.m00, other.m10, other.m01, other.m11, other.tx, other.ty);
 	}
 
+	public Affine2f appendTransform(float x, float y, float scaleX, float scaleY, float rotation, float skewX,
+			float skewY, float regX, float regY) {
+		float cos;
+		float sin;
+		if (rotation % 360 != 0f) {
+			float r = rotation * MathUtils.DEG_TO_RAD;
+			cos = MathUtils.cos(r);
+			sin = MathUtils.sin(r);
+		} else {
+			cos = 1f;
+			sin = 0f;
+		}
+		if (skewX != 0f || skewY != 0f) {
+			skewX *= MathUtils.DEG_TO_RAD;
+			skewY *= MathUtils.DEG_TO_RAD;
+			this.append(MathUtils.cos(skewY), MathUtils.sin(skewY), -MathUtils.sin(skewX), MathUtils.cos(skewX), x, y);
+			this.append(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, 0, 0);
+		} else {
+			this.append(cos * scaleX, sin * scaleX, -sin * scaleY, cos * scaleY, x, y);
+		}
+		if (regX != 0f || regY != 0f) {
+			this.tx -= regX * this.m00 + regY * this.m10;
+			this.ty -= regX * this.m01 + regY * this.m11;
+		}
+		return this;
+	}
+
 	/**
 	 * 以线性插值方式构建一个新的矩阵
 	 *