diff --git a/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaEditorKit.java b/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaEditorKit.java
index 277064c2f9..de97867fbb 100644
--- a/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaEditorKit.java
+++ b/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaEditorKit.java
@@ -741,10 +741,10 @@ public class RTextAreaEditorKit extends DefaultEditorKit {
 		public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
 			Font font = textArea.getFont();
 			float oldSize = font.getSize2D();
-			float newSize = oldSize - decreaseAmount;
+			double newSize = (double)oldSize - (double)decreaseAmount;
 			if (newSize>=MINIMUM_SIZE) {
 				// Shrink by decreaseAmount.
-				font = font.deriveFont(newSize);
+				font = font.deriveFont((float)newSize);
 				textArea.setFont(font);
 			}
 			else if (oldSize>MINIMUM_SIZE) {
@@ -1329,10 +1329,10 @@ public class RTextAreaEditorKit extends DefaultEditorKit {
 		public void actionPerformedImpl(ActionEvent e, RTextArea textArea) {
 			Font font = textArea.getFont();
 			float oldSize = font.getSize2D();
-			float newSize = oldSize + increaseAmount;
+			double newSize = (double)oldSize + (double)increaseAmount;
 			if (newSize<=MAXIMUM_SIZE) {
 				// Grow by increaseAmount.
-				font = font.deriveFont(newSize);
+				font = font.deriveFont((float)newSize);
 				textArea.setFont(font);
 			}
 			else if (oldSize<MAXIMUM_SIZE) {
diff --git a/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaUI.java b/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaUI.java
index 536209f0f4..3e9ed4bb46 100644
--- a/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaUI.java
+++ b/designer-base/src/main/java/com/fr/design/gui/syntax/ui/rtextarea/RTextAreaUI.java
@@ -463,9 +463,10 @@ public class RTextAreaUI extends BasicTextAreaUI {
 				if (textArea.getFadeCurrentLineHighlight()) {
 					Graphics2D g2d = (Graphics2D)g;
 					Color bg = textArea.getBackground();
+					float visibleWidth = (float)(visibleRect.x + visibleRect.width);
 					GradientPaint paint = new GradientPaint(
 						visibleRect.x,0, highlight,
-						visibleRect.x+visibleRect.width,0,
+							visibleWidth,0,
 								bg==null ? Color.WHITE : bg);
 					g2d.setPaint(paint);
 					g2d.fillRect(visibleRect.x,textArea.currentCaretY,
diff --git a/designer-base/src/main/java/com/fr/design/gui/toast/Toast.java b/designer-base/src/main/java/com/fr/design/gui/toast/Toast.java
index a062fddc93..f0da1d4c96 100644
--- a/designer-base/src/main/java/com/fr/design/gui/toast/Toast.java
+++ b/designer-base/src/main/java/com/fr/design/gui/toast/Toast.java
@@ -42,7 +42,7 @@ public class Toast extends JFrame {
         //int x = (int) (owner.getLocation().getX() + (owner.getWidth() / 2));
         int x = (int) (owner.getLocation().getX() + owner.getWidth() - textWidth);
 
-        int y = (int) (owner.getLocation().getY() + owner.getHeight() / 2);
+        int y = (int) (owner.getLocation().getY() + (double)owner.getHeight() / 2);
         setLocation(new Point(x, y));
 
 
@@ -110,7 +110,7 @@ public class Toast extends JFrame {
                 try {
                     Toast toastFrame = new Toast(owner, toastText);
                     toastFrame.fadeIn();
-                    Thread.sleep(durationSec * 1000);
+                    Thread.sleep((long)durationSec * 1000);
                     toastFrame.fadeOut();
                 } catch (Exception ex) {
                     ex.printStackTrace();
diff --git a/designer-base/src/main/java/com/fr/design/layout/FRGUIPaneFactory.java b/designer-base/src/main/java/com/fr/design/layout/FRGUIPaneFactory.java
index 90a5bc9586..0c3a067a95 100644
--- a/designer-base/src/main/java/com/fr/design/layout/FRGUIPaneFactory.java
+++ b/designer-base/src/main/java/com/fr/design/layout/FRGUIPaneFactory.java
@@ -558,15 +558,15 @@ public class FRGUIPaneFactory {
      */
     public static int caculateWidth(int width) {
         int w = 0;
-        float m = (width + WIDTH_OFFSET_M) / WIDTH_PARA_F;
-        float n = (width + WIDTH_OFFSET_N) / WIDTH_PARA_F;
-        float i = Math.abs((((int) m + (int) (m + 1)) / WIDTHABS_PARA_F) - m);
-        float j = Math.abs((((int) n + (int) (n + 1)) / WIDTHABS_PARA_F) - n);
-        float x = i > j ? i : j;
+        double m = (double)(width + WIDTH_OFFSET_M) / (double)WIDTH_PARA_F;
+        double n = (double)(width + WIDTH_OFFSET_N ) / (double)WIDTH_PARA_F;
+        double i = Math.abs(((double) ((int) m + (int) (m + 1)) / WIDTHABS_PARA_F) - m);
+        double j = Math.abs(((double) ((int) n + (int) (n + 1)) / WIDTHABS_PARA_F) - n);
+        double x = i > j ? i : j;
         if (AssistUtils.equals(x, i)) {
-            w = Math.round(m) * WIDTH_PARA_INT - WIDTH_OFFSET_M;
+            w = (int) (Math.round(m) * WIDTH_PARA_INT - WIDTH_OFFSET_M);
         } else if (AssistUtils.equals(x, j)) {
-            w = Math.round(n) * WIDTH_PARA_INT - WIDTH_OFFSET_N;
+            w = (int) (Math.round(n) * WIDTH_PARA_INT - WIDTH_OFFSET_N);
         }
         return w;
     }
@@ -579,7 +579,7 @@ public class FRGUIPaneFactory {
      */
     public static int caculateHeight(int height) {
         int h = 0;
-        float x = (height + HEIGHT_OFFSET) / HEIGHT_PARA;
+        double x = (double)(height + HEIGHT_OFFSET) / HEIGHT_PARA;
         h = ((int) x + 1) * HEIGHT_PARA;
         return h;
     }
diff --git a/designer-base/src/main/java/com/fr/design/layout/TableLayoutHelper.java b/designer-base/src/main/java/com/fr/design/layout/TableLayoutHelper.java
index b26e057ef5..1be77c8492 100644
--- a/designer-base/src/main/java/com/fr/design/layout/TableLayoutHelper.java
+++ b/designer-base/src/main/java/com/fr/design/layout/TableLayoutHelper.java
@@ -372,7 +372,7 @@ public class TableLayoutHelper {
         double p = TableLayout.PREFERRED;
         double f = TableLayout.FILL;
         JPanel jp1 = TableLayoutHelper.createTableLayoutPane(createTestComponents("jp1"), TableLayoutHelper.FILL_NONE);
-        JPanel jp2 = TableLayoutHelper.createGapTableLayoutPane(createTestComponents("jp2"), TableLayoutHelper.FILL_LASTCOL_AND_ROW, 2 * TEN, 2 * TEN);
+        JPanel jp2 = TableLayoutHelper.createGapTableLayoutPane(createTestComponents("jp2"), TableLayoutHelper.FILL_LASTCOL_AND_ROW, (double)2 * TEN, (double)2 * TEN);
         JPanel jp3 = TableLayoutHelper.createGapTableLayoutPane(createTestComponents("jp3"),
                 new double[]{f, p, f, p}, new double[]{f, f}, 4, 4);
         JPanel jp4 = TableLayoutHelper.createGapTableLayoutPane(createTestComponents("jp4"),
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/PatternBackgroundQuickPane.java b/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/PatternBackgroundQuickPane.java
index 5e69d9f829..9da1344dcd 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/PatternBackgroundQuickPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/PatternBackgroundQuickPane.java
@@ -164,11 +164,11 @@ public class PatternBackgroundQuickPane extends BackgroundQuickPane {
             Graphics2D g2d = (Graphics2D) g;
 
             Dimension d = getSize();
-            this.patternBackground.paint(g2d, new Rectangle2D.Double(0, 0, d.width - 1, d.height - 1));
+            this.patternBackground.paint(g2d, new Rectangle2D.Double(0, 0, (double)d.width - 1, (double)d.height - 1));
 
             if (this.pIndex == patternIndex) {// it's selected.
                 g2d.setPaint(UIConstants.LINE_COLOR);
-                GraphHelper.draw(g2d, new Rectangle2D.Double(0, 0, d.width - 1, d.height - 1));
+                GraphHelper.draw(g2d, new Rectangle2D.Double(0, 0, (double)d.width - 1, (double)d.height - 1));
             }
         }
 
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/TextureBackgroundQuickPane.java b/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/TextureBackgroundQuickPane.java
index 773498502a..0d94bf3bce 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/TextureBackgroundQuickPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/backgroundpane/TextureBackgroundQuickPane.java
@@ -101,7 +101,7 @@ public class TextureBackgroundQuickPane extends BackgroundQuickPane {
 			Dimension d = getSize();
 
 			g2d.setPaint(this.buttonTexturePaint);
-			GraphHelper.fill(g2d, new Rectangle2D.Double(0, 0, d.width - 1, d.height - 1));
+			GraphHelper.fill(g2d, new Rectangle2D.Double(0, 0, (double) d.width - 1, (double)d.height - 1));
 
 			if (ComparatorUtils.equals(texturePaint, this.buttonTexturePaint)) {// it's
 				// selected.
@@ -109,7 +109,7 @@ public class TextureBackgroundQuickPane extends BackgroundQuickPane {
 			} else {
 				g2d.setPaint(null);
 			}
-			GraphHelper.draw(g2d, new Rectangle2D.Double(0, 0, d.width - 1, d.height - 1));
+			GraphHelper.draw(g2d, new Rectangle2D.Double(0, 0, (double)d.width - 1, (double) d.height - 1));
 		}
 
 		public Dimension getPreferredSize() {