diff --git a/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java b/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
index c6488d330..791d679b3 100644
--- a/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
+++ b/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
@@ -240,7 +240,7 @@ public class DesignerEnvManager implements XMLReadable, XMLWriter {
         String installHome = StableUtils.getInstallHome();
         //这里不判断路径是.的情况，放在checkValid方法里面，重新选
         if (installHome != null) {
-            String name = com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Engine_DEFAULT");
+            String name = Toolkit.i18nText("Fine-Design_Basic_Engine_DEFAULT");
             String envPath = designerEnvManager.getDefaultenvPath(installHome);
             designerEnvManager.putEnv(name, LocalDesignerWorkspaceInfo.create(name, envPath));
             designerEnvManager.setCurEnvName(name);
@@ -304,8 +304,8 @@ public class DesignerEnvManager implements XMLReadable, XMLWriter {
                 String today = calender.get(Calendar.YEAR) + "-" + (calender.get(Calendar.MONTH) + 1) + "-" + calender.get(Calendar.DAY_OF_MONTH);
 
                 String fileName = StableUtils.pathJoin(logLocation, "fr_" + today + "_%g.log");
-                if (!new java.io.File(fileName).exists()) {
-                    StableUtils.makesureFileExist(new java.io.File(fileName));
+                if (!new File(fileName).exists()) {
+                    StableUtils.makesureFileExist(new File(fileName));
                 }
                 Handler handler = new FileHandler(fileName, true);
 
@@ -529,7 +529,7 @@ public class DesignerEnvManager implements XMLReadable, XMLWriter {
                 return env;
             }
         }
-        String name = com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Workspace_Default");
+        String name = Toolkit.i18nText("Fine-Design_Basic_Workspace_Default");
         LocalDesignerWorkspaceInfo newDefaultEnv = LocalDesignerWorkspaceInfo.create(name, defaultenvPath);
         this.putEnv(name, newDefaultEnv);
         return newDefaultEnv;
@@ -552,7 +552,7 @@ public class DesignerEnvManager implements XMLReadable, XMLWriter {
                 }
             }
         }
-        return com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Workspace_Default");
+        return Toolkit.i18nText("Fine-Design_Basic_Workspace_Default");
     }
 
 
@@ -1643,7 +1643,7 @@ public class DesignerEnvManager implements XMLReadable, XMLWriter {
         if ((tmpVal = reader.getAttrAsString("webinfLocation", null)) != null) {
             // marks:兼容6.1的
             // marks:设置默认的目录.
-            String curReportServerName = com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Server_Embedded_Server");
+            String curReportServerName = Toolkit.i18nText("Fine-Design_Basic_Server_Embedded_Server");
             LocalDesignerWorkspaceInfo reportServer = LocalDesignerWorkspaceInfo.create(curReportServerName, tmpVal);
 
             this.putEnv(curReportServerName, reportServer);
diff --git a/designer-base/src/main/java/com/fr/design/gui/icontainer/UIResizableContainer.java b/designer-base/src/main/java/com/fr/design/gui/icontainer/UIResizableContainer.java
index 4f4ac9e3b..f3f45768f 100644
--- a/designer-base/src/main/java/com/fr/design/gui/icontainer/UIResizableContainer.java
+++ b/designer-base/src/main/java/com/fr/design/gui/icontainer/UIResizableContainer.java
@@ -1,12 +1,10 @@
 package com.fr.design.gui.icontainer;
 
-import com.fr.base.BaseUtils;
 import com.fr.base.vcs.DesignerMode;
 import com.fr.design.constants.UIConstants;
 import com.fr.design.mainframe.DesignerContext;
 import com.fr.stable.Constants;
 import com.fr.design.utils.gui.GUICoreUtils;
-import com.fr.stable.collections.utils.MathUtils;
 
 import javax.swing.*;
 import java.awt.*;
@@ -159,8 +157,7 @@ public class UIResizableContainer extends JPanel {
     }
 
     /**
-     * 设置关闭设计器前最后一次上下子面板的高度
-     *
+     * 设置关闭设计器前最新的上子面板的高度比例
      * @param toolPaneY
      */
     public void setLastToolPaneY(int toolPaneY) {
@@ -242,10 +239,10 @@ public class UIResizableContainer extends JPanel {
             if (parentHeight == -1) {
                 // 初始化下parentheight，存一下当前的父容器height
                 parentHeight = parent.getHeight();
-            } else if (parentHeight != parent.getHeight()) {
-                // parentHeight与父容器height不等时，代表用户调整分辨率或者dpi了，此时调整toolPaneY
-                toolPaneY = toolPaneY * parent.getHeight() / parentHeight;
-                toolPaneY = Math.min(toolPaneY, (parent.getHeight() - toolPaneHeight));
+            }
+            if (parentHeight != parent.getHeight() && (parent.getHeight() - toolPaneHeight) >= 0) {
+                // 调整toolPaneY，保证至少水平的拖拽条horizontToolPane不丢失
+                toolPaneY = Math.min(toolPaneY, parent.getHeight() - toolPaneHeight);
                 parentHeight = parent.getHeight();
             }
         }
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/WestRegionContainerPane.java b/designer-base/src/main/java/com/fr/design/mainframe/WestRegionContainerPane.java
index 23c642dbd..004fbd55a 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/WestRegionContainerPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/WestRegionContainerPane.java
@@ -32,11 +32,11 @@ public class WestRegionContainerPane extends UIResizableContainer {
 
     public WestRegionContainerPane() {
         super(DesignerFrameFileDealerPane.getInstance(), Constants.RIGHT);
-    
+
         setDownPane(TableDataTreePane.getInstance(DesignModelAdapter.getCurrentModelAdapter()));
-    
+
         GeneralContext.listenPluginRunningChanged(new PluginEventListener(TableDataTreePane.PLUGIN_LISTENER_PRIORITY - 1) {
-        
+
             @Override
             public void on(PluginEvent event) {
 
@@ -47,15 +47,15 @@ public class WestRegionContainerPane extends UIResizableContainer {
                 }
             }
         }, new PluginFilter() {
-        
+
             @Override
             public boolean accept(PluginContext context) {
-    
+
                 return context.contain(PluginModule.ExtraDesign);
             }
         });
-    
+
         setContainerWidth(165);
         setBackground(UIConstants.TREE_BACKGROUND);
     }
-}
\ No newline at end of file
+}