diff --git a/designer-base/src/com/fr/design/actions/file/SwitchExistEnv.java b/designer-base/src/com/fr/design/actions/file/SwitchExistEnv.java
index d58c6cc7fa..278dfe5ccb 100644
--- a/designer-base/src/com/fr/design/actions/file/SwitchExistEnv.java
+++ b/designer-base/src/com/fr/design/actions/file/SwitchExistEnv.java
@@ -1,14 +1,13 @@
 package com.fr.design.actions.file;
 
 import com.fr.base.BaseUtils;
-import com.fr.base.Env;
-import com.fr.base.FRContext;
-import com.fr.dav.LocalEnv;
+import com.fr.base.env.resource.LocalEnvConfig;
+import com.fr.base.env.resource.RemoteEnvConfig;
+import com.fr.core.env.EnvConfig;
 import com.fr.design.DesignerEnvManager;
 import com.fr.design.actions.UpdateAction;
 import com.fr.design.data.DesignTableDataManager;
 import com.fr.design.data.tabledata.ResponseDataSourceChange;
-import com.fr.design.dialog.InformationWarnPane;
 import com.fr.design.file.HistoryTemplateListPane;
 import com.fr.design.mainframe.DesignerContext;
 import com.fr.design.mainframe.JTemplate;
@@ -18,21 +17,17 @@ import com.fr.design.menu.MenuDef;
 import com.fr.design.menu.SeparatorDef;
 import com.fr.env.RemoteEnv;
 import com.fr.env.SignIn;
-import com.fr.general.ComparatorUtils;
 import com.fr.general.GeneralContext;
 import com.fr.general.Inter;
 import com.fr.log.FineLoggerFactory;
 import com.fr.stable.EnvChangedListener;
-import com.fr.stable.ProductConstants;
-import com.fr.stable.StringUtils;
 
-import javax.swing.*;
+import javax.swing.JOptionPane;
 import java.awt.event.ActionEvent;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 
-
 public class SwitchExistEnv extends MenuDef {
 
     public SwitchExistEnv() {
@@ -41,18 +36,20 @@ public class SwitchExistEnv extends MenuDef {
         this.setHasScrollSubMenu(true);
         initMenuDef();
         JTemplate<?, ?> t = HistoryTemplateListPane.getInstance().getCurrentEditingTemplate();
-        if(t != null) {
-            GeneralContext.addEnvWillChangedListener(t.getFullPathName(), new EnvChangedListener() {
-                public void envChanged() {
-                    SwitchExistEnv.this.clearShortCuts();
-                    initMenuDef();
-                }
-            });
+        if (t != null) {
+            GeneralContext.addEnvWillChangedListener(
+                    t.getFullPathName(),
+                    new EnvChangedListener() {
+                        public void envChanged() {
+                            SwitchExistEnv.this.clearShortCuts();
+                            initMenuDef();
+                        }
+                    });
         }
     }
 
     private void initMenuDef() {
-        //ButtonGroup group = new ButtonGroup();
+        // ButtonGroup group = new ButtonGroup();
         Iterator<String> nameIt = DesignerEnvManager.getEnvManager().getEnvNameIterator();
         while (nameIt.hasNext()) {
             String name = nameIt.next();
@@ -65,15 +62,14 @@ public class SwitchExistEnv extends MenuDef {
 
     public static class GetExistEnvAction extends UpdateAction implements ResponseDataSourceChange {
         public GetExistEnvAction() {
-
         }
 
         public GetExistEnvAction(String envName) {
             this.setName(envName);
-            Env env = DesignerEnvManager.getEnvManager().getEnv(envName);
-            if (env instanceof LocalEnv) {
+            EnvConfig env = DesignerEnvManager.getEnvManager().getEnv(envName);
+            if (env instanceof LocalEnvConfig) {
                 this.setSmallIcon(BaseUtils.readIcon("com/fr/design/images/data/bind/localconnect.png"));
-            } else if (env instanceof RemoteEnv) {
+            } else if (env instanceof RemoteEnvConfig) {
                 this.setSmallIcon(BaseUtils.readIcon("com/fr/design/images/data/bind/distanceconnect.png"));
             }
         }
@@ -101,28 +97,24 @@ public class SwitchExistEnv extends MenuDef {
          */
         public void actionPerformed(ActionEvent e) {
             DesignerEnvManager envManager = DesignerEnvManager.getEnvManager();
-            Env selectedEnv = envManager.getEnv(this.getName());
+            EnvConfig selectedEnv = envManager.getEnv(this.getName());
             try {
                 if (selectedEnv instanceof RemoteEnv && !((RemoteEnv) selectedEnv).testServerConnection()) {
-                    JOptionPane.showMessageDialog(DesignerContext.getDesignerFrame(), Inter.getLocText(new String[]{"M-SwitchWorkspace", "Failed"}));
-                    return;
-                }
-                String remoteVersion = selectedEnv.getDesignerVersion();
-                if (StringUtils.isBlank(remoteVersion) || ComparatorUtils.compare(remoteVersion, ProductConstants.DESIGNER_VERSION) < 0) {
-                    String infor = Inter.getLocText("Server-version-tip");
-                    String moreInfo = Inter.getLocText("Server-version-tip-moreInfo");
-                    FineLoggerFactory.getLogger().error(infor);
-                    new InformationWarnPane(infor, moreInfo, Inter.getLocText("Tooltips")).show();
+                    JOptionPane.showMessageDialog(
+                            DesignerContext.getDesignerFrame(),
+                            Inter.getLocText(new String[]{"M-SwitchWorkspace", "Failed"}));
                     return;
                 }
                 SignIn.signIn(selectedEnv);
                 HistoryTemplateListPane.getInstance().getCurrentEditingTemplate().refreshToolArea();
                 fireDSChanged();
             } catch (Exception em) {
-                FRContext.getLogger().error(em.getMessage(), em);
-                JOptionPane.showMessageDialog(DesignerContext.getDesignerFrame(), Inter.getLocText(new String[]{"M-SwitchWorkspace", "Failed"}));
+                FineLoggerFactory.getLogger().error(em.getMessage(), em);
+                JOptionPane.showMessageDialog(
+                        DesignerContext.getDesignerFrame(),
+                        Inter.getLocText(new String[]{"M-SwitchWorkspace", "Failed"}));
                 TemplatePane.getInstance().editItems();
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/designer-base/src/com/fr/design/mainframe/loghandler/DesignerLogHandler.java b/designer-base/src/com/fr/design/mainframe/loghandler/DesignerLogHandler.java
index ebc69aef58..846583538b 100644
--- a/designer-base/src/com/fr/design/mainframe/loghandler/DesignerLogHandler.java
+++ b/designer-base/src/com/fr/design/mainframe/loghandler/DesignerLogHandler.java
@@ -9,6 +9,7 @@ import com.fr.design.layout.FRGUIPaneFactory;
 import com.fr.general.ComparatorUtils;
 import com.fr.general.GeneralContext;
 import com.fr.general.Inter;
+import com.fr.general.LogRecordTime;
 import com.fr.general.log.Log4jConfig;
 import com.fr.log.FineLoggerFactory;
 import com.fr.log.LogHandler;
@@ -341,4 +342,8 @@ public class DesignerLogHandler {
         };
 
     }
+
+    public void printRemoteLog(LogRecordTime logRecordTime) {
+        logHandlerArea.printStackTrace(logRecordTime);
+    }
 }
\ No newline at end of file