diff --git a/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java b/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java
index a07f42852..720cda9e7 100644
--- a/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java
+++ b/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java
@@ -22,7 +22,7 @@ import com.fr.workspace.WorkContextCallback;
 import com.fr.workspace.Workspace;
 import com.fr.workspace.connect.AuthException;
 
-import javax.swing.JOptionPane;
+import javax.swing.*;
 import java.awt.event.ActionEvent;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -107,28 +107,28 @@ public class SwitchExistEnv extends MenuDef {
             Workspace workspace;
             try {
                 workspace = DesignerWorkspaceGenerator.generate(selectedEnv);
+                if (workspace == null) {
+                    JOptionPane.showMessageDialog(
+                        DesignerContext.getDesignerFrame(),
+                        Inter.getLocText(new String[]{"FR-Designer_M-SwitchWorkspace", "Failed"}));
+                    return;
+                }
+                WorkContext.switchTo(workspace, new WorkContextCallback() {
+        
+                    @Override
+                    public void done() {
+            
+                        DesignerEnvManager.getEnvManager().setCurEnvName(envName);
+                        DesignUtils.refreshDesignerFrame();
+                        HistoryTemplateListPane.getInstance().getCurrentEditingTemplate().refreshToolArea();
+                        fireDSChanged();
+                    }
+                });
             } catch (AuthException exception) {
                 JOptionPane.showMessageDialog(
                         DesignerContext.getDesignerFrame(),
                         Inter.getLocText(new String[]{"Fine-Designer_Basic_Remote_Connect_Auth_Failed"}));
-                return;
             }
-            WorkContext.switchTo(workspace, new WorkContextCallback() {
-                @Override
-                public void success() {
-                    DesignerEnvManager.getEnvManager().setCurEnvName(envName);
-                    DesignUtils.refreshDesignerFrame();
-                    HistoryTemplateListPane.getInstance().getCurrentEditingTemplate().refreshToolArea();
-                    fireDSChanged();
-                }
-
-                @Override
-                public void fail() {
-                    JOptionPane.showMessageDialog(
-                            DesignerContext.getDesignerFrame(),
-                            Inter.getLocText(new String[]{"M-SwitchWorkspace", "Failed"}));
-                }
-            });
         }
     }
 }
diff --git a/designer-base/src/main/java/com/fr/design/env/RemoteWorkspace.java b/designer-base/src/main/java/com/fr/design/env/RemoteWorkspace.java
index c3d2e91c2..d113752c3 100644
--- a/designer-base/src/main/java/com/fr/design/env/RemoteWorkspace.java
+++ b/designer-base/src/main/java/com/fr/design/env/RemoteWorkspace.java
@@ -1,11 +1,12 @@
 package com.fr.design.env;
 
-import com.fr.workspace.server.authority.decision.DecisionOperator;
 import com.fr.locale.InterProviderFactory;
+import com.fr.stable.AssistUtils;
 import com.fr.workspace.WorkContext;
 import com.fr.workspace.Workspace;
 import com.fr.workspace.connect.WorkspaceClient;
 import com.fr.workspace.connect.WorkspaceConnection;
+import com.fr.workspace.server.authority.decision.DecisionOperator;
 
 /**
  * Created by juhaoyu on 2018/6/14.
@@ -17,10 +18,13 @@ public class RemoteWorkspace implements Workspace {
 
     private final String address;
     
+    private final WorkspaceConnection connection;
+    
     RemoteWorkspace(WorkspaceClient client, WorkspaceConnection connection) {
 
         this.client = client;
         this.address = connection.getUrl();
+        this.connection = connection;
     }
 
     @Override
@@ -61,4 +65,16 @@ public class RemoteWorkspace implements Workspace {
 
         return client.getPool().get(type);
     }
+    
+    @Override
+    public int hashCode() {
+        
+        return connection.hashCode();
+    }
+    
+    @Override
+    public boolean equals(Object obj) {
+        
+        return obj != null && obj instanceof RemoteWorkspace && AssistUtils.equals(((RemoteWorkspace) obj).connection, this.connection);
+    }
 }
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/TemplatePane.java b/designer-base/src/main/java/com/fr/design/mainframe/TemplatePane.java
index 4107a0538..e3107c3b4 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/TemplatePane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/TemplatePane.java
@@ -19,6 +19,7 @@ import com.fr.general.Inter;
 import com.fr.stable.EnvChangedListener;
 import com.fr.workspace.WorkContext;
 import com.fr.workspace.WorkContextCallback;
+import com.fr.workspace.Workspace;
 
 import javax.swing.*;
 import java.awt.*;
@@ -132,17 +133,17 @@ public class TemplatePane extends JPanel implements MouseListener {
         DesignerWorkspaceInfo selectedEnv = envManager.getWorkspaceInfo(selectedName);
         GeneralContext.fireEnvWillChangeListener();
         try {
-            WorkContext.switchTo(DesignerWorkspaceGenerator.generate(selectedEnv), new WorkContextCallback() {
-                
-                @Override
-                public void fail() {
-                    
-                    JOptionPane.showMessageDialog(DesignerContext.getDesignerFrame(), Inter.getLocText(new String[]{"M-SwitchWorkspace", "Failed"}),
-                            null, 0, UIManager.getIcon("OptionPane.errorIcon"));
-                }
+            Workspace workspace = DesignerWorkspaceGenerator.generate(selectedEnv);
+            if (workspace == null) {
+                JOptionPane.showMessageDialog(
+                    DesignerContext.getDesignerFrame(),
+                    Inter.getLocText(new String[]{"FR-Designer_M-SwitchWorkspace", "Failed"}));
+                return false;
+            }
+            WorkContext.switchTo(workspace, new WorkContextCallback() {
                 
                 @Override
-                public void success() {
+                public void done() {
                     DesignerEnvManager.getEnvManager().setCurEnvName(selectedName);
                     DesignUtils.refreshDesignerFrame();
                 }