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 362831325..6d8d5b9c0 100644
--- a/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
+++ b/designer-base/src/main/java/com/fr/design/DesignerEnvManager.java
@@ -1607,7 +1607,7 @@ public class DesignerEnvManager implements XMLReadable, XMLWriter {
         this.setDragPermited(reader.getAttrAsBoolean("isDragPermited", false));
         this.setUndoLimit(reader.getAttrAsInt("undoLimit", 5));
         this.setDefaultStringToFormula(reader.getAttrAsBoolean("defaultStringToFormula", false));
-        this.setVcsEnable(reader.getAttrAsBoolean("supportVcs", false));
+        this.setVcsEnable(reader.getAttrAsBoolean("supportVcs", true));
         this.setSaveCommit(reader.getAttrAsBoolean("saveCommit", false));
         this.setSaveInterval(reader.getAttrAsInt("saveInterval", 60));
         if ((tmpVal = reader.getAttrAsString("gridLineColor", null)) != null) {
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrameFileDealerPane.java b/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrameFileDealerPane.java
index d61d1cf42..7685974df 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrameFileDealerPane.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/DesignerFrameFileDealerPane.java
@@ -461,7 +461,7 @@ public class DesignerFrameFileDealerPane extends JPanel implements FileToolbarSt
     }
 
     private void handleVcsAction() {
-        if (VcsHelper.containsFolderCounts() + VcsHelper.selectedTemplateCounts() > 1) {
+        if (!DesignerEnvManager.getEnvManager().isVcsEnable() || VcsHelper.isUnSelectedTemplate()) {
             vcsAction.setEnabled(false);
             return;
         }
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/vcs/common/VcsHelper.java b/designer-base/src/main/java/com/fr/design/mainframe/vcs/common/VcsHelper.java
index 614c800b3..006603fde 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/vcs/common/VcsHelper.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/vcs/common/VcsHelper.java
@@ -37,7 +37,7 @@ public class VcsHelper {
     public final static Icon VCS_USER_PNG = BaseUtils.readIcon("/com/fr/design/mainframe/vcs/images/icon_user@1x.png");
     public final static Icon VCS_REVERT = BaseUtils.readIcon("/com/fr/design/mainframe/vcs/images/icon_revert.png");
 
-    public static int containsFolderCounts() {
+    private static int containsFolderCounts() {
         TemplateFileTree fileTree = TemplateTreePane.getInstance().getTemplateFileTree();
         if (fileTree.getSelectionPaths() == null) {
             return 0;
@@ -51,7 +51,7 @@ public class VcsHelper {
         return fileTree.getSelectionPaths().length - fileTree.getSelectedTemplatePaths().length;
     }
 
-    public static int selectedTemplateCounts() {
+    private static int selectedTemplateCounts() {
         TemplateFileTree fileTree = TemplateTreePane.getInstance().getTemplateFileTree();
         if (fileTree.getSelectionPaths() == null) {
             return 0;
@@ -60,5 +60,9 @@ public class VcsHelper {
         return fileTree.getSelectedTemplatePaths().length;
     }
 
+    public static boolean isUnSelectedTemplate() {
+        return VcsHelper.containsFolderCounts() + VcsHelper.selectedTemplateCounts() > 1;
+    }
+
 
 }
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionTable.java b/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionTable.java
index 500a57f15..aa9c87ca0 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionTable.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionTable.java
@@ -25,7 +25,9 @@ public class FileVersionTable extends JTable {
     public static FileVersionTable getInstance() {
         if (instance == null) {
             synchronized (FileVersionTable.class) {
-                instance = new FileVersionTable();
+                if (instance == null) {
+                    instance = new FileVersionTable();
+                }
             }
         }
         return instance;
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionsPanel.java b/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionsPanel.java
index dc33d029d..a85a2668e 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionsPanel.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/vcs/ui/FileVersionsPanel.java
@@ -50,8 +50,9 @@ public class FileVersionsPanel extends BasicPane {
     public static FileVersionsPanel getInstance() {
         if (instance == null) {
             synchronized (FileVersionsPanel.class) {
-                instance = new FileVersionsPanel();
-
+                if (instance == null) {
+                    instance = new FileVersionsPanel();
+                }
             }
         }
         return instance;