diff --git a/INT63DC_2C.suo b/INT63DC_2C.suo
index 9ba05ad..bdf3c59 100644
Binary files a/INT63DC_2C.suo and b/INT63DC_2C.suo differ
diff --git a/INT63DC_2C/DataStore.cs b/INT63DC_2C/DataStore.cs
index f97cec5..0253971 100644
--- a/INT63DC_2C/DataStore.cs
+++ b/INT63DC_2C/DataStore.cs
@@ -28,8 +28,6 @@ namespace INT63DC_2C
             FormCalibration,
             FormEquipmentTest,
             FormIOTest,
-            FormDataBackup,
-            FormDataBackup_Part11,
             FormTimeSetting,
             FormInformation,
             FormFactory,
@@ -40,6 +38,7 @@ namespace INT63DC_2C
             FormMotorSetting,
             FormUserGroupEditor,
             FormDataViewer,
+            FormDataBackup,
         };
 
         public enum FormMainDisplayStore
diff --git a/INT63DC_2C/Forms/FormMain.cs b/INT63DC_2C/Forms/FormMain.cs
index ef8c56d..d14c725 100644
--- a/INT63DC_2C/Forms/FormMain.cs
+++ b/INT63DC_2C/Forms/FormMain.cs
@@ -230,7 +230,6 @@ namespace INT63DC_2C.Forms
             this.ChildFormCalibration = new FormCalibration(this);
             this.ChildFormEquipmentTest = new FormEquipmentTest(this);
             this.ChildFormIOTest = new FormIOTest(this);
-            this.ChildFormDataBackup = new FormDataBackup(this);
             this.ChildFormTimeSetting = new FormTimeSetting(this);
             this.ChildFormInformation = new FormInformation(this);
             this.ChildFormFactoryInitialize = new FormFactoryInitialize(this);
@@ -240,7 +239,7 @@ namespace INT63DC_2C.Forms
             this.ChildFormOptionSetting = new FormOptionSetting(this);
             this.ChildFormMotorSetting = new FormMotorSetting(this);
             this.ChildFormUserGroupEditor = new FormUserGroupEditor(this);
-            this.ChildFormUserGroupEditor = new FormUserGroupEditor(this);
+            this.ChildFormDataViewer = new FormDataViewer(this);
             if (this.SystemConfig.IsOptPart11 == true)
                 this.ChildFormDataBackup_Part11 = new FormDataBackup_Part11(this);
             else
@@ -256,7 +255,6 @@ namespace INT63DC_2C.Forms
             this.smartForm.AddChildForm(this.ChildFormCalibration);
             this.smartForm.AddChildForm(this.ChildFormEquipmentTest);
             this.smartForm.AddChildForm(this.ChildFormIOTest);
-            this.smartForm.AddChildForm(this.ChildFormDataBackup);
             this.smartForm.AddChildForm(this.ChildFormTimeSetting);
             this.smartForm.AddChildForm(this.ChildFormInformation);
             this.smartForm.AddChildForm(this.ChildFormFactoryInitialize);