diff --git a/src/main/java/com/fanruan/api/cal/formula/BaseFormula.java b/src/main/java/com/fanruan/api/cal/formula/BaseFormula.java
deleted file mode 100644
index 8759942..0000000
--- a/src/main/java/com/fanruan/api/cal/formula/BaseFormula.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.fanruan.api.cal.formula;
-
-public class BaseFormula extends com.fr.base.BaseFormula{
-    @Override
-    public String getXmlTag(){
-        return "";
-    }
-}
diff --git a/src/main/java/com/fanruan/api/config/DefaultConfiguration.java b/src/main/java/com/fanruan/api/config/DefaultConfiguration.java
deleted file mode 100644
index 9135649..0000000
--- a/src/main/java/com/fanruan/api/config/DefaultConfiguration.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.fanruan.api.config;
-
-public class DefaultConfiguration extends com.fr.config.DefaultConfiguration{
-}
diff --git a/src/main/java/com/fanruan/api/design/ui/component/UICheckBox.java b/src/main/java/com/fanruan/api/design/ui/component/UICheckBox.java
new file mode 100644
index 0000000..41b9504
--- /dev/null
+++ b/src/main/java/com/fanruan/api/design/ui/component/UICheckBox.java
@@ -0,0 +1,24 @@
+package com.fanruan.api.design.ui.component;
+
+import javax.swing.*;
+
+/**
+ * @author zhaojunzhe
+ * @version 10.0
+ * Created by zhaojunzhe on 2019-08-28
+ * checkbox组件
+ */
+public class UICheckBox extends com.fr.design.gui.icheckbox.UICheckBox{
+
+    public UICheckBox(String string){super(string);}
+
+    public UICheckBox(){}
+
+    public UICheckBox(String LocText, boolean b){
+        super(LocText, b);
+    }
+
+    public UICheckBox(String text, Icon icon){
+        super(text, icon);
+    }
+}
diff --git a/src/main/java/com/fanruan/api/design/ui/component/UIIntNumberField.java b/src/main/java/com/fanruan/api/design/ui/component/UIIntNumberField.java
index 15b5c26..cb1e76b 100644
--- a/src/main/java/com/fanruan/api/design/ui/component/UIIntNumberField.java
+++ b/src/main/java/com/fanruan/api/design/ui/component/UIIntNumberField.java
@@ -1,5 +1,5 @@
 package com.fanruan.api.design.ui.component;
 
 public class UIIntNumberField extends com.fr.design.gui.itextfield.UIIntNumberField {
-
+    public UIIntNumberField(){};
 }
diff --git a/src/main/java/com/fanruan/api/util/eval/error/UtilEvalError.java b/src/main/java/com/fanruan/api/err/UtilEvalError.java
similarity index 62%
rename from src/main/java/com/fanruan/api/util/eval/error/UtilEvalError.java
rename to src/main/java/com/fanruan/api/err/UtilEvalError.java
index cda74ac..fed9c53 100644
--- a/src/main/java/com/fanruan/api/util/eval/error/UtilEvalError.java
+++ b/src/main/java/com/fanruan/api/err/UtilEvalError.java
@@ -1,4 +1,4 @@
-package com.fanruan.api.util.eval.error;
+package com.fanruan.api.err;
 
 public class UtilEvalError extends com.fr.stable.UtilEvalError{
 }
diff --git a/src/main/java/com/fanruan/api/uniqueKey/UniqueKeyKit.java b/src/main/java/com/fanruan/api/uniqueKey/UniqueKeyKit.java
deleted file mode 100644
index f2f83e2..0000000
--- a/src/main/java/com/fanruan/api/uniqueKey/UniqueKeyKit.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.fanruan.api.uniqueKey;
-
-public class UniqueKeyKit extends com.fr.config.utils.UniqueKey{
-}