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..c6ccbe9
--- /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 checked){
+        super(LocText, checked);
+    }
+
+    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/err/UtilEvalError.java b/src/main/java/com/fanruan/api/err/UtilEvalError.java
new file mode 100644
index 0000000..fed9c53
--- /dev/null
+++ b/src/main/java/com/fanruan/api/err/UtilEvalError.java
@@ -0,0 +1,4 @@
+package com.fanruan.api.err;
+
+public class UtilEvalError extends com.fr.stable.UtilEvalError{
+}
diff --git a/src/main/java/com/fanruan/api/script/ScriptKit.java b/src/main/java/com/fanruan/api/script/ScriptKit.java
new file mode 100644
index 0000000..67108f2
--- /dev/null
+++ b/src/main/java/com/fanruan/api/script/ScriptKit.java
@@ -0,0 +1,14 @@
+package com.fanruan.api.script;
+import com.fr.script.ScriptFactory;
+
+import javax.script.ScriptEngine;
+
+public class ScriptKit {
+    /**
+     * 获取一个全新的脚本执行引擎
+     * @return 一个全新的脚本执行引擎
+     */
+    public static ScriptEngine newScriptEngine() {
+        return ScriptFactory.newScriptEngine();
+    }
+}