diff --git a/src/main/java/com/fanruan/api/cal/ParameterKit.java b/src/main/java/com/fanruan/api/cal/ParameterKit.java
index a8db2f1..5750b54 100644
--- a/src/main/java/com/fanruan/api/cal/ParameterKit.java
+++ b/src/main/java/com/fanruan/api/cal/ParameterKit.java
@@ -98,6 +98,14 @@ public class ParameterKit {
     public static @NotNull ParameterMapNameSpace createParameterMapNameSpace(ParameterProvider[] ps) {
         return ParameterMapNameSpace.create(ps);
     }
-
-
+    /**
+     * 获得新的参数集合
+     *
+     * @param paramTexts sql语句
+     * @param ps 旧的参数集合
+     * @return 新参数集合
+     */
+    public static ParameterProvider[] analyzeAndUnionSameParameters(String[] paramTexts, Parameter[] ps){
+        return ParameterHelper.analyzeAndUnionSameParameters(paramTexts, ps);
+    }
 }
diff --git a/src/main/java/com/fanruan/api/design/ui/toolbar/ToolBarDef.java b/src/main/java/com/fanruan/api/design/ui/toolbar/ToolBarDef.java
index 8de1198..cfbf3c8 100644
--- a/src/main/java/com/fanruan/api/design/ui/toolbar/ToolBarDef.java
+++ b/src/main/java/com/fanruan/api/design/ui/toolbar/ToolBarDef.java
@@ -1,5 +1,6 @@
 package com.fanruan.api.design.ui.toolbar;
 
+
 import com.fanruan.api.design.ui.component.UIToolbar;
 import com.fr.design.gui.itoolbar.UIToolBarUI;
 
@@ -32,5 +33,4 @@ public class ToolBarDef extends com.fr.design.menu.ToolBarDef {
         toolbar.setBorder(BorderFactory.createEmptyBorder(2, 0, 2, 0));
         return toolbar;
     }
-
 }
diff --git a/src/main/java/com/fanruan/api/err/JSONException.java b/src/main/java/com/fanruan/api/err/JSONException.java
new file mode 100644
index 0000000..1abb13a
--- /dev/null
+++ b/src/main/java/com/fanruan/api/err/JSONException.java
@@ -0,0 +1,14 @@
+package com.fanruan.api.err;
+
+/**
+ * 用来定义和JSON相关的异常
+ * */
+public class JSONException extends com.fr.json.JSONException{
+    public JSONException(String message) {
+        super(message);
+    }
+
+    public JSONException(Throwable error) {
+        super(error);
+    }
+}
diff --git a/src/main/java/com/fanruan/api/json/JSONKit.java b/src/main/java/com/fanruan/api/json/JSONKit.java
new file mode 100644
index 0000000..86bdedf
--- /dev/null
+++ b/src/main/java/com/fanruan/api/json/JSONKit.java
@@ -0,0 +1,21 @@
+package com.fanruan.api.json;
+import com.fr.json.JSONObject;
+
+public class JSONKit {
+    /**
+     * 创建一个JSONObject对象
+     *
+     * @return 一个JSONObject对象
+     */
+    public static JSONObject create() {
+        return new JSONObject();
+    }
+    /**
+     * 创建一个JSONObject对象
+     * @param text 用来创建对象时的字符串
+     * @return 一个JSONObject对象
+     */
+    public static JSONObject create(String text) {
+        return new JSONObject(text);
+    }
+}
diff --git a/src/main/java/com/fanruan/api/security/SecurityKit.java b/src/main/java/com/fanruan/api/security/SecurityKit.java
index 5a72db1..e6e903c 100644
--- a/src/main/java/com/fanruan/api/security/SecurityKit.java
+++ b/src/main/java/com/fanruan/api/security/SecurityKit.java
@@ -1,6 +1,7 @@
 package com.fanruan.api.security;
 
 import com.fr.security.SecurityToolbox;
+import com.fr.stable.CodeUtils;
 
 /**
  * @author richie
@@ -25,4 +26,13 @@ public class SecurityKit {
     public static String decrypt(String cipherText) {
         return SecurityToolbox.decrypt(cipherText);
     }
+    /**
+     * 给字符串解密
+     * @param passwordText 待解密的字符串
+     * @return 解密后的字符串
+     */
+    @Deprecated
+    public static String passwordDecode(String passwordText) {
+        return CodeUtils.passwordDecode(passwordText);
+    }
 }
diff --git a/src/main/java/com/fanruan/api/util/CodeKit.java b/src/main/java/com/fanruan/api/util/CodeKit.java
new file mode 100644
index 0000000..b819eb4
--- /dev/null
+++ b/src/main/java/com/fanruan/api/util/CodeKit.java
@@ -0,0 +1,15 @@
+package com.fanruan.api.util;
+
+import com.fr.stable.CodeUtils;
+import com.fr.stable.CommonCodeUtils;
+
+public class CodeKit {
+    /**
+     * 给字符串解密
+     * @param passwordText 待解密的字符串
+     * @return 解密后的字符串
+     */
+    public static String passwordDecode(String passwordText) {
+        return CodeUtils.passwordDecode(passwordText);
+    }
+}
diff --git a/src/main/java/com/fanruan/api/util/DateKit.java b/src/main/java/com/fanruan/api/util/DateKit.java
new file mode 100644
index 0000000..072e6e0
--- /dev/null
+++ b/src/main/java/com/fanruan/api/util/DateKit.java
@@ -0,0 +1,18 @@
+package com.fanruan.api.util;
+
+import com.fr.general.DateUtils;
+
+import java.util.Date;
+
+public class DateKit {
+    /**
+     * 将字符串转化为日期
+     *
+     * @param str 字符串
+     * @param returnNull 转化失败的时候是否返回null
+     * @return 将字符串转化为相应的日期值
+     */
+    public static Date string2Date(String str, boolean returnNull) {
+        return DateUtils.string2Date(str, returnNull);
+    }
+}
diff --git a/src/main/java/com/fanruan/api/util/GeneralKit.java b/src/main/java/com/fanruan/api/util/GeneralKit.java
index 14b5fc7..9e13593 100644
--- a/src/main/java/com/fanruan/api/util/GeneralKit.java
+++ b/src/main/java/com/fanruan/api/util/GeneralKit.java
@@ -3,7 +3,9 @@ package com.fanruan.api.util;
 import com.fr.base.FRContext;
 import com.fr.general.ComparatorUtils;
 import com.fr.general.GeneralUtils;
+import com.fr.stable.CommonUtils;
 import com.fr.third.guava.base.Objects;
+import com.fr.stable.StableUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -73,6 +75,15 @@ public class GeneralKit {
     }
 
     /**
+     * 将一个数组中的元素按照给定的连接符连接成一个字符串
+     * @param array 数组
+     * @param se 连接符
+     * @return 连接后的字符串
+     */
+    public static String join(Object[] array, String se) {
+        return StableUtils.join(array, se);
+    }
+    /*
      * 返回国际化区属
      * @return 国际化后区域属性
      */
diff --git a/src/test/java/com/fanruan/api/json/JSONKitTest.java b/src/test/java/com/fanruan/api/json/JSONKitTest.java
new file mode 100644
index 0000000..32c4261
--- /dev/null
+++ b/src/test/java/com/fanruan/api/json/JSONKitTest.java
@@ -0,0 +1,15 @@
+package com.fanruan.api.json;
+import com.fanruan.api.util.ArrayKit;
+import com.fr.json.JSONObject;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class JSONKitTest {
+    @Test
+    public void create() throws Exception{
+        Assert.assertEquals(JSONKit.create(), new JSONObject());
+        Assert.assertEquals(JSONKit.create("{test:123}"), new JSONObject("{test:123}"));
+
+    }
+}
diff --git a/src/test/java/com/fanruan/api/util/CodeKitTest.java b/src/test/java/com/fanruan/api/util/CodeKitTest.java
new file mode 100644
index 0000000..10853e6
--- /dev/null
+++ b/src/test/java/com/fanruan/api/util/CodeKitTest.java
@@ -0,0 +1,12 @@
+package com.fanruan.api.util;
+
+import com.fr.stable.CommonCodeUtils;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CodeKitTest {
+    @Test
+    public void passwordDecode(String passwordText) {
+        Assert.assertEquals(CodeKit.passwordDecode(passwordText), 123);
+    }
+}
diff --git a/src/test/java/com/fanruan/api/util/DateKitTest.java b/src/test/java/com/fanruan/api/util/DateKitTest.java
new file mode 100644
index 0000000..31ae43c
--- /dev/null
+++ b/src/test/java/com/fanruan/api/util/DateKitTest.java
@@ -0,0 +1,18 @@
+package com.fanruan.api.util;
+
+import java.util.Date;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class DateKitTest {
+    @Test
+    public void string2Date() throws Exception{
+        DateFormat dateFormat2 = new SimpleDateFormat("yyyy-MM-dd");
+        Date myDate = dateFormat2.parse("2019-02-20");
+        Assert.assertEquals(DateKit.string2Date("2019-02-20", false), myDate);
+        Assert.assertEquals(DateKit.string2Date("abcd", false), new Date());
+        Assert.assertEquals(DateKit.string2Date("abcd", true), null);
+    }
+}
diff --git a/src/test/java/com/fanruan/api/util/GeneralKitTest.java b/src/test/java/com/fanruan/api/util/GeneralKitTest.java
index 975ae8d..c8057ec 100644
--- a/src/test/java/com/fanruan/api/util/GeneralKitTest.java
+++ b/src/test/java/com/fanruan/api/util/GeneralKitTest.java
@@ -42,6 +42,12 @@ public class GeneralKitTest extends Prepare {
         Assert.assertEquals(GeneralKit.compare(s,s2),1);
     }
 
+    @Test
+    public void join() {
+        Object obj[] = {1, 2, 3, 4};
+        String result = "1-2-3-4";
+        Assert.assertEquals(GeneralKit.join(obj, "-"), result);
+    }
     @Test
     public void getLocale() {
         Assert.assertEquals(GeneralKit.getLocale(), Locale.CHINA);