diff --git a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/tool/DdlPreparedPack.java b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/tool/DdlPreparedPack.java
index 1082439..0f56525 100644
--- a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/tool/DdlPreparedPack.java
+++ b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/tool/DdlPreparedPack.java
@@ -307,6 +307,30 @@ public class DdlPreparedPack {
     }
 
     /**
+     * 封装String对象成大于语句
+     *
+     * @param columnName 列名
+     * @param packBean
+     */
+    public static void getStringBiggerPack(Object data, String columnName, DdlPackBean packBean) {
+        if (data != null && !StringUtils.isEmpty(String.valueOf(data))) {
+            packBean.addColumnQuery(columnName," and model." + columnName + " > :m_" + columnName, data);
+        }
+    }
+
+    /**
+     * 封装String对象成小于语句
+     *
+     * @param columnName 列名
+     * @param packBean
+     */
+    public static void getStringSmallerPack(Object data, String columnName, DdlPackBean packBean) {
+        if (data != null && !StringUtils.isEmpty(String.valueOf(data))) {
+            packBean.addColumnQuery(columnName," and model." + columnName + " < :m_" + columnName, data);
+        }
+    }
+
+    /**
      * 封装double对象成大于语句
      *
      * @param columnName 列名