diff --git a/framework/src/main/java/cn/lili/common/utils/StringUtils.java b/framework/src/main/java/cn/lili/common/utils/StringUtils.java
index f3ae80e1..bf9df5b6 100644
--- a/framework/src/main/java/cn/lili/common/utils/StringUtils.java
+++ b/framework/src/main/java/cn/lili/common/utils/StringUtils.java
@@ -147,6 +147,20 @@ public class StringUtils extends StrUtil {
         return str.concat(appendStr);
     }
 
+    /**
+     * 切割字符串
+     *
+     * @param str    字符串
+     * @param length 长度
+     * @return 处理后的字符串
+     */
+    public static String sub(String str, Integer length) {
+        if (str.length() < length) {
+            return str;
+        }
+        return str.substring(0, length);
+    }
+
     /**
      * 过滤特殊字符串
      *
diff --git a/framework/src/main/java/cn/lili/modules/payment/kit/params/dto/CashierParam.java b/framework/src/main/java/cn/lili/modules/payment/kit/params/dto/CashierParam.java
index b7b5b096..4bdfcbe5 100644
--- a/framework/src/main/java/cn/lili/modules/payment/kit/params/dto/CashierParam.java
+++ b/framework/src/main/java/cn/lili/modules/payment/kit/params/dto/CashierParam.java
@@ -49,10 +49,6 @@ public class CashierParam {
         if (StringUtils.isEmpty(detail)) {
             return "清单详细";
         }
-        //对参数长度进行限制
-        if (!StringUtils.isEmpty(detail) && detail.length() > MAX_DETAIL_LENGTH) {
-            detail = detail.substring(30);
-        }
-        return StringUtils.filterSpecialChart(detail);
+        return StringUtils.filterSpecialChart(StringUtils.sub(detail, 30));
     }
 }