diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/YouBianCodeUtil.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/YouBianCodeUtil.java
index e502af26..5341bd33 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/YouBianCodeUtil.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/YouBianCodeUtil.java
@@ -2,6 +2,8 @@ package com.jero.common.util;
 
 import io.netty.util.internal.StringUtil;
 
+import java.util.Objects;
+
 /**
  * 流水号生成规则(按默认规则递增，数字从1-99开始递增，数字到99，递增字母;位数不够增加位数)
  * A001
@@ -11,16 +13,20 @@ import io.netty.util.internal.StringUtil;
  */
 public class YouBianCodeUtil {
 
+	private YouBianCodeUtil(){
+
+	}
+
 	// 数字位数(默认生成3位的数字)
+	//代表数字位数
+	private static final int NUM_LENGTH = 2;
 
-	private static final int numLength = 2;//代表数字位数
-
-	public static final int zhanweiLength = 1+numLength;
+	public static final int ZHANWEI_LENGTH = 1 + NUM_LENGTH;
 
 	/**
 	 * 根据前一个code，获取同级下一个code
 	 * 例如:当前最大code为D01A04，下一个code为：D01A05
-	 * 
+	 *
 	 * @param code
 	 * @return
 	 */
@@ -31,28 +37,28 @@ public class YouBianCodeUtil {
 			String num = getStrNum(1);
 			newcode = zimu + num;
 		} else {
-			String before_code = code.substring(0, code.length() - 1- numLength);
-			String after_code = code.substring(code.length() - 1 - numLength,code.length());
+			String before_code = code.substring(0, code.length() - 1- NUM_LENGTH);
+			String after_code = code.substring(code.length() - 1 - NUM_LENGTH,code.length());
 			char after_code_zimu = after_code.substring(0, 1).charAt(0);
 			Integer after_code_num = Integer.parseInt(after_code.substring(1));
 
 			String nextNum = "";
 			char nextZimu = 'A';
 			// 先判断数字等于999*，则计数从1重新开始，递增
-			if (after_code_num == getMaxNumByLength(numLength)) {
+			if (after_code_num == getMaxNumByLength(NUM_LENGTH)) {
 				nextNum = getNextStrNum(0);
 			} else {
 				nextNum = getNextStrNum(after_code_num);
 			}
 			// 先判断数字等于999*，则字母从A重新开始,递增
-			if(after_code_num == getMaxNumByLength(numLength)) {
+			if(after_code_num == getMaxNumByLength(NUM_LENGTH)) {
 				nextZimu = getNextZiMu(after_code_zimu);
 			}else{
 				nextZimu = after_code_zimu;
 			}
 
 			// 例如Z99，下一个code就是Z99A01
-			if ('Z' == after_code_zimu && getMaxNumByLength(numLength) == after_code_num) {
+			if ('Z' == after_code_zimu && getMaxNumByLength(NUM_LENGTH) == after_code_num) {
 				newcode = code + (nextZimu + nextNum);
 			} else {
 				newcode = before_code + (nextZimu + nextNum);
@@ -64,17 +70,17 @@ public class YouBianCodeUtil {
 
 	/**
 	 * 根据父亲code,获取下级的下一个code
-	 * 
+	 *
 	 * 例如：父亲CODE:A01
 	 *       当前CODE:A01B03
 	 *       获取的code:A01B04
-	 *       
+	 *
 	 * @param parentCode   上级code
 	 * @param localCode    同级code
 	 * @return
 	 */
 	public static synchronized String getSubYouBianCode(String parentCode,String localCode) {
-		if(localCode!=null && localCode!=""){
+		if(localCode!=null && Objects.equals("",localCode)){
 
 //			return parentCode + getNextYouBianCode(localCode);
 			return getNextYouBianCode(localCode);
@@ -85,11 +91,11 @@ public class YouBianCodeUtil {
 		return parentCode;
 	}
 
-	
+
 
 	/**
 	 * 将数字前面位数补零
-	 * 
+	 *
 	 * @param num
 	 * @return
 	 */
@@ -99,18 +105,18 @@ public class YouBianCodeUtil {
 
 	/**
 	 * 将数字前面位数补零
-	 * 
+	 *
 	 * @param num
 	 * @return
 	 */
 	private static String getStrNum(int num) {
-		String s = String.format("%0" + numLength + "d", num);
+		String s = String.format("%0" + NUM_LENGTH + "d", num);
 		return s;
 	}
 
 	/**
 	 * 递增获取下个数字
-	 * 
+	 *
 	 * @param num
 	 * @return
 	 */
@@ -121,8 +127,8 @@ public class YouBianCodeUtil {
 
 	/**
 	 * 递增获取下个字母
-	 * 
-	 * @param num
+	 *
+	 * @param zimu
 	 * @return
 	 */
 	private static char getNextZiMu(char zimu) {
@@ -132,7 +138,7 @@ public class YouBianCodeUtil {
 		zimu++;
 		return zimu;
 	}
-	
+
 	/**
 	 * 根据数字位数获取最大值
 	 * @param length
@@ -150,16 +156,16 @@ public class YouBianCodeUtil {
 	}
 	public static String[] cutYouBianCode(String code){
 		if(code==null || StringUtil.isNullOrEmpty(code)){
-			return null;
+			return new String[0];
 		}else{
 			//获取标准长度为numLength+1,截取的数量为code.length/numLength+1
-			int c = code.length()/(numLength+1);
+			int c = code.length()/(NUM_LENGTH+1);
 			String[] cutcode = new String[c];
 			for(int i =0 ; i <c;i++){
-				cutcode[i] = code.substring(0,(i+1)*(numLength+1));
+				cutcode[i] = code.substring(0,(i+1)*(NUM_LENGTH+1));
 			}
 			return cutcode;
 		}
-		
+
 	}
 }