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 d57f5e67..dbc6d80e 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
@@ -37,31 +37,31 @@ public class YouBianCodeUtil {
 			String num = getStrNum(1);
 			newcode = zimu + num;
 		} else {
-			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 beforeCode = code.substring(0, code.length() - 1- NUM_LENGTH);
+			String afterCode = code.substring(code.length() - 1 - NUM_LENGTH,code.length());
+			char afterCodeZimu = afterCode.substring(0, 1).charAt(0);
+			int afterCodeNum = Integer.parseInt(afterCode.substring(1));
 
 			String nextNum;
 			char nextZimu;
 			// 先判断数字等于999*，则计数从1重新开始，递增
-			if (after_code_num == getMaxNumByLength(NUM_LENGTH)) {
+			if (afterCodeNum == getMaxNumByLength(NUM_LENGTH)) {
 				nextNum = getNextStrNum(0);
 			} else {
-				nextNum = getNextStrNum(after_code_num);
+				nextNum = getNextStrNum(afterCodeNum);
 			}
 			// 先判断数字等于999*，则字母从A重新开始,递增
-			if(after_code_num == getMaxNumByLength(NUM_LENGTH)) {
-				nextZimu = getNextZiMu(after_code_zimu);
+			if(afterCodeNum == getMaxNumByLength(NUM_LENGTH)) {
+				nextZimu = getNextZiMu(afterCodeZimu);
 			}else{
-				nextZimu = after_code_zimu;
+				nextZimu = afterCodeZimu;
 			}
 
 			// 例如Z99，下一个code就是Z99A01
-			if ('Z' == after_code_zimu && getMaxNumByLength(NUM_LENGTH) == after_code_num) {
+			if ('Z' == afterCodeZimu && getMaxNumByLength(NUM_LENGTH) == afterCodeNum) {
 				newcode = code + (nextZimu + nextNum);
 			} else {
-				newcode = before_code + (nextZimu + nextNum);
+				newcode = beforeCode + (nextZimu + nextNum);
 			}
 		}
 		return newcode;
@@ -108,8 +108,7 @@ public class YouBianCodeUtil {
 	 * @return
 	 */
 	private static String getStrNum(int num) {
-		String s = String.format("%0" + NUM_LENGTH + "d", num);
-		return s;
+		return String.format("%0" + NUM_LENGTH + "d", num);
 	}
 
 	/**
@@ -146,11 +145,11 @@ public class YouBianCodeUtil {
 		if(length==0){
 			return 0;
 		}
-		String max_num = "";
+		StringBuilder maxNum = new StringBuilder();
 		for (int i=0;i<length;i++){
-			max_num = max_num + "9";
+			maxNum.append("9");
 		}
-		return Integer.parseInt(max_num);
+		return Integer.parseInt(maxNum.toString());
 	}
 	public static String[] cutYouBianCode(String code){
 		if(code==null || StringUtil.isNullOrEmpty(code)){