diff --git a/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/VerificationCodeUtils.java b/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/VerificationCodeUtils.java
index 5c98641..91707a9 100644
--- a/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/VerificationCodeUtils.java
+++ b/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/VerificationCodeUtils.java
@@ -5,10 +5,11 @@ import java.security.SecureRandom;
 /**
  * 验证码生成实用类。
  * 提供生成数字、字母和字母数字混合的验证码的功能。
+ * @author bonus
  */
 public class VerificationCodeUtils {
     // 安全的随机数生成器，用于生成随机验证码
-    private static final SecureRandom secureRandom = new SecureRandom();
+    private static final SecureRandom SECURE_RANDOM = new SecureRandom();
     // 验证码的默认长度
     private static final int CODE_LENGTH = 6;
     // 数字字符集
@@ -59,7 +60,7 @@ public class VerificationCodeUtils {
         // 生成验证码，长度为CODE_LENGTH
         for (int i = 0; i < CODE_LENGTH; i++) {
             // 随机选择字符集中的一个字符并添加到验证码字符串中
-            int index = secureRandom.nextInt(characters.length());
+            int index = SECURE_RANDOM.nextInt(characters.length());
             verificationCode.append(characters.charAt(index));
         }