diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/DesensitizedUtils.java b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/DesensitizedUtils.java
index 8a2ffcf97..4f5656b3a 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/DesensitizedUtils.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/DesensitizedUtils.java
@@ -26,7 +26,9 @@ public class DesensitizedUtils extends DesensitizedUtil {
         if (StrUtil.isBlank(value)) {
             return value;
         }
-
+        if (prefixVisible < 0 || suffixVisible < 0 || maskLength < 0) {
+            throw new IllegalArgumentException("脱敏参数不能为负数");
+        }
         int len = value.length();
         int prefixMaskLimit = prefixVisible + maskLength;
         int fullLimit = prefixMaskLimit + suffixVisible;