diff --git a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java
index 98ddd06b5..8af0f6752 100644
--- a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java
+++ b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/core/I18nLocaleResolver.java
@@ -1,9 +1,9 @@
 package org.dromara.common.web.core;
 
-import org.springframework.web.servlet.LocaleResolver;
-
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import org.springframework.web.servlet.LocaleResolver;
+
 import java.util.Locale;
 
 /**
@@ -19,7 +19,11 @@ public class I18nLocaleResolver implements LocaleResolver {
         Locale locale = Locale.getDefault();
         if (language != null && language.length() > 0) {
             String[] split = language.split("_");
-            locale = new Locale(split[0], split[1]);
+            try {
+                locale = new Locale(split[0], split[1]);
+            } catch (ArrayIndexOutOfBoundsException e) {
+                return locale;
+            }
         }
         return locale;
     }