diff --git a/ruoyi-admin/src/main/java/org/dromara/web/controller/AuthController.java b/ruoyi-admin/src/main/java/org/dromara/web/controller/AuthController.java
index c448a60d3..405903af0 100644
--- a/ruoyi-admin/src/main/java/org/dromara/web/controller/AuthController.java
+++ b/ruoyi-admin/src/main/java/org/dromara/web/controller/AuthController.java
@@ -229,9 +229,9 @@ public class AuthController {
         String referer = request.getHeader("referer");
         if (StringUtils.isNotBlank(referer)) {
             // 这里从referer中取值是为了本地使用hosts添加虚拟域名，方便本地环境调试
-            host = referer.split("//")[1].split("/")[0];
+            host = new java.net.URI(referer).getHost();
         } else {
-            host = new URL(request.getRequestURL().toString()).getHost();
+            host = new java.net.URI(request.getRequestURL().toString()).getHost();
         }
         // 根据域名进行筛选
         List<TenantListVo> list = StreamUtils.filter(voList, vo ->
diff --git a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataPermissionHelper.java b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataPermissionHelper.java
index 8963648c0..76cfd2ad9 100644
--- a/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataPermissionHelper.java
+++ b/ruoyi-common/ruoyi-common-mybatis/src/main/java/org/dromara/common/mybatis/helper/DataPermissionHelper.java
@@ -23,7 +23,7 @@ import java.util.function.Supplier;
  * @version 3.5.0
  */
 @NoArgsConstructor(access = AccessLevel.PRIVATE)
-@SuppressWarnings("unchecked cast")
+@SuppressWarnings("unchecked")
 public class DataPermissionHelper {
 
     private static final String DATA_PERMISSION_KEY = "data:permission";
diff --git a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java
index 14abf896a..09f82324e 100644
--- a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java
+++ b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java
@@ -113,7 +113,7 @@ public class PlusSaTokenDao implements SaTokenDaoBySessionFollowObject {
      * @param key 键名称
      * @return object
      */
-    @SuppressWarnings("unchecked cast")
+    @SuppressWarnings("unchecked")
     @Override
     public <T> T getObject(String key, Class<T> classType) {
         Object o = CAFFEINE.get(key, k -> RedisUtils.getCacheObject(key));
diff --git a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java
index 730bae29d..38a367a16 100644
--- a/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java
+++ b/ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java
@@ -63,7 +63,7 @@ public class LoginHelper {
     /**
      * 获取用户(多级缓存)
      */
-    @SuppressWarnings("unchecked cast")
+    @SuppressWarnings("unchecked")
     public static <T extends LoginUser> T getLoginUser() {
         SaSession session = StpUtil.getTokenSession();
         if (ObjectUtil.isNull(session)) {
@@ -75,7 +75,7 @@ public class LoginHelper {
     /**
      * 获取用户基于token
      */
-    @SuppressWarnings("unchecked cast")
+    @SuppressWarnings("unchecked")
     public static <T extends LoginUser> T getLoginUser(String token) {
         SaSession session = StpUtil.getTokenSessionByToken(token);
         if (ObjectUtil.isNull(session)) {
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..41fe4276c 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
@@ -19,7 +19,8 @@ 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]);
+            String languageTag = String.join("-", split);
+            locale = Locale.forLanguageTag(languageTag);
         }
         return locale;
     }
diff --git a/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapJobAnnotation.java b/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapJobAnnotation.java
index f58d7724a..58fc1a745 100644
--- a/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapJobAnnotation.java
+++ b/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapJobAnnotation.java
@@ -26,7 +26,7 @@ import java.util.stream.IntStream;
 public class TestMapJobAnnotation {
 
     @MapExecutor
-    public ExecuteResult doJobMapExecute(MapArgs mapArgs, MapHandler mapHandler) {
+    public ExecuteResult doJobMapExecute(MapArgs mapArgs, MapHandler<List<Integer>> mapHandler) {
         // 生成1~200数值并分片
         int partitionSize = 50;
         List<List<Integer>> partition = IntStream.rangeClosed(1, 200)
@@ -41,6 +41,7 @@ public class TestMapJobAnnotation {
 
     @MapExecutor(taskName = "doCalc")
     public ExecuteResult doCalc(MapArgs mapArgs) {
+        @SuppressWarnings("unchecked")
         List<Integer> sourceList = (List<Integer>) mapArgs.getMapResult();
         // 遍历sourceList的每一个元素,计算出一个累加值partitionTotal
         int partitionTotal = sourceList.stream().mapToInt(i -> i).sum();
diff --git a/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapReduceAnnotation1.java b/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapReduceAnnotation1.java
index f926016f9..ed12f2896 100644
--- a/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapReduceAnnotation1.java
+++ b/ruoyi-modules/ruoyi-job/src/main/java/org/dromara/job/snailjob/TestMapReduceAnnotation1.java
@@ -28,7 +28,7 @@ import java.util.stream.IntStream;
 public class TestMapReduceAnnotation1 {
 
     @MapExecutor
-    public ExecuteResult rootMapExecute(MapArgs mapArgs, MapHandler mapHandler) {
+    public ExecuteResult rootMapExecute(MapArgs mapArgs, MapHandler<List<Integer>> mapHandler) {
         int partitionSize = 50;
         List<List<Integer>> partition = IntStream.rangeClosed(1, 200)
                 .boxed()
@@ -42,6 +42,7 @@ public class TestMapReduceAnnotation1 {
 
     @MapExecutor(taskName = "doCalc")
     public ExecuteResult doCalc(MapArgs mapArgs) {
+        @SuppressWarnings("unchecked")
         List<Integer> sourceList = (List<Integer>) mapArgs.getMapResult();
         // 遍历sourceList的每一个元素,计算出一个累加值partitionTotal
         int partitionTotal = sourceList.stream().mapToInt(i -> i).sum();
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwNodeExtServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwNodeExtServiceImpl.java
index ce845dc45..8e398692c 100644
--- a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwNodeExtServiceImpl.java
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwNodeExtServiceImpl.java
@@ -102,7 +102,7 @@ public class FlwNodeExtServiceImpl implements NodeExtService, IFlwNodeExtService
      * @param sources 数据来源（枚举类或字典类型）
      * @return 构建的 `NodeExt` 对象
      */
-    @SuppressWarnings("unchecked cast")
+    @SuppressWarnings("unchecked")
     private NodeExt buildNodeExt(String code, String name, int type, List<Object> sources) {
         NodeExt nodeExt = new NodeExt();
         nodeExt.setCode(code);