diff --git a/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/manager/BlocklistServiceManager.java b/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/manager/BlocklistServiceManager.java
index 8647d048d7..b55fbefb05 100644
--- a/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/manager/BlocklistServiceManager.java
+++ b/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/manager/BlocklistServiceManager.java
@@ -98,12 +98,12 @@ public class BlocklistServiceManager<T extends Comparable<T>> {
     private static final long UNINITIALIZED_TIMESTAMP = -1;
     private static final int UNINITIALIZED_LOG_ID = -1;
 
-    private final RedisScript blockClientsScript;
-    private final RedisScript unblockClientsScript;
-    private final RedisScript getBlockedClientsScript;
-    private final RedisScript evictAllBlockedClients;
-    private final RedisScript evictExpiredBlockedClients;
-    private final RedisScript getBlocklistLogsScript;
+    private final RedisScript<List<Object>> blockClientsScript;
+    private final RedisScript<List<Object>> unblockClientsScript;
+    private final RedisScript<List<Object>> getBlockedClientsScript;
+    private final RedisScript<Boolean> evictAllBlockedClients;
+    private final RedisScript<Boolean> evictExpiredBlockedClients;
+    private final RedisScript<List<Object>> getBlocklistLogsScript;
 
     private final Node node;
     private final TurmsRedisClient redisClient;
@@ -138,12 +138,12 @@ public BlocklistServiceManager(
             Node node,
             TurmsRedisClient redisClient,
             ScheduledThreadPoolExecutor threadPoolExecutor,
-            RedisScript blockClientsScript,
-            RedisScript unblockClientsScript,
-            RedisScript getBlockedClientsScript,
-            RedisScript evictAllBlockedClients,
-            RedisScript evictExpiredBlockedClients,
-            RedisScript getBlocklistLogsScript,
+            RedisScript<List<Object>> blockClientsScript,
+            RedisScript<List<Object>> unblockClientsScript,
+            RedisScript<List<Object>> getBlockedClientsScript,
+            RedisScript<Boolean> evictAllBlockedClients,
+            RedisScript<Boolean> evictExpiredBlockedClients,
+            RedisScript<List<Object>> getBlocklistLogsScript,
             Consumer<T> onTargetBlocked) {
         this.node = node;
         this.redisClient = redisClient;
@@ -262,7 +262,8 @@ private void removeLocalBlockedClient(T targetId) {
     public Mono<Void> unblockAll() {
         blockedClientIdToBlockEndTimeMillis.clear();
         blockedClientSkipList.clear();
-        return redisClient.eval(evictAllBlockedClients, getBlocklistKey());
+        return redisClient.eval(evictAllBlockedClients, getBlocklistKey())
+                .then();
     }
 
     private void evictLocalExpiredBlockedClients() {
diff --git a/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/service/BlocklistService.java b/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/service/BlocklistService.java
index e4f863bcb5..5f0f9be677 100644
--- a/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/service/BlocklistService.java
+++ b/turms-server-common/src/main/java/im/turms/server/common/domain/blocklist/service/BlocklistService.java
@@ -112,24 +112,24 @@ public BlocklistService(
 
         Map<String, Object> params = Map.of("MAX_LOG_QUEUE_SIZE", maxLogQueueSize);
 
-        RedisScript blockClientsScript =
+        RedisScript<List<Object>> blockClientsScript =
                 RedisScript.get(new ClassPathResource("redis/blocklist/block_clients.lua"),
                         ScriptOutputType.MULTI,
                         params);
-        RedisScript unblockClientsScript =
+        RedisScript<List<Object>> unblockClientsScript =
                 RedisScript.get(new ClassPathResource("redis/blocklist/unblock_clients.lua"),
                         ScriptOutputType.MULTI,
                         params);
-        RedisScript getBlockedClientsScript =
+        RedisScript<List<Object>> getBlockedClientsScript =
                 RedisScript.get(new ClassPathResource("redis/blocklist/get_blocked_clients.lua"),
                         ScriptOutputType.MULTI);
-        RedisScript evictAllBlockedClients = RedisScript.get(
+        RedisScript<Boolean> evictAllBlockedClients = RedisScript.get(
                 new ClassPathResource("redis/blocklist/evict_all_blocked_clients.lua"),
                 ScriptOutputType.BOOLEAN);
-        RedisScript evictExpiredBlockedClients = RedisScript.get(
+        RedisScript<Boolean> evictExpiredBlockedClients = RedisScript.get(
                 new ClassPathResource("redis/blocklist/evict_expired_blocked_clients.lua"),
                 ScriptOutputType.BOOLEAN);
-        RedisScript getBlocklistLogsScript =
+        RedisScript<List<Object>> getBlocklistLogsScript =
                 RedisScript.get(new ClassPathResource("redis/blocklist/get_blocklist_logs.lua"),
                         ScriptOutputType.MULTI,
                         params);
diff --git a/turms-service/src/main/java/im/turms/service/domain/common/service/CustomSettingService.java b/turms-service/src/main/java/im/turms/service/domain/common/service/CustomSettingService.java
index d88e29c5be..0ccf9a2bc3 100644
--- a/turms-service/src/main/java/im/turms/service/domain/common/service/CustomSettingService.java
+++ b/turms-service/src/main/java/im/turms/service/domain/common/service/CustomSettingService.java
@@ -37,7 +37,7 @@
 import im.turms.server.common.infra.property.env.service.business.common.setting.CustomSettingProperties;
 import im.turms.server.common.infra.property.env.service.business.common.setting.CustomSettingStringValueProperties;
 import im.turms.server.common.infra.property.env.service.business.common.setting.CustomSettingValueProperties;
-import im.turms.service.infra.locale.LocaleUtils;
+import im.turms.service.infra.locale.LocaleUtil;
 
 /**
  * @author James Chen
@@ -261,7 +261,7 @@ private Object parseValue(
             };
             case LANGUAGE -> {
                 String languageId = value.getStringValue();
-                if (!LocaleUtils.isAvailableLanguage(languageId)) {
+                if (!LocaleUtil.isAvailableLanguage(languageId)) {
                     throw ResponseException.get(ResponseStatusCode.ILLEGAL_ARGUMENT,
                             "The value of the setting \""
                                     + sourceName
diff --git a/turms-service/src/main/java/im/turms/service/infra/locale/LocaleUtils.java b/turms-service/src/main/java/im/turms/service/infra/locale/LocaleUtil.java
similarity index 88%
rename from turms-service/src/main/java/im/turms/service/infra/locale/LocaleUtils.java
rename to turms-service/src/main/java/im/turms/service/infra/locale/LocaleUtil.java
index 2c2a9c63b3..c5dc7863c1 100644
--- a/turms-service/src/main/java/im/turms/service/infra/locale/LocaleUtils.java
+++ b/turms-service/src/main/java/im/turms/service/infra/locale/LocaleUtil.java
@@ -24,19 +24,19 @@
 /**
  * @author James Chen
  */
-public final class LocaleUtils {
+public final class LocaleUtil {
 
     private static final Map<String, Locale> ID_TO_LOCALE;
 
     static {
         Map<String, Locale> idToLocale = new HashMap<>(2048);
-        // Use "availableLocales()" to avoid unnecessary copy.
+        // Use "availableLocales()" instead of "getAvailableLocales()" to avoid unnecessary copy.
         Locale.availableLocales()
                 .forEach(locale -> idToLocale.put(locale.toLanguageTag(), locale));
         ID_TO_LOCALE = Map.copyOf(idToLocale);
     }
 
-    private LocaleUtils() {
+    private LocaleUtil() {
     }
 
     public static boolean isAvailableLanguage(String languageId) {