diff --git a/austin-handler/src/main/java/com/java3y/austin/handler/alipay/impl/AlipayMiniProgramAccountServiceImpl.java b/austin-handler/src/main/java/com/java3y/austin/handler/alipay/impl/AlipayMiniProgramAccountServiceImpl.java
index 4fa1d56..a23ef71 100644
--- a/austin-handler/src/main/java/com/java3y/austin/handler/alipay/impl/AlipayMiniProgramAccountServiceImpl.java
+++ b/austin-handler/src/main/java/com/java3y/austin/handler/alipay/impl/AlipayMiniProgramAccountServiceImpl.java
@@ -6,7 +6,6 @@ import com.alipay.api.AlipayConfig;
 import com.alipay.api.DefaultAlipayClient;
 import com.alipay.api.domain.AlipayOpenAppMiniTemplatemessageSendModel;
 import com.alipay.api.request.AlipayOpenAppMiniTemplatemessageSendRequest;
-import com.java3y.austin.common.constant.SendAccountConstant;
 import com.java3y.austin.common.dto.account.AlipayMiniProgramAccount;
 import com.java3y.austin.handler.alipay.AlipayMiniProgramAccountService;
 import com.java3y.austin.handler.domain.alipay.AlipayMiniProgramParam;
diff --git a/austin-handler/src/main/java/com/java3y/austin/handler/deduplication/limit/SlideWindowLimitService.java b/austin-handler/src/main/java/com/java3y/austin/handler/deduplication/limit/SlideWindowLimitService.java
index 5bdad1c..ff3d04a 100644
--- a/austin-handler/src/main/java/com/java3y/austin/handler/deduplication/limit/SlideWindowLimitService.java
+++ b/austin-handler/src/main/java/com/java3y/austin/handler/deduplication/limit/SlideWindowLimitService.java
@@ -12,7 +12,7 @@ import org.springframework.scripting.support.ResourceScriptSource;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.PostConstruct;
-import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -56,7 +56,7 @@ public class SlideWindowLimitService extends AbstractLimitService {
             String key = LIMIT_TAG + deduplicationSingleKey(service, taskInfo, receiver);
             String scoreValue = String.valueOf(IdUtil.getSnowflake().nextId());
             String score = String.valueOf(nowTime);
-            if (redisUtils.execLimitLua(redisScript, Arrays.asList(key), String.valueOf(param.getDeduplicationTime() * 1000), score, String.valueOf(param.getCountNum()), scoreValue)) {
+            if (redisUtils.execLimitLua(redisScript, Collections.singletonList(key), String.valueOf(param.getDeduplicationTime() * 1000), score, String.valueOf(param.getCountNum()), scoreValue)) {
                 filterReceiver.add(receiver);
             }
 
diff --git a/austin-support/src/main/java/com/java3y/austin/support/utils/RedisUtils.java b/austin-support/src/main/java/com/java3y/austin/support/utils/RedisUtils.java
index f8977de..0b73201 100644
--- a/austin-support/src/main/java/com/java3y/austin/support/utils/RedisUtils.java
+++ b/austin-support/src/main/java/com/java3y/austin/support/utils/RedisUtils.java
@@ -170,13 +170,14 @@ public class RedisUtils {
 
         try {
             Long execute = redisTemplate.execute(redisScript, keys, args);
-
+            if (execute == null) {
+                return false;
+            }
             return CommonConstant.TRUE.equals(execute.intValue());
         } catch (Exception e) {
 
             log.error("redis execLimitLua fail! e:{}", Throwables.getStackTraceAsString(e));
         }
-
         return false;
     }