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..1f5f814 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
@@ -6,9 +6,9 @@ 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.config.AlipayClientSingleton;
 import com.java3y.austin.handler.domain.alipay.AlipayMiniProgramParam;
 import com.java3y.austin.support.utils.AccountUtils;
 import lombok.extern.slf4j.Slf4j;
@@ -40,9 +40,9 @@ public class AlipayMiniProgramAccountServiceImpl implements AlipayMiniProgramAcc
     public void send(AlipayMiniProgramParam miniProgramParam) throws AlipayApiException {
         AlipayMiniProgramAccount miniProgramAccount = accountUtils.getAccountById(miniProgramParam.getSendAccount(), AlipayMiniProgramAccount.class);
 
-        AlipayClient client = initService(miniProgramAccount);
+        AlipayClient client = AlipayClientSingleton.getSingleton(miniProgramAccount);
         List<AlipayOpenAppMiniTemplatemessageSendRequest> request = assembleReq(miniProgramParam, miniProgramAccount);
-        for(AlipayOpenAppMiniTemplatemessageSendRequest req : request){
+        for (AlipayOpenAppMiniTemplatemessageSendRequest req : request) {
             client.execute(req);
         }
     }
@@ -67,20 +67,20 @@ public class AlipayMiniProgramAccountServiceImpl implements AlipayMiniProgramAcc
         return requestList;
     }
 
-    /**
-     * 初始化支付宝小程序
-     */
-    private AlipayClient initService(AlipayMiniProgramAccount alipayMiniProgramAccount) throws AlipayApiException {
-        AlipayConfig alipayConfig = new AlipayConfig();
-        alipayConfig.setServerUrl("https://openapi.alipaydev.com/gateway.do");
-        alipayConfig.setAppId(alipayMiniProgramAccount.getAppId());
-        alipayConfig.setPrivateKey(alipayMiniProgramAccount.getPrivateKey());
-        alipayConfig.setFormat("json");
-        alipayConfig.setAlipayPublicKey(alipayMiniProgramAccount.getAlipayPublicKey());
-        alipayConfig.setCharset("utf-8");
-        alipayConfig.setSignType("RSA2");
-        return new DefaultAlipayClient(alipayConfig);
-    }
+//    /**
+//     * 初始化支付宝小程序
+//     */
+//    private AlipayClient initService(AlipayMiniProgramAccount alipayMiniProgramAccount) throws AlipayApiException {
+//        AlipayConfig alipayConfig = new AlipayConfig();
+//        alipayConfig.setServerUrl("https://openapi.alipaydev.com/gateway.do");
+//        alipayConfig.setAppId(alipayMiniProgramAccount.getAppId());
+//        alipayConfig.setPrivateKey(alipayMiniProgramAccount.getPrivateKey());
+//        alipayConfig.setFormat("json");
+//        alipayConfig.setAlipayPublicKey(alipayMiniProgramAccount.getAlipayPublicKey());
+//        alipayConfig.setCharset("utf-8");
+//        alipayConfig.setSignType("RSA2");
+//        return new DefaultAlipayClient(alipayConfig);
+//    }
 
 
 }
diff --git a/austin-handler/src/main/java/com/java3y/austin/handler/config/AlipayClientSingleton.java b/austin-handler/src/main/java/com/java3y/austin/handler/config/AlipayClientSingleton.java
new file mode 100644
index 0000000..13e04be
--- /dev/null
+++ b/austin-handler/src/main/java/com/java3y/austin/handler/config/AlipayClientSingleton.java
@@ -0,0 +1,46 @@
+package com.java3y.austin.handler.config;
+
+import com.alipay.api.AlipayApiException;
+import com.alipay.api.AlipayConfig;
+import com.alipay.api.DefaultAlipayClient;
+import com.java3y.austin.common.dto.account.AlipayMiniProgramAccount;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 初始化支付宝小程序 单例
+ *
+ * @author 丁新东
+ * @date 2022-12-07
+ */
+public class AlipayClientSingleton {
+
+    private static volatile DefaultAlipayClient alipayClientSingleton;
+
+    private static Map<String, DefaultAlipayClient> alipayClientMap = new HashMap<>();
+
+    private AlipayClientSingleton() {
+    }
+
+    public static DefaultAlipayClient getSingleton(AlipayMiniProgramAccount alipayMiniProgramAccount) throws AlipayApiException {
+        if (!alipayClientMap.containsKey(alipayMiniProgramAccount.getAppId())) {
+            synchronized (DefaultAlipayClient.class) {
+                if (!alipayClientMap.containsKey(alipayMiniProgramAccount.getAppId())) {
+                    AlipayConfig alipayConfig = new AlipayConfig();
+                    alipayConfig.setServerUrl("https://openapi.alipaydev.com/gateway.do");
+                    alipayConfig.setAppId(alipayMiniProgramAccount.getAppId());
+                    alipayConfig.setPrivateKey(alipayMiniProgramAccount.getPrivateKey());
+                    alipayConfig.setFormat("json");
+                    alipayConfig.setAlipayPublicKey(alipayMiniProgramAccount.getAlipayPublicKey());
+                    alipayConfig.setCharset("utf-8");
+                    alipayConfig.setSignType("RSA2");
+                    alipayClientSingleton = new DefaultAlipayClient(alipayConfig);
+                    alipayClientMap.put(alipayMiniProgramAccount.getAppId(), alipayClientSingleton);
+                    return alipayClientSingleton;
+                }
+            }
+        }
+        return alipayClientMap.get(alipayMiniProgramAccount.getAppId());
+    }
+}
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;
     }