diff --git a/sms4j-provider/src/main/java/org/dromara/sms4j/aliyun/service/AlibabaSmsImpl.java b/sms4j-provider/src/main/java/org/dromara/sms4j/aliyun/service/AlibabaSmsImpl.java
index 0174dd7c..507e3848 100644
--- a/sms4j-provider/src/main/java/org/dromara/sms4j/aliyun/service/AlibabaSmsImpl.java
+++ b/sms4j-provider/src/main/java/org/dromara/sms4j/aliyun/service/AlibabaSmsImpl.java
@@ -57,7 +57,7 @@ public class AlibabaSmsImpl extends AbstractSmsBlend<AlibabaConfig> {
 
     @Override
     public SmsResponse sendMessage(String phone, String message) {
-        LinkedHashMap<String, String> map = new LinkedHashMap<>();
+        LinkedHashMap<String, String> map = new LinkedHashMap<>(1);
         map.put(getConfig().getTemplateName(), message);
         return sendMessage(phone, getConfig().getTemplateId(), map);
     }