diff --git a/sms4j-provider/src/main/java/org/dromara/sms4j/unisms/core/UniClient.java b/sms4j-provider/src/main/java/org/dromara/sms4j/unisms/core/UniClient.java
index 8c82dd4a..1dd06f9c 100644
--- a/sms4j-provider/src/main/java/org/dromara/sms4j/unisms/core/UniClient.java
+++ b/sms4j-provider/src/main/java/org/dromara/sms4j/unisms/core/UniClient.java
@@ -92,6 +92,8 @@ public class UniClient {
             url = this.endpoint + "?action=" + action + "&accessKeyId=" + this.accessKeyId;
         } else {
             Map<String, Object> d = new HashMap<>();
+            d.put("action", action);
+            d.put("accessKeyId", this.accessKeyId);
             Map<String, Object> signed = sign(d);
             url = this.endpoint + "?action=" + action + "&accessKeyId=" + this.accessKeyId + "&algorithm=" + signed.get("algorithm") +
                     "&timestamp=" + signed.get("timestamp") + "&nonce=" + signed.get("nonce") + "&signature=" + signed.get("signature");