diff --git a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/SignatureProvider.java b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/SignatureProvider.java
index 3f74a00..7184e9b 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/SignatureProvider.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/SignatureProvider.java
@@ -48,9 +48,7 @@ import java.util.stream.Collectors;
  * @since 16 :48
  */
 public class SignatureProvider {
-    /**
-     * The constant APPLICATION_JSON.
-     */
+
     private static final IdGenerator ID_GENERATOR = new AlternativeJdkIdGenerator();
     private static final String SCHEMA = "WECHATPAY2-SHA256-RSA2048 ";
     private final RestOperations restOperations = new RestTemplate();