diff --git a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayClient.java b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayClient.java
index 1f8f1a3..945c383 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayClient.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayClient.java
@@ -177,7 +177,7 @@ public class WechatPayClient {
                 throw new PayException("wechat pay server error,result : " + body);
             }
             if (Objects.isNull(body)) {
-                throw new IllegalStateException("cant obtain response body");
+                throw new PayException("cant obtain wechat response body");
             }