diff --git a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMarketingApi.java b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMarketingApi.java
index be12acd..7e2c5f7 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMarketingApi.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMarketingApi.java
@@ -270,8 +270,10 @@ public class WechatMarketingApi extends AbstractApi {
         body.add("file", file.getResource());
         // 签名
         String metaStr = this.getMapper().writeValueAsString(meta);
-        return RequestEntity.post(uri).header("Content-Type", MediaType.MULTIPART_FORM_DATA_VALUE)
-                .header("Meta-Info",metaStr).body(body);
+        return RequestEntity.post(uri)
+                .header("Content-Type", MediaType.MULTIPART_FORM_DATA_VALUE)
+                .header("Meta-Info",metaStr)
+                .body(body);
     }
 
     /**
diff --git a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMetaBean.java b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMetaBean.java
index 33ae035..ab8f1c3 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMetaBean.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatMetaBean.java
@@ -20,8 +20,8 @@ public class WechatMetaBean implements InitializingBean {
 
     @Override
     public void afterPropertiesSet() throws Exception {
-        Assert.notNull(wechatPayProperties, "wechatPayProperties must not be null");
-        Assert.notNull(keyPair, "wechat pay p12 certificate has not loaded");
-        Assert.hasText(serialNumber, "wechat pay p12 certificate SerialNumber must not null");
+        Assert.notNull(wechatPayProperties, "wechatPayProperties is required");
+        Assert.notNull(keyPair, "wechat pay p12 certificate is required");
+        Assert.hasText(serialNumber, "wechat pay p12 certificate SerialNumber is required");
     }
 }
diff --git a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayApi.java b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayApi.java
index 8ccf7bc..a8c5110 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayApi.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatPayApi.java
@@ -11,7 +11,7 @@ import org.springframework.web.util.UriComponentsBuilder;
 import java.net.URI;
 
 /**
- * The type Wechat pay v 3 api.
+ * The type Wechat pay api.
  *
  * @author Dax
  * @since 16 :15
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 d1a8c72..a471fcf 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
@@ -146,8 +146,6 @@ public class WechatPayClient {
             if (encodedQuery != null) {
                 canonicalUrl += "?" + encodedQuery;
             }
-
-
             // 签名
             HttpMethod httpMethod = requestEntity.getMethod();
             Assert.notNull(httpMethod, "httpMethod is required");
diff --git a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatResponseEntity.java b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatResponseEntity.java
index c06989f..0b65ad4 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatResponseEntity.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/com/enongm/dianji/payment/wechat/v3/WechatResponseEntity.java
@@ -8,8 +8,11 @@ import org.springframework.http.ResponseEntity;
 import java.util.Objects;
 
 /**
+ * The type Wechat response entity.
+ *
+ * @param <T> the type parameter
  * @author Dax
- * @since 13:20
+ * @since 13 :20
  */
 @Slf4j
 @Data
@@ -18,6 +21,11 @@ public class WechatResponseEntity<T> {
     private T body;
 
 
+    /**
+     * Convert {@link ResponseEntity} to {@link WechatResponseEntity}.
+     *
+     * @param responseEntity the response entity
+     */
     public void convert(ResponseEntity<T> responseEntity) {
         if (log.isDebugEnabled()) {
             log.debug("wechat response {}", responseEntity);
@@ -31,10 +39,64 @@ public class WechatResponseEntity<T> {
         }
     }
 
+
+    /**
+     * Is 1 xx informational boolean.
+     *
+     * @return the boolean
+     */
+    public boolean is1xxInformational() {
+        if (log.isDebugEnabled()) {
+            log.debug("wechat httpStatus {}", this.httpStatus);
+        }
+        return HttpStatus.valueOf(this.httpStatus).is1xxInformational();
+    }
+
+    /**
+     * Is 2xx successful boolean.
+     *
+     * @return the boolean
+     */
     public boolean is2xxSuccessful() {
         if (log.isDebugEnabled()) {
             log.debug("wechat httpStatus {}", this.httpStatus);
         }
         return HttpStatus.valueOf(this.httpStatus).is2xxSuccessful();
     }
+
+    /**
+     * Is 3xx redirection boolean.
+     *
+     * @return the boolean
+     */
+    public boolean is3xxRedirection() {
+        if (log.isDebugEnabled()) {
+            log.debug("wechat httpStatus {}", this.httpStatus);
+        }
+        return HttpStatus.valueOf(this.httpStatus).is3xxRedirection();
+    }
+
+    /**
+     * Is 4xx client error boolean.
+     *
+     * @return the boolean
+     */
+    public boolean is4xxClientError() {
+        if (log.isDebugEnabled()) {
+            log.debug("wechat httpStatus {}", this.httpStatus);
+        }
+        return HttpStatus.valueOf(this.httpStatus).is4xxClientError();
+    }
+
+    /**
+     * Is 5xx server error boolean.
+     *
+     * @return the boolean
+     */
+    public boolean is5xxServerError() {
+        if (log.isDebugEnabled()) {
+            log.debug("wechat httpStatus {}", this.httpStatus);
+        }
+        return HttpStatus.valueOf(this.httpStatus).is5xxServerError();
+    }
 }