diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java
index 723022e..392111f 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.enumeration;
 
@@ -27,23 +26,66 @@ package cn.felord.payment.wechat.enumeration;
  * @since 1.0.0.RELEASE
  */
 public enum CouponBgColor {
+    /**
+     * Color 010 coupon bg color.
+     */
     COLOR010("#63B359"),
+    /**
+     * Color 020 coupon bg color.
+     */
     COLOR020("#2C9F67"),
+    /**
+     * Color 030 coupon bg color.
+     */
     COLOR030("#509FC9"),
+    /**
+     * Color 040 coupon bg color.
+     */
     COLOR040("#5885CF"),
+    /**
+     * Color 050 coupon bg color.
+     */
     COLOR050("#9062C0"),
+    /**
+     * Color 060 coupon bg color.
+     */
     COLOR060("#D09A45"),
+    /**
+     * Color 070 coupon bg color.
+     */
     COLOR070("#E4B138"),
+    /**
+     * Color 080 coupon bg color.
+     */
     COLOR080("#EE903C"),
+    /**
+     * Color 090 coupon bg color.
+     */
     COLOR090("#DD6549"),
+    /**
+     * Color 100 coupon bg color.
+     */
     COLOR100("#CC463D");
 
+    /**
+     * The Color.
+     */
     private final String color;
 
+    /**
+     * Instantiates a new Coupon bg color.
+     *
+     * @param color the color
+     */
     CouponBgColor(String color) {
         this.color = color;
     }
 
+    /**
+     * Color string.
+     *
+     * @return the string
+     */
     public String color() {
         return this.color;
     }
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java
index 71a440d..ccfbce2 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatMarketingFavorApi.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3;
 
@@ -212,7 +211,7 @@ public class WechatMarketingFavorApi extends AbstractApi {
     private RequestEntity<?> startAndRestartAndPauseStockFunction(WechatPayV3Type type, String stockId) {
         WechatPayProperties.V3 v3 = this.wechatMetaBean().getV3();
         String mchId = v3.getMchId();
-        Map<String, String> body = new HashMap<>();
+        Map<String, String> body = new HashMap<>(1);
         body.put("stock_creator_mchid", mchId);
 
         URI uri = UriComponentsBuilder.fromHttpUrl(type.uri(WeChatServer.CHINA))
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java
index df969da..ddc9301 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3;
 
@@ -98,7 +97,7 @@ public class WechatPayCallback {
         String data = this.callback(params, EventType.COUPON);
         CouponConsumeData consumeData = MAPPER.readValue(data, CouponConsumeData.class);
         consumeDataConsumer.accept(consumeData);
-        Map<String, Object> responseBody = new HashMap<>();
+        Map<String, Object> responseBody = new HashMap<>(2);
         responseBody.put("code", 200);
         responseBody.put("message", "SUCCESS");
         return responseBody;
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksCreateParams.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksCreateParams.java
index 109a8ce..dae859b 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksCreateParams.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksCreateParams.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3.model;
 
@@ -72,7 +71,7 @@ public class StocksCreateParams {
     /**
      * 扩展属性
      */
-    private String ext_info;
+    private String extInfo;
     /**
      * 批次使用规则
      */
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksQueryParams.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksQueryParams.java
index 64b810f..35f8a20 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksQueryParams.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/StocksQueryParams.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3.model;
 
@@ -37,28 +36,14 @@ public class StocksQueryParams {
      * 必填
      * <p>
      * 条件查询批次列表API 页码从0开始，默认第0页，传递1可能出错。
-     * <p>
-     * 查询代金券可用商户API 分页页码，最大1000。
-     * <p>
-     * 查询代金券可用单品API 最大500。
      */
     private Integer offset = 0;
     /**
      * 必填
      * <p>
      * 条件查询批次列表API 分页大小，最大10。
-     * <p>
-     * 查询代金券可用商户API 最大50。
-     * <p>
-     * 查询代金券可用单品API 最大100。
      */
     private Integer limit = 10;
-    /*    *//**
-     * 根据API而定
-     * <p>
-     * 批次ID
-     *//*
-    private String stockId;*/
     /**
      * 选填
      * <p>
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java
index 50688d4..0cb4748 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/combine/CombineH5SceneInfo.java
@@ -14,14 +14,18 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3.model.combine;
 
 import cn.felord.payment.wechat.v3.model.H5Info;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
-
+/**
+ * 合单支付 H5场景信息.
+ *
+ * @author felord.cn
+ * @since 1.0.0.RELEASE
+ */
 @EqualsAndHashCode(callSuper = true)
 @Data
 public class CombineH5SceneInfo extends CombineSceneInfo {
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/payscore/CompleteServiceOrderParams.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/payscore/CompleteServiceOrderParams.java
index b7a719a..b37d697 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/payscore/CompleteServiceOrderParams.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/model/payscore/CompleteServiceOrderParams.java
@@ -14,7 +14,6 @@
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
- *
  */
 package cn.felord.payment.wechat.v3.model.payscore;
 
@@ -85,7 +84,7 @@ public class CompleteServiceOrderParams {
      * <p>
      * 代金券或立减金优惠的参数，说明详见代金券或立减金优惠
      */
-    private String goods_tag;
+    private String goodsTag;
 
 
     /**