diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/config/WxPayConfig.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/config/WxPayConfig.java
index 684073d0a..a43724cfb 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/config/WxPayConfig.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/config/WxPayConfig.java
@@ -1,181 +1,95 @@
 package com.github.binarywang.wxpay.config;
 
-import com.github.binarywang.wxpay.exception.WxPayException;
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.apache.http.ssl.SSLContexts;
-
-import javax.net.ssl.SSLContext;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.KeyStore;
+import javax.net.ssl.SSLContext;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.http.ssl.SSLContexts;
+
+import com.github.binarywang.wxpay.exception.WxPayException;
+import lombok.Data;
 
 /**
  * 微信支付配置
  *
  * @author Binary Wang (https://github.com/binarywang)
  */
+@Data
 public class WxPayConfig {
 
   /**
-   * http请求连接超时时间
+   * http请求连接超时时间.
    */
   private int httpConnectionTimeout = 5000;
 
   /**
-   * http请求数据读取等待时间
+   * http请求数据读取等待时间.
    */
   private int httpTimeout = 10000;
 
+  /**
+   * 公众号appid.
+   */
   private String appId;
+  /**
+   * 服务商模式下的子商户公众账号ID.
+   */
   private String subAppId;
+  /**
+   * 商户号.
+   */
   private String mchId;
+  /**
+   * 商户密钥.
+   */
   private String mchKey;
+  /**
+   * 服务商模式下的子商户号.
+   */
   private String subMchId;
+  /**
+   * 微信支付异步回掉地址，通知url必须为直接可访问的url，不能携带参数.
+   */
   private String notifyUrl;
-  private String tradeType;
-  private String signType;
-  private SSLContext sslContext;
-  private String keyPath;
-  private boolean useSandboxEnv = false;
-  private String httpProxyHost;
-  private Integer httpProxyPort;
-  private String httpProxyUsername;
-  private String httpProxyPassword;
-
-  public String getKeyPath() {
-    return keyPath;
-  }
-
   /**
-   * 设置证书
-   *
-   * @param keyPath apiclient_cert.p12的文件的绝对路径
-   */
-  public void setKeyPath(String keyPath) {
-    this.keyPath = keyPath;
-  }
-
-  /**
-   * 商户号
-   */
-  public String getMchId() {
-    return this.mchId;
-  }
-
-  public void setMchId(String mchId) {
-    this.mchId = mchId;
-  }
-
-  /**
-   * 商户密钥
-   */
-  public String getMchKey() {
-    return this.mchKey;
-  }
-
-  public void setMchKey(String mchKey) {
-    this.mchKey = mchKey;
-  }
-
-  /**
-   * 公众号appid
-   */
-  public String getAppId() {
-    return this.appId;
-  }
-
-  public void setAppId(String appId) {
-    this.appId = appId;
-  }
-
-  /**
-   * 服务商模式下的子商户公众账号ID
-   */
-  public String getSubAppId() {
-    return this.subAppId;
-  }
-
-  public void setSubAppId(String subAppId) {
-    this.subAppId = subAppId;
-  }
-
-  /**
-   * 服务商模式下的子商户号
-   */
-  public String getSubMchId() {
-    return this.subMchId;
-  }
-
-  public void setSubMchId(String subMchId) {
-    this.subMchId = subMchId;
-  }
-
-  /**
-   * 微信支付异步回掉地址，通知url必须为直接可访问的url，不能携带参数。
-   */
-  public String getNotifyUrl() {
-    return this.notifyUrl;
-  }
-
-  public void setNotifyUrl(String notifyUrl) {
-    this.notifyUrl = notifyUrl;
-  }
-
-  /**
-   * 交易类型
+   * 交易类型.
    * <pre>
    * JSAPI--公众号支付
    * NATIVE--原生扫码支付
    * APP--app支付
    * </pre>
    */
-  public String getTradeType() {
-    return this.tradeType;
-  }
-
-  public void setTradeType(String tradeType) {
-    this.tradeType = tradeType;
-  }
-
+  private String tradeType;
   /**
-   * 签名方式
+   * 签名方式.
    * 有两种HMAC_SHA256 和MD5
+   *
    * @see com.github.binarywang.wxpay.constant.WxPayConstants.SignType
    */
-  public String getSignType() {
-    return this.signType;
-  }
-
-  public void setSignType(String signType) {
-    this.signType = signType;
-  }
-
-  public SSLContext getSslContext() {
-    return this.sslContext;
-  }
-
-  public void setSslContext(SSLContext sslContext) {
-    this.sslContext = sslContext;
-  }
-
+  private String signType;
+  private SSLContext sslContext;
   /**
-   * 微信支付是否使用仿真测试环境
+   * 证书apiclient_cert.p12的文件的绝对路径.
+   */
+  private String keyPath;
+  /**
+   * 微信支付是否使用仿真测试环境.
    * 默认不使用
    */
-  public boolean useSandbox() {
-    return this.useSandboxEnv;
-  }
+  private boolean useSandboxEnv = false;
+  private String httpProxyHost;
+  private Integer httpProxyPort;
+  private String httpProxyUsername;
+  private String httpProxyPassword;
 
   /**
-   * 设置是否使用沙箱仿真测试环境
+   * 初始化ssl.
    */
-  public void setUseSandboxEnv(boolean useSandboxEnv) {
-    this.useSandboxEnv = useSandboxEnv;
-  }
-
   public SSLContext initSSLContext() throws WxPayException {
     if (StringUtils.isBlank(this.getMchId())) {
       throw new WxPayException("请确保商户号mchId已设置");
@@ -224,57 +138,4 @@ public class WxPayConfig {
     }
   }
 
-  /**
-   * http请求连接超时时间
-   */
-  public int getHttpConnectionTimeout() {
-    return this.httpConnectionTimeout;
-  }
-
-  public void setHttpConnectionTimeout(int httpConnectionTimeout) {
-    this.httpConnectionTimeout = httpConnectionTimeout;
-  }
-
-  /**
-   * http请求数据读取等待时间
-   */
-  public int getHttpTimeout() {
-    return this.httpTimeout;
-  }
-
-  public void setHttpTimeout(int httpTimeout) {
-    this.httpTimeout = httpTimeout;
-  }
-
-  public String getHttpProxyHost() {
-    return httpProxyHost;
-  }
-
-  public void setHttpProxyHost(String httpProxyHost) {
-    this.httpProxyHost = httpProxyHost;
-  }
-
-  public Integer getHttpProxyPort() {
-    return httpProxyPort;
-  }
-
-  public void setHttpProxyPort(Integer httpProxyPort) {
-    this.httpProxyPort = httpProxyPort;
-  }
-
-  public String getHttpProxyUsername() {
-    return httpProxyUsername;
-  }
-
-  public void setHttpProxyUsername(String httpProxyUsername) {
-    this.httpProxyUsername = httpProxyUsername;
-  }
-
-  public String getHttpProxyPassword() {
-    return httpProxyPassword;
-  }
-
-  public void setHttpProxyPassword(String httpProxyPassword) {
-    this.httpProxyPassword = httpProxyPassword;
-  }
 }
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java
index 5f0e8d792..54279e7f9 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/BaseWxPayServiceImpl.java
@@ -1,8 +1,29 @@
 package com.github.binarywang.wxpay.service.impl;
 
+import java.io.File;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.zip.ZipException;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import com.github.binarywang.utils.qrcode.QrcodeUtils;
 import com.github.binarywang.wxpay.bean.WxPayApiData;
-import com.github.binarywang.wxpay.bean.coupon.*;
+import com.github.binarywang.wxpay.bean.coupon.WxPayCouponInfoQueryRequest;
+import com.github.binarywang.wxpay.bean.coupon.WxPayCouponInfoQueryResult;
+import com.github.binarywang.wxpay.bean.coupon.WxPayCouponSendRequest;
+import com.github.binarywang.wxpay.bean.coupon.WxPayCouponSendResult;
+import com.github.binarywang.wxpay.bean.coupon.WxPayCouponStockQueryRequest;
+import com.github.binarywang.wxpay.bean.coupon.WxPayCouponStockQueryResult;
 import com.github.binarywang.wxpay.bean.notify.WxPayOrderNotifyResult;
 import com.github.binarywang.wxpay.bean.notify.WxPayRefundNotifyResult;
 import com.github.binarywang.wxpay.bean.notify.WxScanPayNotifyResult;
@@ -10,10 +31,38 @@ import com.github.binarywang.wxpay.bean.order.WxPayAppOrderResult;
 import com.github.binarywang.wxpay.bean.order.WxPayMpOrderResult;
 import com.github.binarywang.wxpay.bean.order.WxPayMwebOrderResult;
 import com.github.binarywang.wxpay.bean.order.WxPayNativeOrderResult;
-import com.github.binarywang.wxpay.bean.request.*;
-import com.github.binarywang.wxpay.bean.result.*;
+import com.github.binarywang.wxpay.bean.request.WxPayAuthcode2OpenidRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayDefaultRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayDownloadBillRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayMicropayRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayOrderCloseRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayOrderQueryRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayOrderReverseRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayQueryCommentRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayRedpackQueryRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayRefundQueryRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayRefundRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayReportRequest;
+import com.github.binarywang.wxpay.bean.request.WxPaySendRedpackRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayShorturlRequest;
+import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
+import com.github.binarywang.wxpay.bean.result.BaseWxPayResult;
+import com.github.binarywang.wxpay.bean.result.WxPayAuthcode2OpenidResult;
+import com.github.binarywang.wxpay.bean.result.WxPayBillBaseResult;
+import com.github.binarywang.wxpay.bean.result.WxPayBillResult;
+import com.github.binarywang.wxpay.bean.result.WxPayCommonResult;
+import com.github.binarywang.wxpay.bean.result.WxPayMicropayResult;
+import com.github.binarywang.wxpay.bean.result.WxPayOrderCloseResult;
+import com.github.binarywang.wxpay.bean.result.WxPayOrderQueryResult;
+import com.github.binarywang.wxpay.bean.result.WxPayOrderReverseResult;
+import com.github.binarywang.wxpay.bean.result.WxPayRedpackQueryResult;
+import com.github.binarywang.wxpay.bean.result.WxPayRefundQueryResult;
+import com.github.binarywang.wxpay.bean.result.WxPayRefundResult;
+import com.github.binarywang.wxpay.bean.result.WxPaySandboxSignKeyResult;
+import com.github.binarywang.wxpay.bean.result.WxPaySendRedpackResult;
+import com.github.binarywang.wxpay.bean.result.WxPayShorturlResult;
+import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderResult;
 import com.github.binarywang.wxpay.config.WxPayConfig;
-import com.github.binarywang.wxpay.constant.WxPayConstants;
 import com.github.binarywang.wxpay.constant.WxPayConstants.BillType;
 import com.github.binarywang.wxpay.constant.WxPayConstants.SignType;
 import com.github.binarywang.wxpay.constant.WxPayConstants.TradeType;
@@ -24,18 +73,6 @@ import com.github.binarywang.wxpay.util.SignUtils;
 import com.google.common.base.Joiner;
 import com.google.common.collect.Maps;
 import jodd.io.ZipUtil;
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.*;
-import java.util.zip.ZipException;
 
 import static com.github.binarywang.wxpay.constant.WxPayConstants.QUERY_COMMENT_DATE_FORMAT;
 import static com.github.binarywang.wxpay.constant.WxPayConstants.TarType;
@@ -79,7 +116,7 @@ public abstract class BaseWxPayServiceImpl implements WxPayService {
 
   @Override
   public String getPayBaseUrl() {
-    if (this.getConfig().useSandbox()) {
+    if (this.getConfig().isUseSandboxEnv()) {
       return PAY_BASE_URL + "/sandboxnew";
     }
 
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/testbase/XmlWxPayConfig.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/testbase/XmlWxPayConfig.java
index d029590ad..ca7d7cf92 100644
--- a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/testbase/XmlWxPayConfig.java
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/testbase/XmlWxPayConfig.java
@@ -16,9 +16,9 @@ public class XmlWxPayConfig extends WxPayConfig {
   }
 
   @Override
-  public boolean useSandbox() {
+  public boolean isUseSandboxEnv() {
     //沙箱环境不成熟，有问题无法使用，暂时屏蔽掉
-//     return true;
+    //return true;
     return false;
   }
 }