diff --git a/kernel-d-pay/pay-api/pom.xml b/kernel-d-pay/pay-api/pom.xml
new file mode 100644
index 000000000..b8e92f1ba
--- /dev/null
+++ b/kernel-d-pay/pay-api/pom.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>kernel-d-pay</artifactId>
+        <groupId>cn.stylefeng.roses</groupId>
+        <version>7.0.4</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>pay-api</artifactId>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/PayApi.java b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/PayApi.java
new file mode 100644
index 000000000..3c0604a76
--- /dev/null
+++ b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/PayApi.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright [2020-2030] [https://www.stylefeng.cn]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ *
+ * Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
+ *
+ * 1.请不要删除和修改根目录下的LICENSE文件。
+ * 2.请不要删除和修改Guns源码头部的版权声明。
+ * 3.请保留源码和相关描述文件的项目出处，作者声明等。
+ * 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 6.若您的项目无法满足以上几点，可申请商业授权
+ */
+package cn.stylefeng.roses.kernel.pay.api;
+
+
+import cn.stylefeng.roses.kernel.pay.api.pojo.TradeRefundResponse;
+
+/**
+ * 支付的api
+ *
+ * @author huziyang
+ * @date 2021/04/20 20:43
+ */
+public interface PayApi {
+
+    /**
+     * PC网页支付
+     *
+     * @param orderName 订单名称
+     * @param outTradeNo 商家订单编号
+     * @param total 金额
+     * @param returnUrl 付款完成后跳转页面
+     * @return 支付页面
+     * @author huziyang
+     * @date 2021/04/20 20:43
+     */
+    String page(String orderName, String outTradeNo, String total, String returnUrl);
+
+
+    /**
+     * 手机支付
+     *
+     * @param orderName 订单名称
+     * @param outTradeNo 商家订单编号
+     * @param total 金额
+     * @param quitUrl 中途退出时返回的页面
+     * @param returnUrl 付款完成后跳转页面
+     * @return 支付页面
+     * @author huziyang
+     * @date 2021/04/20 20:43
+     */
+    String wap(String orderName, String outTradeNo, String total, String quitUrl, String returnUrl);
+
+
+    /**
+     * 退款
+     *
+     * @param outTradeNo 商家订单编号
+     * @param refundAmount 退款金额
+     * @return 退款结果
+     * @author huziyang
+     * @date 2021/04/20 20:43
+     */
+    TradeRefundResponse refund(String outTradeNo, String refundAmount);
+
+
+}
diff --git a/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/constants/PayConstants.java b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/constants/PayConstants.java
new file mode 100644
index 000000000..5a1384847
--- /dev/null
+++ b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/constants/PayConstants.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright [2020-2030] [https://www.stylefeng.cn]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ *
+ * Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
+ *
+ * 1.请不要删除和修改根目录下的LICENSE文件。
+ * 2.请不要删除和修改Guns源码头部的版权声明。
+ * 3.请保留源码和相关描述文件的项目出处，作者声明等。
+ * 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 6.若您的项目无法满足以上几点，可申请商业授权
+ */
+package cn.stylefeng.roses.kernel.pay.api.constants;
+
+/**
+ * 支付模块的常量
+ *
+ * @author huziyang
+ * @date 2021/04/20 20:43
+ */
+public interface PayConstants {
+
+    /**
+     * mongodb模块的名称
+     */
+    String PAY_MODULE_NAME = "kernel-d-pay";
+
+    /**
+     * 异常枚举的步进值
+     */
+    String PAY_EXCEPTION_STEP_CODE = "80";
+
+
+    /**
+     * 退款成功的返回码
+     */
+    String REFUND_SUCCESS_CODE = "10000";
+
+    /**
+     * 退款失败的返回码
+     */
+    String REFUND_ERROR_CODE = "40000";
+
+}
diff --git a/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/exception/PayException.java b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/exception/PayException.java
new file mode 100644
index 000000000..594fad767
--- /dev/null
+++ b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/exception/PayException.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright [2020-2030] [https://www.stylefeng.cn]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ *
+ * Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
+ *
+ * 1.请不要删除和修改根目录下的LICENSE文件。
+ * 2.请不要删除和修改Guns源码头部的版权声明。
+ * 3.请保留源码和相关描述文件的项目出处，作者声明等。
+ * 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 6.若您的项目无法满足以上几点，可申请商业授权
+ */
+package cn.stylefeng.roses.kernel.pay.api.exception;
+
+import cn.stylefeng.roses.kernel.pay.api.constants.PayConstants;
+import cn.stylefeng.roses.kernel.rule.exception.AbstractExceptionEnum;
+import cn.stylefeng.roses.kernel.rule.exception.base.ServiceException;
+
+/**
+ * 支付模块的异常
+ *
+ * @author huziyang
+ * @date 2021/04/20 20:43
+ */
+public class PayException extends ServiceException {
+
+    public PayException(AbstractExceptionEnum exception) {
+        super(PayConstants.PAY_MODULE_NAME, exception);
+    }
+
+}
diff --git a/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/pojo/TradeRefundResponse.java b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/pojo/TradeRefundResponse.java
new file mode 100644
index 000000000..41291a1a4
--- /dev/null
+++ b/kernel-d-pay/pay-api/src/main/java/cn/stylefeng/roses/kernel/pay/api/pojo/TradeRefundResponse.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright [2020-2030] [https://www.stylefeng.cn]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * 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.
+ *
+ * Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
+ *
+ * 1.请不要删除和修改根目录下的LICENSE文件。
+ * 2.请不要删除和修改Guns源码头部的版权声明。
+ * 3.请保留源码和相关描述文件的项目出处，作者声明等。
+ * 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
+ * 6.若您的项目无法满足以上几点，可申请商业授权
+ */
+package cn.stylefeng.roses.kernel.pay.api.pojo;
+
+import cn.stylefeng.roses.kernel.pay.api.constants.PayConstants;
+import lombok.*;
+
+/**
+ * 退款响应
+ *
+ * @author huziyang
+ * @date 2021/04/20 20:43
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class TradeRefundResponse{
+
+    /**
+     * 退款状态码
+     */
+    private String code;
+
+    /**
+     * 状态描述
+     */
+    private String msg;
+
+    /**
+     * 商家订单号
+     */
+    private String outTradeNo;
+
+    /**
+     * 退款金额
+     */
+    private String refundFee;
+
+    /**
+     * 各厂商系统中的交易流水号
+     */
+    private String tradeNo;
+
+    /**
+     * 退款实际的发生时间
+     */
+    private String gmtRefundPay;
+
+    /**
+     * 买家账号
+     */
+    private String buyerLogonId;
+
+    /**
+     * 买家在各厂商系统中的用户id
+     */
+    private String buyerUserId;
+
+    /**
+     * 各厂商响应值
+     */
+    private Object data;
+
+    /**
+     * 初始化一个新创建的 TradeRefundResponse对象
+     *
+     * @param code 状态码
+     * @param msg 描述
+     * @param data 对象值
+     * @author huziyang
+     * @date 2021/04/20 20:43
+     */
+    public TradeRefundResponse(String code, String msg, Object data){
+        this.code = code;
+        this.msg = msg;
+        this.data = data;
+    }
+
+    /**
+     * 返回错误信息
+     *
+     * @param msg 描述
+     * @param data 对象值
+     * @return TradeRefundResponse对象
+     * @author huziyang
+     * @date 2021/04/20 20:43
+     */
+    public static TradeRefundResponse error(String msg, Object data){
+        return new TradeRefundResponse(PayConstants.REFUND_ERROR_CODE,msg,data);
+    }
+
+
+    /**
+     * 返回错误信息
+     *
+     * @param msg 描述
+     * @return TradeRefundResponse对象
+     * @author huziyang
+     * @date 2021/04/20 20:43
+     */
+    public static TradeRefundResponse error(String msg){
+        return error(msg,null);
+    }
+
+
+}
diff --git a/kernel-d-pay/pom.xml b/kernel-d-pay/pom.xml
new file mode 100644
index 000000000..f5611541b
--- /dev/null
+++ b/kernel-d-pay/pom.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>roses-kernel</artifactId>
+        <groupId>cn.stylefeng.roses</groupId>
+        <version>7.0.4</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>kernel-d-pay</artifactId>
+    <packaging>pom</packaging>
+    <modules>
+        <module>pay-api</module>
+        <module>pay-sdk-alipay</module>
+    </modules>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+
+        <!-- 开发规则 -->
+        <dependency>
+            <groupId>cn.stylefeng.roses</groupId>
+            <artifactId>kernel-a-rule</artifactId>
+            <version>7.0.4</version>
+        </dependency>
+
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 953dd9c0d..3f42d17d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,6 +94,9 @@
         <!--mongodb模块-->
         <module>kernel-d-mongodb</module>
 
+        <!-- 支付模块 -->
+        <module>kernel-d-pay</module>
+
         <!--系统管理基础业务-->
         <module>kernel-s-system</module>