diff --git a/WePayV3/Ecommerce.php b/WePayV3/Ecommerce.php
new file mode 100644
index 0000000..340507a
--- /dev/null
+++ b/WePayV3/Ecommerce.php
@@ -0,0 +1,655 @@
+<?php
+
+// +----------------------------------------------------------------------
+// | WeChatDeveloper
+// +----------------------------------------------------------------------
+// | 版权所有 2014~2024 ThinkAdmin [ thinkadmin.top ]
+// +----------------------------------------------------------------------
+// | 官方网站: https://thinkadmin.top
+// +----------------------------------------------------------------------
+// | 开源协议 ( https://mit-license.org )
+// | 免责声明 ( https://thinkadmin.top/disclaimer )
+// +----------------------------------------------------------------------
+// | gitee 代码仓库：https://gitee.com/zoujingli/WeChatDeveloper
+// | github 代码仓库：https://github.com/zoujingli/WeChatDeveloper
+// +----------------------------------------------------------------------
+
+namespace WePayV3;
+
+use WePayV3\Contracts\BasicWePay;
+
+/**
+ * 平台收付通
+ * @class Ecommerce
+ * @package WePayV3
+ */
+class Ecommerce extends BasicWePay
+{
+    /**
+     * 提交申请单（商户进件）
+     * @param array $data 进件参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function ecommerceApplyments($data)
+    {
+        return $this->doRequest('POST', '/v3/ecommerce/applyments/', json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 通过业务申请编号查询申请状态（商户进件）
+     * @param string $out_request_no 业务申请编号
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function ecommerceApplymentsByRequestNo($out_request_no)
+    {
+        $pathinfo = "/v3/ecommerce/applyments/out-request-no/{$out_request_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 通过申请单ID查询申请状态（商户进件）
+     * @param string $applyment_id 微信支付申请单号
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function ecommerceApplymentsByApplymentId($applyment_id)
+    {
+        $pathinfo = "/v3/ecommerce/applyments/{$applyment_id}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+
+    /**
+     * 修改结算账户（商户进件）
+     * @param string $sub_mchid 特约商户/二级商户号
+     * @param array $data 包体参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function modifySettlement($sub_mchid, $data)
+    {
+        $pathinfo = "/v3/apply4sub/sub_merchants/{$sub_mchid}/modify-settlement";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 查询结算账户修改申请状态（商户进件）
+     * @param string $sub_mchid 特约商户/二级商户号
+     * @param string $application_no 修改结算账户申请单号
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function modifySettlementResult($sub_mchid, $application_no)
+    {
+        $pathinfo = "/v3/apply4sub/sub_merchants/{$sub_mchid}/application/{$application_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+
+    /**
+     * 查询结算账户（商户进件）
+     * @param string $sub_mchid 特约商户/二级商户号
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function getSettlement($sub_mchid)
+    {
+        $pathinfo = "/v3/apply4sub/sub_merchants/{$sub_mchid}/settlement";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 上传文件（商户进件）
+     * @param string $filename 文件目录
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function mediaUpload($filename)
+    {
+        return $this->doUpload('/v3/merchant/media/upload', $filename, true);
+    }
+
+    /**
+     * APP下单（普通支付）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function transactionsApp($data)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/app";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * JSAPI下单（普通支付）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function transactionsJsapi($data)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/jsapi";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * Native下单（普通支付）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function transactionsNative($data)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/native";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * H5下单（普通支付）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function transactionsH5($data)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/h5";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 微信支付订单号查询订单（普通支付）
+     * @param string $transaction_id
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function getTransactionsById($transaction_id)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/id/{$transaction_id}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 微信支付商户订单号查询订单（普通支付）
+     * @param string $out_trade_no
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function getTransactionsByTradeNo($out_trade_no)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/out-trade-no/{$out_trade_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 关闭订单（普通支付）
+     * @param string $out_trade_no 商户订单号
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function transactionsClose($out_trade_no, $data)
+    {
+        $pathinfo = "/v3/pay/partner/transactions/out-trade-no/{$out_trade_no}/close";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+
+    }
+
+    /**
+     * JSAPI支付（合单下单）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function combineTransactionsJsapi($data)
+    {
+        $pathinfo = "/v3/combine-transactions/jsapi";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * APP支付（合单下单）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function combineTransactionsApp($data)
+    {
+        $pathinfo = "/v3/combine-transactions/app";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * H5支付（合单下单）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function combineTransactionsH5($data)
+    {
+        $pathinfo = "/v3/combine-transactions/h5";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * Native支付（合单下单）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function combineTransactionsNative($data)
+    {
+        $pathinfo = "/v3/combine-transactions/native";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 合单查询（合单支付）
+     * @param string $combine_out_trade_no
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function getCombineTransactionsByTradeNo($combine_out_trade_no)
+    {
+        $pathinfo = "/v3/combine-transactions/out-trade-no/{$combine_out_trade_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 合单关单（合单下单）
+     * @param $combine_out_trade_no
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function combineTransactionsClose($combine_out_trade_no, $data)
+    {
+        $pathinfo = "/v3/combine-transactions/out-trade-no/{$combine_out_trade_no}/close";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 请求分账(分账)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingOrders($data)
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/orders";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 查询分账结果(分账)
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryProfitsharingOrders($param = [])
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/orders?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 请求分账回退(分账)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingReturnOrders($data)
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/returnorders";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 查询分账回退结果(分账)
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryProfitsharingReturnOrders($param = [])
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/returnorders?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 完结分账(分账)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingFinishOrder($data)
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/finish-order";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 查询订单剩余待分金额(分账)
+     * @param string $transaction_id 微信订单号
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingReturnOrdersAmounts($transaction_id)
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/orders/{$transaction_id}/amounts";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 添加分账接收方(分账)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingReceiversAdd($data)
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/receivers/add";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 添加分账接收方(分账)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingReceiversDelete($data)
+    {
+        $pathinfo = "/v3/ecommerce/profitsharing/receivers/delete";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 请求补差(补差)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function subsidiesCreate($data)
+    {
+        $pathinfo = "/v3/ecommerce/subsidies/create";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 请求补差回退(补差)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function subsidiesReturn($data)
+    {
+        $pathinfo = "/v3/ecommerce/subsidies/return";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 取消补差(补差)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function subsidiesCancel($data)
+    {
+        $pathinfo = "/v3/ecommerce/subsidies/cancel";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 申请退款(退款)
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function refundsApply($data)
+    {
+        $pathinfo = "/v3/ecommerce/refunds/apply";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 查询单笔退款（按商户退款单号）(退款)
+     * @param string $refund_id
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryRefundsById($refund_id)
+    {
+        $pathinfo = "/v3/ecommerce/refunds/id/{$refund_id}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 查询单笔退款（按商户退款单号）(退款)
+     * @param string $out_refund_no
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryRefundsByNo($out_refund_no)
+    {
+        $pathinfo = "/v3/ecommerce/refunds/out-refund-no/{$out_refund_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 查询垫付回补结果(退款)
+     * @param string $refund_id
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryRefundsReturnAdvance($refund_id)
+    {
+        $pathinfo = "/v3/ecommerce/refunds/{$refund_id}/return-advance";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 查询垫付回补结果(退款)
+     * @param string $refund_id
+     * @param array $data
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function refundsReturnAdvance($refund_id, $data)
+    {
+        $pathinfo = "/v3/ecommerce/refunds/{$refund_id}/return-advance";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 查询二级商户账户实时余额API(余额查询)
+     * @param string $sub_mchid
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function fundBalance($sub_mchid)
+    {
+        $pathinfo = "/v3/ecommerce/fund/balance/{$sub_mchid}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 查询二级商户账户日终余额API(余额查询)
+     * @param string $sub_mchid
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function fundEnddayBalance($sub_mchid)
+    {
+        $pathinfo = "/v3/ecommerce/fund/enddaybalance/{$sub_mchid}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 查询收付通平台账户实时余额API(余额查询)
+     * @param string $account_type
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function merchantFundBalance($account_type)
+    {
+        $pathinfo = "/v3/merchant/fund/balance/{$account_type}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 查询收付通平台账户日终余额API(余额查询)
+     * @param string $account_type
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function merchantEnddayBalance($account_type)
+    {
+        $pathinfo = "/v3/merchant/fund/enddaybalance/{$account_type}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 二级商户预约提现（商户提现）
+     * @param array $data POST请求参数
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function fundWithdraw($data)
+    {
+        $pathinfo = "/v3/ecommerce/fund/withdraw";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 二级商户查询预约提现状态（根据商户预约提现单号查询）（商户提现）
+     * @param string $out_request_no
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryFundWithdrawByNo($out_request_no)
+    {
+        $pathinfo = "/v3/ecommerce/fund/withdraw/out-request-no/{$out_request_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 二级商户查询预约提现状态（根据微信支付预约提现单号查询）（商户提现）
+     * @param string $withdraw_id
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryFundWithdrawById($withdraw_id)
+    {
+        $pathinfo = "/v3/ecommerce/fund/withdraw/{$withdraw_id}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 收付通平台预约提现（商户提现）
+     * @param array $data
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function merchantFundWithdraw($data)
+    {
+        $pathinfo = "/v3/merchant/fund/withdraw";
+        return $this->doRequest('POST', $pathinfo, json_encode($data, JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 收付通平台查询预约提现状态（根据商户预约提现单号查询）（商户提现）
+     * @param string $out_request_no
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryMerchantFundWithdrawByNo($out_request_no)
+    {
+        $pathinfo = "/v3/merchant/fund/withdraw/out-request-no/{$out_request_no}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 收付通平台查询预约提现状态（根据微信支付预约提现单号查询）（商户提现）
+     * @param string $withdraw_id
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryMerchantFundWithdrawById($withdraw_id)
+    {
+        $pathinfo = "/v3/merchant/fund/withdraw/withdraw-id/{$withdraw_id}";
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 按日下载提现异常文件（商户提现）
+     * @param $bill_type
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function fundWithdrawBill($bill_type, $param = [])
+    {
+        $pathinfo = "/v3/merchant/fund/withdraw/bill-type/{$bill_type}?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+    /**
+     * 申请交易账单（下载账单）
+     * @param $bill_type
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function tradeBill($bill_type, $param = [])
+    {
+        $pathinfo = "/v3/bill/tradebill?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+
+    /**
+     * 申请资金账单（下载账单）
+     * @param $bill_type
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function fundFlowBill($bill_type, $param = [])
+    {
+        $pathinfo = "/v3/bill/fundflowbill?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+
+    /**
+     * 申请分账账单（下载账单）
+     * @param string $bill_type
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function profitsharingBill($bill_type, $param = [])
+    {
+        $pathinfo = "/v3/profitsharing/bills?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+
+    /**
+     * 申请二级商户资金账单（下载账单）
+     * @param string $bill_type
+     * @param array $param
+     * @return array
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function subFundFlowBill($bill_type, $param = [])
+    {
+        $pathinfo = "/v3/ecommerce/bill/fundflowbill?" . http_build_query($param);
+        return $this->doRequest('GET', $pathinfo, '', true);
+    }
+
+
+}
\ No newline at end of file