diff --git a/WePayV3/Complaints.php b/WePayV3/Complaints.php
new file mode 100644
index 0000000..f4e9659
--- /dev/null
+++ b/WePayV3/Complaints.php
@@ -0,0 +1,144 @@
+<?php
+
+namespace WePayV3;
+
+use WePayV3\Contracts\BasicWePay;
+/**
+ * 普通商户消费者投诉2.0
+ * Class Complaints
+ * @package WePayV3
+ */
+class Complaints extends BasicWePay
+{
+
+    /**
+     * 查询投诉列表
+     * @param int $offset 分页开始位置
+     * @param int $limit 分页大小
+     * @param String $begin_date 开始日期
+     * @param String $end_date 结束日期
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function complaintList(int $offset = 0, int $limit = 10, String $begin_date, String $end_date)
+    {
+        $mchId = $this->config['mch_id'];
+        $pathinfo = "/v3/merchant-service/complaints-v2?limit={$limit}&offset={$offset}&begin_date={$begin_date}&end_date={$end_date}&complainted_mchid={$mchId}";
+        return  $this->doRequest('GET', $pathinfo,'', true);
+    }
+
+    /**
+     * 查询投诉详情
+     * @param String $complaint_id  被投诉单号
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function  complaintDetails(String $complaint_id)
+    {
+        $pathinfo = "/v3/merchant-service/complaints-v2/{$complaint_id}";
+        return $this->doRequest('GET', $pathinfo,'', true);
+    }
+
+    /**
+     * 查询投诉协商历史
+     * @param String $complaint_id  被投诉单号
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function negotiationHistory(String $complaint_id)
+    {
+        $pathinfo = "/v3/merchant-service/complaints-v2/{$complaint_id}/negotiation-historys";
+        return $this->doRequest('GET', $pathinfo,'', true);
+    }
+
+    /**
+     * 创建投诉通知回调地址
+     * @param String $url 回调通知地址
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function CreateComplaintsNotify(String $url)
+    {
+        return $this->doRequest('POST', '/v3/merchant-service/complaint-notifications', json_encode(['url' => $url],JSON_UNESCAPED_UNICODE), true);
+
+    }
+
+    /**
+     * 查询投诉通知回调地址
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function queryComplaintsNotify()
+    {
+        return $this->doRequest('GET', '/v3/merchant-service/complaint-notifications', '', true);
+
+    }
+
+    /**
+     * 更新投诉通知回调地址
+     * @param String $url 回调通知地址
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function updateComplaintsNotify(String $url){
+        return $this->doRequest('PUT', '/v3/merchant-service/complaint-notifications', json_encode(['url' => $url],JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 删除投诉通知回调地址
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function deleteComplaintsNotify(){
+        return $this->doRequest('DELETE', '/v3/merchant-service/complaint-notifications', '', true);
+    }
+
+    /**
+     * 回复投诉
+     * @param String $complaint_id 被投诉单号
+     * @param String $content 回复内容
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function replyInfo(String $complaint_id, String $content)
+    {
+        $content['complainted_mchid'] = $this->config['mch_id'];
+        $pathinfo = "/v3/merchant-service/complaints-v2/{$complaint_id}/response";
+        return $this->doRequest('POST', $pathinfo, json_encode($content,JSON_UNESCAPED_UNICODE), true);
+    }
+
+    /**
+     * 反馈处理完成
+     * @param string $complaint_id 被投诉单号
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function completeComplaints(string $complaint_id)
+    {
+        $mchId = $this->config['mch_id'];
+        $pathinfo = "/v3/merchant-service/complaints-v2/{$complaint_id}/complete";
+        return $this->doRequest('POST', $pathinfo, json_encode(['complainted_mchid' => $mchId],JSON_UNESCAPED_UNICODE),true);
+    }
+
+    /**
+     * 图片请求接口
+     * @param $pathinfo
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function downLoadImg(string $pathinfo)
+    {
+        return $this->doRequest('GET', $pathinfo, '',true,false);
+    }
+    /**
+     * 图片上传接口
+     * @param $imginfo
+     * @return array|string
+     * @throws \WeChat\Exceptions\InvalidResponseException
+     */
+    public function uploadImg(array $imginfo)
+    {
+        return $this->doRequest('POST', '/v3/merchant-service/images/upload', json_encode($imginfo,JSON_UNESCAPED_UNICODE),true);
+    }
+
+}
\ No newline at end of file