diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/complaint/NegotiationHistoryResult.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/complaint/NegotiationHistoryResult.java
index 4e5ab4197..b6f265fd8 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/complaint/NegotiationHistoryResult.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/complaint/NegotiationHistoryResult.java
@@ -67,7 +67,7 @@ public class NegotiationHistoryResult implements Serializable {
      * </pre>
      */
     @SerializedName("complaint_media_list")
-    private List<ComplaintDetailResult.ComplaintMedia> complaintMediaList;
+    private List<ComplaintMedia> complaintMediaList;
 
     @Data
     public static class ComplaintMedia implements Serializable {
@@ -97,7 +97,7 @@ public class NegotiationHistoryResult implements Serializable {
        * </pre>
        */
       @SerializedName("media_url")
-      private String mediaUrl;
+      private List<String> mediaUrl;
 
     }
 
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/ComplaintService.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/ComplaintService.java
index bd6a2e346..1ed2b09df 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/ComplaintService.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/ComplaintService.java
@@ -1,9 +1,13 @@
 package com.github.binarywang.wxpay.service;
 
 import com.github.binarywang.wxpay.bean.complaint.*;
+import com.github.binarywang.wxpay.bean.media.ImageUploadResult;
 import com.github.binarywang.wxpay.exception.WxPayException;
 
 import javax.crypto.BadPaddingException;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
 
 /**
  * <pre>
@@ -129,4 +133,31 @@ public interface ComplaintService {
    */
   void complete(CompleteRequest request) throws WxPayException;
 
+  /**
+   * <pre>
+   * 商户上传反馈图片API
+   * 文档详见: https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter10_2_10.shtml
+   * 接口链接：https://api.mch.weixin.qq.com/v3/merchant-service/images/upload
+   * </pre>
+   *
+   * @param imageFile 需要上传的图片文件
+   * @return ImageUploadResult 微信返回的媒体文件标识Id。示例值：BB04A5DEEFEA18D4F2554C1EDD3B610B.bmp
+   * @throws WxPayException the wx pay exception
+   */
+  ImageUploadResult uploadResponseImage(File imageFile) throws WxPayException, IOException;
+
+  /**
+   * <pre>
+   * 商户上传反馈图片API
+   * 文档详见: https://pay.weixin.qq.com/wiki/doc/apiv3/apis/chapter10_2_10.shtml
+   * 接口链接：https://api.mch.weixin.qq.com/v3/merchant-service/images/upload
+   * </pre>
+   *
+   * @param inputStream 需要上传的图片文件流
+   * @param fileName 需要上传的图片文件名
+   * @return ImageUploadResult 微信返回的媒体文件标识Id。示例值：BB04A5DEEFEA18D4F2554C1EDD3B610B.bmp
+   * @throws WxPayException the wx pay exception
+   */
+  ImageUploadResult uploadResponseImage(InputStream inputStream, String fileName) throws WxPayException, IOException;
+
 }
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImpl.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImpl.java
index d269a8f90..51d9609c4 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImpl.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImpl.java
@@ -1,15 +1,20 @@
 package com.github.binarywang.wxpay.service.impl;
 
 import com.github.binarywang.wxpay.bean.complaint.*;
+import com.github.binarywang.wxpay.bean.media.ImageUploadResult;
 import com.github.binarywang.wxpay.exception.WxPayException;
 import com.github.binarywang.wxpay.service.ComplaintService;
 import com.github.binarywang.wxpay.service.WxPayService;
+import com.github.binarywang.wxpay.v3.WechatPayUploadHttpPost;
 import com.github.binarywang.wxpay.v3.util.RsaCryptoUtil;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import lombok.RequiredArgsConstructor;
+import org.apache.commons.codec.digest.DigestUtils;
 
 import javax.crypto.BadPaddingException;
+import java.io.*;
+import java.net.URI;
 import java.util.List;
 
 /**
@@ -34,7 +39,7 @@ public class ComplaintServiceImpl implements ComplaintService {
     List<ComplaintDetailResult> data = complaintResult.getData();
     for (ComplaintDetailResult complaintDetailResult : data) {
       // 对手机号进行解密操作
-      if(complaintDetailResult.getPayerPhone() != null) {
+      if (complaintDetailResult.getPayerPhone() != null) {
         String payerPhone = RsaCryptoUtil.decryptOAEP(complaintDetailResult.getPayerPhone(), this.payService.getConfig().getPrivateKey());
         complaintDetailResult.setPayerPhone(payerPhone);
       }
@@ -49,7 +54,7 @@ public class ComplaintServiceImpl implements ComplaintService {
     String response = this.payService.getV3(url);
     ComplaintDetailResult result = GSON.fromJson(response, ComplaintDetailResult.class);
     // 对手机号进行解密操作
-    if(result.getPayerPhone() != null) {
+    if (result.getPayerPhone() != null) {
       String payerPhone = RsaCryptoUtil.decryptOAEP(result.getPayerPhone(), this.payService.getConfig().getPrivateKey());
       result.setPayerPhone(payerPhone);
     }
@@ -107,4 +112,41 @@ public class ComplaintServiceImpl implements ComplaintService {
     this.payService.postV3(url, GSON.toJson(request));
   }
 
+  @Override
+  public ImageUploadResult uploadResponseImage(File imageFile) throws WxPayException, IOException {
+    String url = String.format("%s/v3/merchant-service/images/upload", this.payService.getPayBaseUrl());
+
+    try (FileInputStream s1 = new FileInputStream(imageFile)) {
+      String sha256 = DigestUtils.sha256Hex(s1);
+      try (InputStream s2 = new FileInputStream(imageFile)) {
+        WechatPayUploadHttpPost request = new WechatPayUploadHttpPost.Builder(URI.create(url))
+          .withImage(imageFile.getName(), sha256, s2)
+          .build();
+        String result = this.payService.postV3(url, request);
+        return ImageUploadResult.fromJson(result);
+      }
+    }
+  }
+
+  @Override
+  public ImageUploadResult uploadResponseImage(InputStream inputStream, String fileName) throws WxPayException, IOException {
+    String url = String.format("%s/v3/merchant-service/images/upload", this.payService.getPayBaseUrl());
+    try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
+      //文件大小不能超过2M
+      byte[] buffer = new byte[2048];
+      int len;
+      while ((len = inputStream.read(buffer)) > -1) {
+        bos.write(buffer, 0, len);
+      }
+      bos.flush();
+      byte[] data = bos.toByteArray();
+      String sha256 = DigestUtils.sha256Hex(data);
+      WechatPayUploadHttpPost request = new WechatPayUploadHttpPost.Builder(URI.create(url))
+        .withImage(fileName, sha256, new ByteArrayInputStream(data))
+        .build();
+      String result = this.payService.postV3(url, request);
+      return ImageUploadResult.fromJson(result);
+    }
+  }
+
 }
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImplTest.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImplTest.java
index 6014924fd..f4607116e 100644
--- a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImplTest.java
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/service/impl/ComplaintServiceImplTest.java
@@ -1,8 +1,7 @@
 package com.github.binarywang.wxpay.service.impl;
 
 import com.github.binarywang.wxpay.bean.complaint.*;
-import com.github.binarywang.wxpay.bean.profitsharing.*;
-import com.github.binarywang.wxpay.constant.WxPayConstants;
+import com.github.binarywang.wxpay.bean.media.ImageUploadResult;
 import com.github.binarywang.wxpay.exception.WxPayException;
 import com.github.binarywang.wxpay.service.WxPayService;
 import com.github.binarywang.wxpay.testbase.ApiTestModule;
@@ -13,6 +12,8 @@ import org.testng.annotations.Guice;
 import org.testng.annotations.Test;
 
 import javax.crypto.BadPaddingException;
+import java.io.File;
+import java.io.IOException;
 
 /**
  * <pre>
@@ -152,4 +153,21 @@ public class ComplaintServiceImplTest {
     this.payService.getComplaintsService().complete(request);
   }
 
+  /**
+   *  商户上传反馈图片API
+   * @throws WxPayException
+   * @throws IOException
+   */
+  @Test
+  public  void testUploadResponseImage() throws WxPayException, IOException {
+    String filePath="你的图片文件的路径地址";
+//    String filePath="WxJava/images/banners/wiki.jpg";
+
+    File file = new File(filePath);
+
+    ImageUploadResult imageUploadResult = this.payService.getComplaintsService().uploadResponseImage(file);
+    imageUploadResult.getMediaId();
+
+  }
+
 }