diff --git a/deliver-backend/deliver-backend-admin/src/main/java/com/oszero/deliver/admin/util/app/DingUtils.java b/deliver-backend/deliver-backend-admin/src/main/java/com/oszero/deliver/admin/util/app/DingUtils.java
index a84ba29fb47925c1578879723696e404f1afb9bb..470438dc56bfd9deb37816294359cf29719a2603 100644
--- a/deliver-backend/deliver-backend-admin/src/main/java/com/oszero/deliver/admin/util/app/DingUtils.java
+++ b/deliver-backend/deliver-backend-admin/src/main/java/com/oszero/deliver/admin/util/app/DingUtils.java
@@ -4,10 +4,14 @@ import cn.hutool.json.JSONUtil;
 import com.dingtalk.api.DefaultDingTalkClient;
 import com.dingtalk.api.DingTalkClient;
 import com.dingtalk.api.request.OapiGettokenRequest;
+import com.dingtalk.api.request.OapiMediaUploadRequest;
 import com.dingtalk.api.response.OapiGettokenResponse;
+import com.dingtalk.api.response.OapiMediaUploadResponse;
 import com.oszero.deliver.admin.exception.BusinessException;
 import com.oszero.deliver.admin.model.app.DingApp;
+import com.oszero.deliver.admin.model.dto.app.PlatformFileDto;
 import com.taobao.api.ApiException;
+import com.taobao.api.FileItem;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
@@ -47,4 +51,31 @@ public class DingUtils {
         DingAccessTokenBody dingAccessTokenBody = JSONUtil.toBean(response.getBody(), DingAccessTokenBody.class);
         return dingAccessTokenBody.getAccessToken();
     }
+
+    /**
+     *
+     * @param accessToken
+     * @param platformFileDto
+     * @return       media_id
+     */
+
+    public String  uploadDingFile (String accessToken, PlatformFileDto platformFileDto){
+        DingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.com/media/upload");
+        OapiMediaUploadRequest req = new OapiMediaUploadRequest();
+        req.setType(platformFileDto.getFileType());
+        byte[] file = platformFileDto.getFile();
+        FileItem item = new FileItem(platformFileDto.getFileName(),file);
+        req.setMedia(item);
+        OapiMediaUploadResponse rsp =null;
+        try {
+              rsp = client.execute(req, accessToken);
+        }catch (ApiException a){
+            throw new BusinessException("钉钉上传失败");
+        }
+
+       if(rsp.getErrcode()!=0){
+           throw new BusinessException("钉钉上传失败");
+       }
+       return rsp.getMediaId();
+    }
 }