fixC2C私聊消息

mec-im/src/main/java/com/ym/controller/PrivateController.java

@@ -93,14 +93,17 @@ public class PrivateController {
                 ImageUtil.imageToBase64(imageReq);
 
                 // 图片消息
-                build.tencentMessage(TencentRequest.getTIMImageElem(imageReq));
+                build.objectName(ETencentMessage.TIMImageElem.name())
+                    .tencentMessage(TencentRequest.getTIMImageElem(imageReq));
 
             } else if ("RC:FileMsg".equals(objectName)) {
                 // 文件消息
-                build.tencentMessage(TencentRequest.getTIMFileElem(imMessageDto.getFileUrl(), imMessageDto.getFileSize().intValue(), imMessageDto.getFileName()));
+                build.objectName(ETencentMessage.TIMFileElem.name())
+                    .tencentMessage(TencentRequest.getTIMFileElem(imMessageDto.getFileUrl(), imMessageDto.getFileSize().intValue(), imMessageDto.getFileName()));
             } else {
                 // 文本消息
-                build.tencentMessage(TencentRequest.MessageBody.builder()
+                build.objectName(ETencentMessage.TIMTextElem.name())
+                    .tencentMessage(TencentRequest.MessageBody.builder()
                     .msgType(ETencentMessage.TIMTextElem.name())
                     .msgContent(TencentRequest.TextMessageBody.builder().text(imMessageDto.getMessageContent()).build())
                     .build());