修改小程序聊天窗口删除bug2

csm-service/cms-service-user/src/main/java/com/mmc/iuav/user/controller/MessageController.java

@@ -102,7 +102,7 @@ public class MessageController  extends BaseController{
     @ApiOperation(value = "用户列表——用户移除")
     @ApiResponses({@ApiResponse(code = 200, message = "OK", response = ResultBody.class)})
     @GetMapping("/removeUser")
-    public ResultBody removeUser(HttpServletRequest request, @ApiParam(value = "接收人ID") @RequestParam Integer receiverUserId, @RequestParam Integer backUserId) {
+    public ResultBody removeUser(HttpServletRequest request, @ApiParam(value = "接收人ID") @RequestParam Integer receiverUserId, @RequestParam(required = false) Integer backUserId) {
         return messageService.removeUser(this.getUserLoginInfoFromRedis(request).getUserAccountId(), receiverUserId, backUserId);
     }
     @ApiOperation(value = "用户撤回消息（三分钟之内可以撤回）")