diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/websocket/websocket/service/BigScreenWebSocketServer.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/websocket/websocket/service/BigScreenWebSocketServer.java
index caf8dd18..b9acd761 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/websocket/websocket/service/BigScreenWebSocketServer.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/websocket/websocket/service/BigScreenWebSocketServer.java
@@ -15,7 +15,6 @@ import org.dromara.common.core.utils.SpringUtils;
 import org.dromara.materials.domain.vo.materials.MatMaterialsUseDetailVo;
 import org.dromara.materials.service.IMatMaterialsService;
 import org.dromara.project.service.impl.BusAttendanceServiceImpl;
-import org.dromara.system.service.impl.SysUserServiceImpl;
 import org.springframework.stereotype.Component;
 
 import java.io.IOException;
@@ -96,10 +95,9 @@ public class BigScreenWebSocketServer {
                     case 1:
                         break;
                     case 2:
-                        Long timeType;
-                        timeType = Long.parseLong(params.get("timeType").getFirst());
+                        Long timeType = Long.parseLong(params.get("timeType").getFirst());
                         //判断参数
-                        if (timeType == null || (timeType != 1L && timeType != 2L && timeType != 3L)){
+                        if (timeType != 1L && timeType != 2L && timeType != 3L){
                             throw new RuntimeException("时间类型参数错误");
                         }
                         //先获取左边坐标得到map