修改错误引用。

ruoyi-sim/src/main/java/com/ruoyi/sim/service/impl/TeacherService.java

@@ -25,7 +25,7 @@ import java.util.stream.Collectors;
 @Service
 public class TeacherService {
 
-    private static final Logger l = LoggerFactory.getLogger(StudentService.class);
+    private static final Logger l = LoggerFactory.getLogger(TeacherService.class);
 
     @Autowired
     private SysUserMapper userMapper;