MybatisPlusException: error: entityList must not be empty

com.baomidou.mybatisplus.core.exceptions.MybatisPlusException: error: entityList must not be empty
        at com.baomidou.mybatisplus.core.toolkit.ExceptionUtils.mpe(ExceptionUtils.java:51)
        at com.baomidou.mybatisplus.core.toolkit.Assert.isTrue(Assert.java:41)
        at com.baomidou.mybatisplus.core.toolkit.Assert.notEmpty(Assert.java:97)
        at com.baomidou.mybatisplus.extension.service.impl.ServiceImpl.updateBatchById(ServiceImpl.java:221)
        at com.baomidou.mybatisplus.extension.service.IService.updateBatchById(IService.java:173)
        at com.baomidou.mybatisplus.extension.service.IService$$FastClassBySpringCGLIB$$f8525d18.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:295)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)

原因：MybatisPlus 批量操作不能插入空集合

if (!list.isEmpty()) {
    
    
   this.saveBatch(list);
}