fixed github issues/1890

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/service/impl/ServiceImpl.java

@@ -209,6 +209,9 @@ public class ServiceImpl<M extends BaseMapper<T>, T> implements IService<T> {
 
     @Override
     public boolean removeByIds(Collection<? extends Serializable> idList) {
+        if (CollectionUtils.isEmpty(idList)) {
+            return false;
+        }
         return SqlHelper.retBool(baseMapper.deleteBatchIds(idList));
     }