# 新 ID 生成器支持不设置 data.center.id

commons-spring/src/main/java/cn/quantgroup/tech/util/id/DefaultUidGenerator.java

@@ -108,7 +108,7 @@ public class DefaultUidGenerator implements UidGenerator, InitializingBean {
         // initialize worker id
         workerId = workerIdAssigner.assignWorkerId(dataCenterId, bitsAllocator);
         Assert.isTrue(workerId < bitsAllocator.getMaxWorkerId(), "workerId is too big");
-        Assert.isTrue(dataCenterId < bitsAllocator.getMaxDataCenterId(), "dataCenterId is too big");
+        Assert.isTrue(bitsAllocator.getMaxDataCenterId() != 0 && dataCenterId < bitsAllocator.getMaxDataCenterId(), "dataCenterId is too big");
         LOGGER.info("Initialized bits dataCenterBits:{}, workerBits:{}, seqBits:{}", dataCenterIdBits, workerBits, seqBits);
         LOGGER.info("Initialized nodes, workerId:{}, dataCenterId:{}", workerId, dataCenterId);
     }