diff --git a/jeecg-module-auto-process/src/main/java/org/jeecg/modules/service/impl/SpectrumBaseBlockServiceImpl.java b/jeecg-module-auto-process/src/main/java/org/jeecg/modules/service/impl/SpectrumBaseBlockServiceImpl.java
index feb78d22..9c33e2f9 100644
--- a/jeecg-module-auto-process/src/main/java/org/jeecg/modules/service/impl/SpectrumBaseBlockServiceImpl.java
+++ b/jeecg-module-auto-process/src/main/java/org/jeecg/modules/service/impl/SpectrumBaseBlockServiceImpl.java
@@ -85,7 +85,7 @@ public class SpectrumBaseBlockServiceImpl implements ISpectrumBaseBlockService {
         if(StringUtils.isNotBlank(struct.acquisition_start_date) && StringUtils.isNotBlank(struct.acquisition_start_time)){
             gardsSampleData.setAcquisitionStart(DateUtils.parseDate(struct.acquisition_start_date+StringConstant.SPACE+struct.acquisition_start_time));
         }
-        if(Objects.nonNull(gardsSampleData.getAcquisitionStart()) && struct.acquisition_real_time > 0){
+        if(Objects.nonNull(gardsSampleData.getAcquisitionStart()) && struct.acquisition_real_time >= 0){
             Date acquisitionStop = new Date((long) (gardsSampleData.getAcquisitionStart().getTime()+(struct.acquisition_real_time*1000)));
             gardsSampleData.setAcquisitionStop(acquisitionStop);
         }