diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java
index d16480d..8733bc0 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentAnnealProcessServiceImpl.java
@@ -119,7 +119,7 @@ public class ExperimentAnnealProcessServiceImpl extends ServiceImpl<ExperimentAn
     @Override
     public void copy(String oldExperimentId,String newExperimentId){
         ExperimentAnnealProcess experiment = new ExperimentAnnealProcess();
-        BeanUtil.copyProperties(getById(oldExperimentId), experiment);
+        BeanUtil.copyProperties(getByExperimentId(oldExperimentId), experiment);
         experiment.setId(null);
         experiment.setExperimentId(newExperimentId);
         experiment.setAnnealStartTime(null);
@@ -127,7 +127,7 @@ public class ExperimentAnnealProcessServiceImpl extends ServiceImpl<ExperimentAn
         experiment.setCreateTime(new Date());
         List<ExperimentSampleInfo> sampleInfoList = experimentSampleInfoService.getByExperimentId(newExperimentId);
         if (CollUtil.isNotEmpty(sampleInfoList)) {
-            experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining()));
+            experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining(",")));
         } else {
             experiment.setSampleInfo(null);
         }
diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java
index aa79173..de3fd9e 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentRadiationProcessServiceImpl.java
@@ -109,7 +109,7 @@ public class ExperimentRadiationProcessServiceImpl extends ServiceImpl<Experimen
     @Override
     public void copy(String oldExperimentId,String newExperimentId) {
         ExperimentRadiationProcess experiment = new ExperimentRadiationProcess();
-        BeanUtil.copyProperties(getById(oldExperimentId), experiment);
+        BeanUtil.copyProperties(getByExperimentId(oldExperimentId), experiment);
         experiment.setId(null);
         experiment.setExperimentId(newExperimentId);
         experiment.setRadiationStartTime(null);
@@ -132,7 +132,7 @@ public class ExperimentRadiationProcessServiceImpl extends ServiceImpl<Experimen
         }
         List<ExperimentSampleInfo> sampleInfoList = experimentSampleInfoService.getByExperimentId(newExperimentId);
         if (CollUtil.isNotEmpty(sampleInfoList)) {
-            experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining()));
+            experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining(",")));
         } else {
             experiment.setSampleInfo(null);
         }
diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java
index c377262..1846583 100644
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentTestProcessServiceImpl.java
@@ -80,7 +80,7 @@ public class ExperimentTestProcessServiceImpl extends ServiceImpl<ExperimentTest
     @Override
     public void copy(String oldExperimentId, String newExperimentId) {
         ExperimentTestProcess experiment = new ExperimentTestProcess();
-        BeanUtil.copyProperties(getById(oldExperimentId), experiment);
+        BeanUtil.copyProperties(getByExperimentId(oldExperimentId), experiment);
         experiment.setExperimentId(newExperimentId);
         experiment.setId(null);
         experiment.setTestStartTime(null);
@@ -88,7 +88,7 @@ public class ExperimentTestProcessServiceImpl extends ServiceImpl<ExperimentTest
         experiment.setCreateTime(new Date());
         List<ExperimentSampleInfo> sampleInfoList = experimentSampleInfoService.getByExperimentId(newExperimentId);
         if (CollUtil.isNotEmpty(sampleInfoList)) {
-            experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining()));
+            experiment.setSampleInfo(sampleInfoList.stream().map(v -> v.getId()).collect(Collectors.joining(",")));
         } else {
             experiment.setSampleInfo(null);
         }