diff --git a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentDocServiceImpl.java b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentDocServiceImpl.java
index 44d4277..44fdad2 100755
--- a/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentDocServiceImpl.java
+++ b/physical-module-system/physical-system-biz/src/main/java/org/jeecg/modules/database/service/impl/ExperimentDocServiceImpl.java
@@ -80,7 +80,7 @@ public class ExperimentDocServiceImpl extends ServiceImpl<ExperimentDocMapper, E
             experimentDoc.setExperimentId(experimentalId);
             experimentDoc.setDocType(type);
             experimentDoc.setFilePath(filePath);
-            this.save(experimentDoc);
+            this.saveOrUpdate(experimentDoc);
             return experimentDoc;
         }
         return null;