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 3da91f3..316bbfe 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
@@ -66,7 +66,7 @@ public class ExperimentDocServiceImpl extends ServiceImpl<ExperimentDocMapper, E
                 throw new RuntimeException("实验数据不存在！");
             }
             String tmpDirPath = FileUtil.getTmpDirPath();
-            String outputFile = tmpDirPath + fileName + "-" + experimentId + "-" + version + ".docx";
+            String outputFile = tmpDirPath + File.separator + fileName + "-" + experimentId + "-" + version + ".docx";
             if (FileUtil.exist(outputFile)) {
                 FileUtil.del(outputFile);
             }