diff --git a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java
index 1b68865d..a0b2ddf4 100644
--- a/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java
+++ b/jeecg-module-spectrum-analysis/src/main/java/org/jeecg/modules/service/impl/SpectrumAnalysisServiceImpl.java
@@ -6406,8 +6406,10 @@ public class SpectrumAnalysisServiceImpl extends AbstractLogOrReport
                         if (!Files.exists(destinationDir)) {
                             Files.createDirectories(destinationDir);
                         }
-                        reportByThymeleaf.generateHtmlReportToFile(rrrMap,
-                                targetDir + "\\" + analyses_absolute_ReportPath + ".html");
+                        // 完整文件路径
+                        Path htmlFile =
+                                destinationDir.resolve(analyses_absolute_ReportPath + ".html");
+                        reportByThymeleaf.generateHtmlReportToFile(rrrMap, htmlFile.toString());
                         copyEchartsLib(targetDir);
 
                     } catch (IOException e) {