diff --git a/dxhy-core/src/main/java/com/dxhy/core/thread/QyswxxExportThread.java b/dxhy-core/src/main/java/com/dxhy/core/thread/QyswxxExportThread.java
index 70b9b413..21dab14c 100644
--- a/dxhy-core/src/main/java/com/dxhy/core/thread/QyswxxExportThread.java
+++ b/dxhy-core/src/main/java/com/dxhy/core/thread/QyswxxExportThread.java
@@ -46,7 +46,7 @@ public class QyswxxExportThread extends BaseThread {
     /**
      * 文件名后缀
      */
-    private final String fileNameSurfix = ".xlsx";
+    private final String fileNameSurfix = ".xls";
     /**
      * 文件名中间分隔符
      */
diff --git a/dxhy-core/src/main/java/com/dxhy/core/thread/RzFpxxExportThread.java b/dxhy-core/src/main/java/com/dxhy/core/thread/RzFpxxExportThread.java
index 6c674297..1ffe40ec 100644
--- a/dxhy-core/src/main/java/com/dxhy/core/thread/RzFpxxExportThread.java
+++ b/dxhy-core/src/main/java/com/dxhy/core/thread/RzFpxxExportThread.java
@@ -46,7 +46,7 @@ public class RzFpxxExportThread extends BaseThread {
     /**
      * 文件名后缀
      */
-    private final String fileNameSurfix = ".xlsx";
+    private final String fileNameSurfix = ".xls";
     /**
      * 文件名中间分隔符
      */