diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TestController.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TestController.java
index 61ab78a..3b3bfd0 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TestController.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/TestController.java
@@ -185,7 +185,7 @@ public class TestController {
         Long l = CompressEncodeingUtil.unCompressNumber(watermark);
         String s = l.toString();
         int len = s.length();
-        return s.substring(0, len - 6) + "," + s.substring(len - 6);
+        return s.substring(0, len - 8) + "," + s.substring(len - 8);
     }
 
     @RequestMapping(value = "/addSieveJob", method = RequestMethod.GET)