diff --git a/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java b/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java
index 391551de..836d72ec 100644
--- a/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java
@@ -148,7 +148,7 @@ public class PrinterServiceImpl implements PrinterService {
             return Collections.emptyList();
         }
         List<String> printers = req.getPrinters();
-        String printersStr = StringUtils.join(printers, ",");
+        String printersStr = StringUtils.join(printers, "|");
         if (!Strings.CS.equals(printersStr, printer.getPrinters())) {
             printer.setPrinters(printersStr);
             printerMapper.update(printer);