diff --git a/business/jxstore/cms/store.go b/business/jxstore/cms/store.go
index c83a9657c..264c2decb 100644
--- a/business/jxstore/cms/store.go
+++ b/business/jxstore/cms/store.go
@@ -384,6 +384,7 @@ func UpdateStore(ctx *jxcontext.Context, storeID int, payload map[string]interfa
 			store.PrinterSN = ""
 			store.PrinterKey = ""
 			store.PrinterVendorID = printerVendorID
+			valid["printerSN"], valid["printerKey"] = store.PrinterSN, store.PrinterKey
 		}
 	}
 	if valid["printerSN"] != nil || valid["printerKey"] != nil {
@@ -400,6 +401,7 @@ func UpdateStore(ctx *jxcontext.Context, storeID int, payload map[string]interfa
 		if err = handler.RegisterPrinter(ctx, store, valid["printerSN"].(string), valid["printerKey"].(string)); err != nil {
 			return 0, err
 		}
+		valid["printerSN"], valid["printerKey"] = store.PrinterSN, store.PrinterKey
 	}
 
 	for _, v := range []string{