- 删除网络打印机时，修复printerVendorID为0的错误

business/jxstore/cms/store.go

@@ -385,6 +385,7 @@ func UpdateStore(ctx *jxcontext.Context, storeID int, payload map[string]interfa
 		} else {
 			store.PrinterVendorID = int(utils.Interface2Int64WithDefault(valid["printerVendorID"], 0))
 		}
+		if store.PrinterVendorID > 0 {
 			if valid["printerSN"] == nil {
 				valid["printerSN"] = store.PrinterSN
 			}
@@ -406,6 +407,7 @@ func UpdateStore(ctx *jxcontext.Context, storeID int, payload map[string]interfa
 				valid["printerKey"] = newID2
 			}
 		}
+	}
 
 	for _, v := range []string{
 		"lng",