aa

business/jxstore/cms/print.go

@@ -128,19 +128,19 @@ func UpdatePrinter(appID int, printNo string, name, sim, sound *string, volume *
 	if printers, _ := dao.GetPrinters(db, appID, printNo); len(printers) == 0 {
 		return fmt.Errorf("该应用下未找到该打印机！print_no : %v", printNo)
 	} else {
-		if printers[0].Name != *name {
+		if name != nil && printers[0].Name != *name {
 			printers[0].Name = *name
 			fields = append(fields, "name")
 		}
-		if printers[0].SIM != *sim {
+		if sim != nil && printers[0].SIM != *sim {
 			printers[0].SIM = *sim
 			fields = append(fields, "sim")
 		}
-		if printers[0].Sound != *sound {
+		if sound != nil && printers[0].Sound != *sound {
 			printers[0].Sound = *sound
 			fields = append(fields, "sound")
 		}
-		if printers[0].Volume != *volume {
+		if volume != nil && printers[0].Volume != *volume {
 			printers[0].Volume = *volume
 			fields = append(fields, "volume")
 		}