fix: 系统设置无法保存

kh-modules/src/main/java/com/jero/modules/controller/KhSystemSettingController.java

@@ -58,7 +58,7 @@ public class KhSystemSettingController extends JeroController<KhSystemSetting, I
 	@ApiOperation(value="系统设置-保存设置", notes="系统设置-保存设置")
 	@PostMapping(value = "/save")
 	public Results<T> add(@Validated @RequestBody KhSystemSetting khSystemSetting) {
-		khSystemSettingService.save(khSystemSetting);
+		khSystemSettingService.saveOrUpdate(khSystemSetting);
 		return Results.OK("操作成功!");
 	}