集群/节点阈值切换监控项时同时切换参数描述

web/views/@default/clusters/cluster/settings/thresholds/updatePopup.js

@@ -26,6 +26,7 @@ Tea.context(function () {
 				that.itemDescription = v.description
 				that.itemParams = v.params
 				that.threshold.param = v.params[0].code
+				that.paramDescription = v.params[0].description
 			}
 		})
 	}