diff --git a/pkg/util/ucloud/eip.go b/pkg/util/ucloud/eip.go
index 9db4880c2c..1910485d8e 100644
--- a/pkg/util/ucloud/eip.go
+++ b/pkg/util/ucloud/eip.go
@@ -228,6 +228,7 @@ func (self *SRegion) CreateEIP(name string, bwMbps int, chargeType string, bgpTy
 		payMode = "Bandwidth"
 	}
 	params.Set("PayMode", payMode)
+	params.Set("ChargeType", "Dynamic") // 按需付费
 
 	eips := make([]SEip, 0)
 	err := self.DoAction("AllocateEIP", params, &eips)