diff --git a/venus-shared/types/tipset.go b/venus-shared/types/tipset.go
index 460ac7c3b7..ec2ac76237 100644
--- a/venus-shared/types/tipset.go
+++ b/venus-shared/types/tipset.go
@@ -106,12 +106,7 @@ func (ts *TipSet) Defined() bool {
 }
 
 func (ts *TipSet) Contains(oc cid.Cid) bool {
-	for _, c := range ts.cids {
-		if c == oc {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(ts.cids, oc)
 }
 
 func (ts *TipSet) Equals(ots *TipSet) bool {
diff --git a/venus-shared/types/tipset_key.go b/venus-shared/types/tipset_key.go
index 9168999306..5c65492e79 100644
--- a/venus-shared/types/tipset_key.go
+++ b/venus-shared/types/tipset_key.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"slices"
 	"strings"
 
 	"github.com/filecoin-project/go-state-types/abi"
@@ -128,12 +129,7 @@ func (tsk TipSetKey) ContainsAll(other TipSetKey) bool {
 // Has checks whether the set contains `id`.
 func (tsk TipSetKey) Has(id cid.Cid) bool {
 	// Find index of the first CID not less than id.
-	for _, cid := range tsk.Cids() {
-		if cid == id {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(tsk.Cids(), id)
 }
 
 // Equals checks whether the set contains exactly the same CIDs as another.