diff --git a/server/light_backtask/mt/Contract.go b/server/light_backtask/mt/Contract.go
index 67d33bde..a06154b4 100644
--- a/server/light_backtask/mt/Contract.go
+++ b/server/light_backtask/mt/Contract.go
@@ -15,6 +15,7 @@ type Contract struct {
 }
 
 type ContractTable struct {
+	f5.CustomMetaTable
 	netIdNameHash    *q5.ConcurrentMap[string, *Contract]
 	netIdAddressHash *q5.ConcurrentMap[string, *Contract]
 }
@@ -31,10 +32,6 @@ func (this *Contract) GetAddress() string {
 	return this.address
 }
 
-func (this *ContractTable) IsNoLoad() bool {
-	return false
-}
-
 func (this *ContractTable) Load() {
 	this.netIdNameHash = new(q5.ConcurrentMap[string, *Contract])
 	this.netIdAddressHash = new(q5.ConcurrentMap[string, *Contract])
@@ -81,18 +78,6 @@ func (this *ContractTable) Load() {
 	}
 }
 
-func (this *ContractTable) PreInit1() {
-
-}
-
-func (this *ContractTable) ElementsInit(int) {
-
-}
-
-func (this *ContractTable) PostInit1() {
-
-}
-
 func (this *ContractTable) GetByNetIdName(netId int32, name string) *Contract {
 	key := fmt.Sprintf("%d_%s", netId, name)
 	if v, ok := this.netIdNameHash.Load(key); ok {
diff --git a/third_party/f5 b/third_party/f5
index e5653a91..c3814ee3 160000
--- a/third_party/f5
+++ b/third_party/f5
@@ -1 +1 @@
-Subproject commit e5653a91a18f5be3c2f63baf257bc57d5d3a74b0
+Subproject commit c3814ee3afc6ef21c0e7683192044571f561009f