diff --git a/apollo/.env.prod b/apollo/.env.prod
index ea862a5..13f8de8 100644
--- a/apollo/.env.prod
+++ b/apollo/.env.prod
@@ -39,6 +39,7 @@ BLAST_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-blast/v1.0.
 ASTAR_ZKEVM_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-astar-zkevm/v1.0.0
 MOONBEAM_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-moonbeam/v1.0.0
 ZIRCUIT_LNV3_ENDPOINT=https://thegraph-g1.darwinia.network/helix/subgraphs/name/lnv3/zircuit
+BASE_LNV3_ENDPOINT=https://api.studio.thegraph.com/query/59403/lnv3-base/version/latest
 LNV3_ENVIO_ENDPOINT=https://indexer.bigdevenergy.link/e5a45aa/v1/graphql
 
 XTOKEN_DARWINIA_CRAB_BACKING=https://thegraph.darwinia.network/helix/subgraphs/name/xtokentransfer/darwinia-crab-backing
diff --git a/apollo/src/lnv2/transfer.service.ts b/apollo/src/lnv2/transfer.service.ts
index ed65e0e..69354dd 100644
--- a/apollo/src/lnv2/transfer.service.ts
+++ b/apollo/src/lnv2/transfer.service.ts
@@ -64,11 +64,6 @@ export class TransferService extends BaseTransferServiceT3 {
       oppositeEndpoint: this.lnArbitrumOppositeEndpoint,
       chainConfig: HelixChain.arbitrum,
     },
-    {
-      defaultEndpoint: this.lnMantleDefaultEndpoint,
-      oppositeEndpoint: null,
-      chainConfig: HelixChain.mantle,
-    },
     {
       defaultEndpoint: this.lnPolygonDefaultEndpoint,
       oppositeEndpoint: null,
@@ -89,11 +84,6 @@ export class TransferService extends BaseTransferServiceT3 {
       oppositeEndpoint: this.lnDarwiniaOppositeEndpoint,
       chainConfig: HelixChain.darwiniaDvm,
     },
-    {
-      defaultEndpoint: this.lnCrabDefaultEndpoint,
-      oppositeEndpoint: null,
-      chainConfig: HelixChain.crabDvm,
-    },
     {
       defaultEndpoint: this.lnBscDefaultEndpoint,
       oppositeEndpoint: null,
diff --git a/apollo/src/lnv3/transfer.service.ts b/apollo/src/lnv3/transfer.service.ts
index 2b1bda3..e330a33 100644
--- a/apollo/src/lnv3/transfer.service.ts
+++ b/apollo/src/lnv3/transfer.service.ts
@@ -189,6 +189,10 @@ export class TransferService extends BaseTransferServiceT2 {
     },
     {
       level0Indexers: [
+        {
+          indexerType: Level0IndexerType.thegraph,
+          url: this.baseEndpoint,
+        },
         {
           indexerType: Level0IndexerType.superindex,
           url: this.superindexEndpoint,