diff --git a/src/abis/Transfer.ts b/src/abis/Transfer.ts
index 0c35393..fe3c2f2 100644
--- a/src/abis/Transfer.ts
+++ b/src/abis/Transfer.ts
@@ -48,4 +48,98 @@ export const NFT_TRANSFER_EVENT_ABI = {
   ],
   "name": "Transfer",
   "type": "event"
+}
+
+export const NFT_STAKE_EVENT_ABI = {
+  "anonymous": false,
+  "inputs": [
+    {
+      "indexed": true,
+      "internalType": "address",
+      "name": "user",
+      "type": "address"
+    },
+    {
+      "components": [
+        {
+          "internalType": "address",
+          "name": "user",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "nft",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "tokenId",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint64",
+          "name": "start",
+          "type": "uint64"
+        },
+        {
+          "internalType": "uint64",
+          "name": "stakeTime",
+          "type": "uint64"
+        }
+      ],
+      "indexed": false,
+      "internalType": "struct ERC721Staking.Staker[]",
+      "name": "infos",
+      "type": "tuple[]"
+    }
+  ],
+  "name": "Staked",
+  "type": "event"
+}
+
+export const NFT_REDEEM_EVENT_ABI = {
+  "anonymous": false,
+  "inputs": [
+    {
+      "indexed": true,
+      "internalType": "address",
+      "name": "user",
+      "type": "address"
+    },
+    {
+      "components": [
+        {
+          "internalType": "address",
+          "name": "user",
+          "type": "address"
+        },
+        {
+          "internalType": "address",
+          "name": "nft",
+          "type": "address"
+        },
+        {
+          "internalType": "uint256",
+          "name": "tokenId",
+          "type": "uint256"
+        },
+        {
+          "internalType": "uint64",
+          "name": "start",
+          "type": "uint64"
+        },
+        {
+          "internalType": "uint64",
+          "name": "stakeTime",
+          "type": "uint64"
+        }
+      ],
+      "indexed": false,
+      "internalType": "struct ERC721Staking.Staker[]",
+      "name": "infos",
+      "type": "tuple[]"
+    }
+  ],
+  "name": "Redeem",
+  "type": "event"
 }
\ No newline at end of file
diff --git a/src/config/events_cfg.ts b/src/config/events_cfg.ts
index bfacac2..6110f32 100644
--- a/src/config/events_cfg.ts
+++ b/src/config/events_cfg.ts
@@ -1,12 +1,13 @@
-import { NFT_TRANSFER_EVENT_ABI } from 'abis/Transfer'
-import { NftTransferEvent } from 'models/NftTransferEvent'
+import { NFT_REDEEM_EVENT_ABI, NFT_STAKE_EVENT_ABI, NFT_TRANSFER_EVENT_ABI } from 'abis/Transfer'
+import { NftStake } from 'models/NftStake'
+import { NftHolder } from 'models/NftHolder'
 
 export interface IEventCfg {
   address: string,
   event: string,
   abi: any,
   fromBlock: number,
-  eventProcesser: string,
+  eventProcesser?: string,
   chain: number,
   topic?: string,
 }
@@ -18,7 +19,7 @@ export const EVENTS_CFG: IEventCfg[] = [
     event: "Transfer",
     abi: NFT_TRANSFER_EVENT_ABI,
     fromBlock: 3549077,
-    eventProcesser: NftTransferEvent,
+    eventProcesser: NftHolder,
   },
   { // candy
     chain: 421614,
@@ -26,7 +27,7 @@ export const EVENTS_CFG: IEventCfg[] = [
     event: "Transfer",
     abi: NFT_TRANSFER_EVENT_ABI,
     fromBlock: 5814045,
-    eventProcesser: NftTransferEvent,
+    eventProcesser: NftHolder,
   },
   { // Explorer
     chain: 421614,
@@ -34,7 +35,7 @@ export const EVENTS_CFG: IEventCfg[] = [
     event: "Transfer",
     abi: NFT_TRANSFER_EVENT_ABI,
     fromBlock: 5814491,
-    eventProcesser: NftTransferEvent,
+    eventProcesser: NftHolder,
   },
   { // Gacha
     chain: 421614,
@@ -42,6 +43,22 @@ export const EVENTS_CFG: IEventCfg[] = [
     event: "Transfer",
     abi: NFT_TRANSFER_EVENT_ABI,
     fromBlock: 3549613,
-    eventProcesser: NftTransferEvent,
+    eventProcesser: NftHolder,
+  },
+  { // Stake
+    chain: 421614,
+    address: "0xd46fA2E72BA0F54092D0eF6a6e0D1d5660259C7a",
+    event: "Staked",
+    abi: NFT_STAKE_EVENT_ABI,
+    fromBlock: 3549891,
+    eventProcesser: NftStake,
+  },
+  { // Stake
+    chain: 421614,
+    address: "0xd46fA2E72BA0F54092D0eF6a6e0D1d5660259C7a",
+    event: "Staked",
+    abi: NFT_REDEEM_EVENT_ABI,
+    fromBlock: 3549891,
+    eventProcesser: NftStake,
   },
 ]
\ No newline at end of file
diff --git a/src/controllers/task.controllers.ts b/src/controllers/task.controllers.ts
index 2fd3379..ffbb333 100644
--- a/src/controllers/task.controllers.ts
+++ b/src/controllers/task.controllers.ts
@@ -1,9 +1,8 @@
-import { ZERO_ADDRESS } from 'common/Constants'
 import { ZError } from 'common/ZError'
 import BaseController from 'common/base.controller'
 import { role, router } from 'decorators/router'
 import { CheckIn } from 'models/CheckIn'
-import { NftTransferEvent } from 'models/NftTransferEvent'
+import { NftHolder } from 'models/NftHolder'
 import { getMonthBegin, getNDayAgo } from 'utils/date.util'
 
 
@@ -65,13 +64,13 @@ class TaskController extends BaseController {
     address = address.toLowerCase()
     user = user.toLowerCase()
 
-    let records = await NftTransferEvent.find({address, chain, from: user, to: ZERO_ADDRESS}).sort({_id: -1})
+    let records = await NftHolder.find({address, chain, user, burn: true }).sort({blockNumber: -1})
     let result = []
     for (let record of records) {
       result.push({
         address: record.address,
         chain: record.chain,
-        user: record.from,
+        user: record.user,
         tokenId: record.tokenId,
       })
     }
diff --git a/src/models/FtHolder.ts b/src/models/FtHolder.ts
new file mode 100644
index 0000000..c8e9c8b
--- /dev/null
+++ b/src/models/FtHolder.ts
@@ -0,0 +1,39 @@
+import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoose'
+import { dbconn } from 'decorators/dbconn'
+import { BaseModule } from './Base'
+import { GeneralEvent } from './GeneralEvent'
+
+@dbconn()
+@index({ chain: 1, address: 1, user: 1 }, { unique: true })
+@modelOptions({
+  schemaOptions: { collection: 'ft_holder', timestamps: true },
+})
+export class FtHolderClass extends BaseModule {
+  @prop({ required: true })
+  public address!: string
+
+  @prop({ required: true })
+  public chain: string
+
+  @prop({ required: true })
+  public amount: string
+
+  @prop()
+  public blockNumber: number
+
+  @prop()
+  public user: string
+
+  //TODO::
+  public static async parseEvent(event: typeof GeneralEvent) {
+    const address = event.address;
+    const chain = event.chain;
+    const amount = event.amount;
+    const blockNumer = event.blockNumber;
+    
+  }
+}
+
+export const FtHolder = getModelForClass(FtHolderClass, {
+  existingConnection: FtHolderClass['db'],
+})
diff --git a/src/models/FtTransferEvent.ts b/src/models/FtTransferEvent.ts
index 1f47a7d..205edb3 100644
--- a/src/models/FtTransferEvent.ts
+++ b/src/models/FtTransferEvent.ts
@@ -1,56 +1,68 @@
 import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoose'
 import { dbconn } from 'decorators/dbconn'
 import { BaseModule } from './Base'
+import { FtHolder } from './FtHolder'
 
 @dbconn()
 @index({ address: 1 }, { unique: false })
-@index({ transactionHash: 1, from: 1, to: 1 }, { unique: true })
+@index({ chain: 1, hash: 1, logIndex: 1}, { unique: true })
 @modelOptions({
   schemaOptions: { collection: 'ft_transfer_event', timestamps: true },
 })
 export class FtTransferEventClass extends BaseModule {
   @prop({ required: true })
   public address!: string
+  @prop({ required: true })
+  public chain: string
+  @prop({ required: true })
+  public logIndex: number
   @prop()
   public event: string
+  // event hash
   @prop({ required: true })
-  public transactionHash: string
+  public hash: string
   @prop()
   public blockNumber: number
   @prop()
   public blockHash: string
   @prop()
   public removed: boolean
+
   @prop()
   public from: string
   @prop()
   public to: string
   @prop()
   public amount: string
+
   @prop()
   public blockTime: number
+  @prop({ default: 0 })
+  public version: number
 
   public static async saveEvent(event: any) {
     const amount = event.returnValues?.value
     if (amount == undefined) {
       return
     }
-    const from = event.returnValues?.from
-    const to = event.returnValues?.to
+    
+    const logIndex = parseInt(event.logIndex || '0')
+    const from = event.decodedData.from.toLowerCase()
+    const to = event.decodedData.to.toLowerCase()
+    const hash = event.hash || event.transactionHash
     const data = {
-      address: event.address,
-      blockNumber: event.blockNumber,
-      blockHash: event.blockHash,
+      address: event.address.toLowerCase(),
+      blockNumber: parseInt(event.blockNumber),
       removed: event.removed,
-      event: event.event,
       from,
       to,
-      transactionHash: event.transactionHash,
       amount,
-      blockTime: event.timestamp * 1000
+      $inc: { version: 1 },
     }
-    return FtTransferEvent.insertOrUpdate({ transactionHash: event.transactionHash, amount, from, to }, data)
-  }
+    
+    let record = await FtTransferEvent.insertOrUpdate({ hash, logIndex, chain: event.chain  }, data)
+    await FtHolder.saveData(record)
+  } 
 }
 
 export const FtTransferEvent = getModelForClass(FtTransferEventClass, {
diff --git a/src/models/GeneralEvent.ts b/src/models/GeneralEvent.ts
new file mode 100644
index 0000000..86bb7f7
--- /dev/null
+++ b/src/models/GeneralEvent.ts
@@ -0,0 +1,60 @@
+import { Severity, getModelForClass, index, modelOptions, mongoose, prop } from '@typegoose/typegoose'
+import { dbconn } from 'decorators/dbconn'
+import { BaseModule } from './Base'
+import { NftHolder } from './NftHolder'
+
+@dbconn()
+@index({ chain: 1, hash: 1, logIndex: 1}, { unique: true })
+@modelOptions({
+  schemaOptions: { collection: 'general_event', timestamps: true },
+  options: { allowMixed: Severity.ALLOW },
+})
+export class GeneralEventClass extends BaseModule {
+  @prop({ required: true })
+  public address!: string
+  @prop({ required: true })
+  public chain: string
+  @prop({ required: true })
+  public logIndex: number
+  @prop()
+  public event: string
+  // event hash
+  @prop({ required: true })
+  public hash: string
+  @prop()
+  public blockNumber: number
+  @prop()
+  public blockHash: string
+  @prop()
+  public removed: boolean
+
+  @prop({ type: mongoose.Schema.Types.Mixed})
+  public decodedData: any
+  
+  @prop()
+  public blockTime: number
+  @prop({ default: 0 })
+  public version: number
+
+  
+  public static async saveEvent(event: any) {
+    const logIndex = parseInt(event.logIndex || '0')
+    const hash = event.hash || event.transactionHash
+    const data = {
+      address: event.address.toLowerCase(),
+      blockNumber: parseInt(event.blockNumber),
+      removed: event.removed,
+      decodedData: event.decodedData,
+      blockHash: event.blockHash,
+      event: event.event,
+      $inc: { version: 1 },
+    }
+    
+    let record = await GeneralEvent.insertOrUpdate({ hash, logIndex, chain: event.chain  }, data)
+    return record
+  }
+}
+
+export const GeneralEvent = getModelForClass(GeneralEventClass, {
+  existingConnection: GeneralEventClass['db'],
+})
diff --git a/src/models/NftHolder.ts b/src/models/NftHolder.ts
index cc716d1..ab183f2 100644
--- a/src/models/NftHolder.ts
+++ b/src/models/NftHolder.ts
@@ -2,6 +2,7 @@ import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoos
 import { dbconn } from 'decorators/dbconn'
 import { BaseModule } from './Base'
 import { ZERO_ADDRESS } from 'common/Constants'
+import { GeneralEvent } from './GeneralEvent'
 
 @dbconn()
 @index({ chain: 1, address: 1, tokenId: 1 }, { unique: true })
@@ -23,29 +24,24 @@ export class NftHolderClass extends BaseModule {
   @prop({default: false})
   public burn: boolean
 
-
-  public static async saveData(event: any) {
+  public static async parseEvent(event: typeof GeneralEvent) {
     const address = event.address;
     const chain = event.chain;
-    const tokenId = event.tokenId;
+    const tokenId = event.decodedData.tokenId;
     const blockNumer = event.blockNumber;
-    const burn = event.to === ZERO_ADDRESS
-
+    const burn = event.decodedData.to === ZERO_ADDRESS
+    const user = burn ? event.decodedData.from : event.decodedData.to
     let record = await NftHolder.findOne({ address, chain, tokenId })
     if (!record) {
-      record = new NftHolder({ address, chain, tokenId, blockNumber: blockNumer, user: event.to, burn })
+      record = new NftHolder({ address, chain, tokenId, blockNumber: blockNumer, user, burn })
     } else {
       if (record.blockNumber < blockNumer) {
-        if (burn) {
-          record.burn = true
-        } else {
-          record.user = event.to
-        }
+        record.user = user
+        record.burn = burn
         record.blockNumber = blockNumer
       }
     }
     await record.save();
-    
   }
 }
 
diff --git a/src/models/NftStake.ts b/src/models/NftStake.ts
new file mode 100644
index 0000000..e479724
--- /dev/null
+++ b/src/models/NftStake.ts
@@ -0,0 +1,106 @@
+import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoose'
+import { dbconn } from 'decorators/dbconn'
+import { BaseModule } from './Base'
+import logger from 'logger/logger'
+import { GeneralEvent } from './GeneralEvent'
+
+
+const STAKE_EVENT = 'Staked'
+const REDEEM_EVENT = 'Redeem'
+
+@dbconn()
+@index({ chain: 1, nft: 1, tokenId: 1, start: 1  }, { unique: true })
+@index({ chain:1, user: 1, nft: 1}, {unique: false})
+@modelOptions({
+  schemaOptions: { collection: 'nft_stake_info', timestamps: true },
+})
+export class NftStakeClass extends BaseModule {
+  @prop({ required: true })
+  public chain: string
+  @prop()
+  public blockNumber: number
+  // stake info
+  @prop()
+  public address: string
+  @prop()
+  public user: string
+  @prop()
+  public nft: string
+  @prop()
+  public tokenId: string
+  @prop()
+  public start: number
+  @prop()
+  public stakeTime: number
+  // 1: staked, 2: redeemed
+  @prop()
+  public status: number
+
+  @prop()
+  public redeemTime: number
+
+  @prop({ default: 0 })
+  public version: number
+
+
+  /**
+   * 
+    {
+      user: '0x50A8e60041A206AcaA5F844a1104896224be6F39',
+      infos: [
+        {
+          user: '0x50A8e60041A206AcaA5F844a1104896224be6F39',
+          nft: '0x09F0dFFA584B1277D7c4E44265a6b5D03303Fc99',
+          tokenId: '1',
+          start: '1704870143',
+          stakeTime: '2592000'
+        }
+      ]
+    }
+   */
+  public static async parseEvent(event: typeof GeneralEvent) {
+    const { user, infos } = event.decodedData
+    const isStake = event.event === STAKE_EVENT
+    const blockNumber = event.blockNumber
+    const chain = event.chain
+    if (infos.length === 0) {
+      return
+    }
+    for (let info of infos) {
+      let { nft, tokenId, start, stakeTime } = info
+      start = parseInt(start)
+      stakeTime = parseInt(stakeTime)
+      if (isStake) {
+        logger.info(`stake nft: ${nft}, tokenId: ${tokenId}, user: ${user}, blockNumber: ${blockNumber}`)
+        let record = new NftStake({ 
+          address: event.address,
+          chain, 
+          nft, 
+          tokenId, 
+          user, 
+          blockNumber, 
+          status: 1, 
+          start,
+          stakeTime
+        })
+        await record.save()
+      } else {
+        logger.info(`redeem nft: ${nft}, tokenId: ${tokenId}, user: ${user}, blockNumber: ${blockNumber}`)
+        await NftStake.insertOrUpdate(
+          { chain, nft, tokenId, start}, 
+          { 
+            status: 2, 
+            address: event.address,
+            user,
+            redeemTime: Date.now() / 1000 | 0,
+            blockNumber,
+            $inc: { version: 1 },
+          })
+      }
+    }
+  }
+}
+
+export const NftStake = getModelForClass(NftStakeClass, {
+  existingConnection: NftStakeClass['db'],
+})
diff --git a/src/models/NftTransferEvent.ts b/src/models/NftTransferEvent.ts
index 511dbc4..315b1cb 100644
--- a/src/models/NftTransferEvent.ts
+++ b/src/models/NftTransferEvent.ts
@@ -39,13 +39,13 @@ export class NftTransferEventClass extends BaseModule {
   public version: number
 
   public static async saveEvent(event: any) {
-    const tokenId = event.tokenId || event.value
+    const tokenId = event.decodedData.tokenId || event.decodedData.value
     if (!tokenId) {
       return
     }
     const logIndex = parseInt(event.logIndex || '0')
-    const from = event.from.toLowerCase()
-    const to = event.to.toLowerCase()
+    const from = event.decodedData.from.toLowerCase()
+    const to = event.decodedData.to.toLowerCase()
     const hash = event.hash || event.transactionHash
     const data = {
       address: event.address.toLowerCase(),
@@ -58,8 +58,7 @@ export class NftTransferEventClass extends BaseModule {
       $inc: { version: 1 },
     }
     
-    let record = NftTransferEvent.insertOrUpdate({ hash, logIndex, chain: event.chain  }, data)
-    await NftHolder.saveData(record)
+    await NftTransferEvent.insertOrUpdate({ hash, logIndex, chain: event.chain  }, data)
   }
 }
 
diff --git a/src/service/event.batch.service.ts b/src/service/event.batch.service.ts
index 955b523..11d1bd6 100644
--- a/src/service/event.batch.service.ts
+++ b/src/service/event.batch.service.ts
@@ -2,11 +2,10 @@ import { IChain } from "chain/allchain";
 import { batchEthLogs, ethBlockNumber } from "chain/chain.api";
 import { IEventCfg } from "config/events_cfg";
 import logger from "logger/logger";
+import { GeneralEvent } from "models/GeneralEvent";
 
 import { RedisClient } from "redis/RedisClient";
-import { getPastBlocksIter } from "utils/block.util";
-import { getTopics } from "utils/event.util";
-import web3abi from 'web3-eth-abi';
+import { decodeEvent, getTopics } from "utils/event.util";
 
 
 export class EventBatchSvr {
@@ -88,14 +87,18 @@ export class EventBatchSvr {
     const topic = events[0].topics[0]
     const cfg = this.processer.get(address+topic)
     logger.info(`process events: ${cfg.chain} | ${address} | ${cfg.event} | ${events.length}`)
-    const abiInputs = cfg.abi.inputs;
+    
     for (const event of events) {
-      let result = web3abi.decodeLog(abiInputs, event.data, event.topics.slice(1));
-      result.chain = this.chainCfg.id + ''
+      event.chain = this.chainCfg.id + ''
+      event.event = cfg.event
+      let result = decodeEvent(cfg, event);
       cfg.fromBlock = Math.max (parseInt(event.blockNumber, 16) + 1, cfg.fromBlock)
-      Object.assign(result, event)
-      // @ts-ignore
-      await cfg.eventProcesser.saveEvent(result)
+      event.decodedData = result
+      const record = await GeneralEvent.saveEvent(event)
+      if (cfg.eventProcesser) {
+        // @ts-ignore
+        await cfg.eventProcesser.parseEvent(record)
+      }
     }
     const redisKey = this.buildRedisKey(cfg)
     await new RedisClient().set(redisKey, cfg.fromBlock + '')
diff --git a/src/utils/block.util.ts b/src/utils/block.util.ts
index 9ced7e4..59c2f23 100644
--- a/src/utils/block.util.ts
+++ b/src/utils/block.util.ts
@@ -1,8 +1,6 @@
 import { batchEthBlocks } from "chain/chain.api";
 import logger from "logger/logger";
 import { RedisClient } from "redis/RedisClient";
-import { retry } from "./promise.util";
-import { parse } from "path";
 
 const MAX_BATCH_AMOUNT = 500
 const REQUEST_INTERVAL = 0.5 * 1000
diff --git a/src/utils/event.util.ts b/src/utils/event.util.ts
index 00ce6df..8173edc 100644
--- a/src/utils/event.util.ts
+++ b/src/utils/event.util.ts
@@ -1,13 +1,45 @@
 import { IEventCfg } from "config/events_cfg";
-import { keccak256 } from "web3-utils";
+//@ts-ignore
+import { keccak256, _jsonInterfaceMethodToString, AbiInput } from "web3-utils";
+import web3abi from 'web3-eth-abi';
 
 export const getTopics = (cfg: IEventCfg) => {
-  let abi = cfg.abi
-  let topic = 'Transfer('
-  for (let item of abi.inputs) {
-    topic += item.type + ','
+  // let abi = cfg.abi
+  // let topic = `${abi.name}(`
+  // for (let item of abi.inputs) {
+  //   topic += item.type + ','
+  // }
+  // topic = topic.slice(0, -1)
+  // topic += ')'
+  return  keccak256(_jsonInterfaceMethodToString(cfg.abi))
+}
+
+export const decodeEvent = (cfg: IEventCfg, eventData: {data: string, topics: string[]}) => {
+  const abiInputs = cfg.abi.inputs;
+  let result = web3abi.decodeLog(abiInputs, eventData.data, eventData.topics.slice(1));
+  let decodedData: any = {}
+  for (let i = 0; i < abiInputs.length; i++) {
+    const input: AbiInput = abiInputs[i];
+    if (input.type === 'tuple[]') {
+      // @ts-ignore
+      decodedData[input.name] = result[i].map(item => {
+        let itemData = {}
+        for (let j = 0; j < input.components.length; j++) {
+          const component = input.components[j];
+          itemData[component.name] = item[j]
+        }
+        return itemData
+      })
+    } else if (input.type === 'tuple') {
+      let itemData = {}
+      for (let j = 0; j < input.components.length; j++) {
+        const component = input.components[j];
+        itemData[component.name] = result[i][j]
+      }
+      decodedData[input.name] = itemData
+    } else {
+      decodedData[input.name] = result[i]
+    }
   }
-  topic = topic.slice(0, -1)
-  topic += ')'
-  return keccak256(topic)
+  return decodedData
 }
\ No newline at end of file