diff --git a/src/main/kotlin/com/api/wallet/domain/nft/Nft.kt b/src/main/kotlin/com/api/wallet/domain/nft/Nft.kt
index 4b19514..18b0e55 100644
--- a/src/main/kotlin/com/api/wallet/domain/nft/Nft.kt
+++ b/src/main/kotlin/com/api/wallet/domain/nft/Nft.kt
@@ -5,7 +5,9 @@ import org.springframework.data.relational.core.mapping.Table
 
 @Table("nft")
 class Nft(
-    @Id val tokenAddress: String,
-    val networkType: String
+    @Id val id: Long? = null,
+    val tokenId: String,
+    val tokenAddress: String,
+    val networkType: String,
 ) {
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/nft/repository/NftRepository.kt b/src/main/kotlin/com/api/wallet/domain/nft/repository/NftRepository.kt
index 6a0220d..1bbf0e5 100644
--- a/src/main/kotlin/com/api/wallet/domain/nft/repository/NftRepository.kt
+++ b/src/main/kotlin/com/api/wallet/domain/nft/repository/NftRepository.kt
@@ -4,6 +4,7 @@ import com.api.wallet.domain.nft.Nft
 import org.springframework.data.repository.reactive.ReactiveCrudRepository
 import reactor.core.publisher.Mono
 
-interface NftRepository : ReactiveCrudRepository<Nft,String>, NftRepositorySupport {
-    fun findByTokenAddressAndNetworkType(address: String, networkType: String): Mono<Nft>
+interface NftRepository : ReactiveCrudRepository<Nft,Long>, NftRepositorySupport {
+
+    fun findByTokenAddressAndNetworkTypeAndTokenId(address: String, networkType: String,tokenId: String): Mono<Nft>
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/transaction/Transaction.kt b/src/main/kotlin/com/api/wallet/domain/transaction/Transaction.kt
index 595e94f..47b1002 100644
--- a/src/main/kotlin/com/api/wallet/domain/transaction/Transaction.kt
+++ b/src/main/kotlin/com/api/wallet/domain/transaction/Transaction.kt
@@ -7,13 +7,13 @@ import java.math.BigDecimal
 @Table("transaction")
 class Transaction(
     @Id val id: Long? = null,
-    val nftId: String, // 외래키
+    val nftId: Long, // 외래키
     val toAddress: String,
     val fromAddress: String,
     val amount: Int,
     val value: BigDecimal,
     val hash: String?,
     val blockTimestamp: Long?,
-    val walletId: String?, // 외래키
+    val walletId: Long?, // 외래키
 ){
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/transaction/repository/TransactionRepository.kt b/src/main/kotlin/com/api/wallet/domain/transaction/repository/TransactionRepository.kt
index 65103bf..3270a86 100644
--- a/src/main/kotlin/com/api/wallet/domain/transaction/repository/TransactionRepository.kt
+++ b/src/main/kotlin/com/api/wallet/domain/transaction/repository/TransactionRepository.kt
@@ -7,6 +7,6 @@ import reactor.core.publisher.Flux
 
 interface TransactionRepository: ReactiveCrudRepository<Transaction,Long> {
 
-    fun findAllByWalletIdOrderByBlockTimestampDesc(address: String,pageable: Pageable?): Flux<Transaction>
+    fun findAllByWalletIdOrderByBlockTimestampDesc(walletId: Long,pageable: Pageable?): Flux<Transaction>
 
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/wallet/Wallet.kt b/src/main/kotlin/com/api/wallet/domain/wallet/Wallet.kt
index 84a9624..ded141c 100644
--- a/src/main/kotlin/com/api/wallet/domain/wallet/Wallet.kt
+++ b/src/main/kotlin/com/api/wallet/domain/wallet/Wallet.kt
@@ -6,7 +6,8 @@ import java.math.BigDecimal
 
 @Table("wallet")
 data class Wallet(
-    @Id val address: String,
+    @Id val id: Long? = null,
+    val address: String,
     val userId: Long,
     val networkType: String,
     var balance: BigDecimal,
diff --git a/src/main/kotlin/com/api/wallet/domain/wallet/repository/WalletRepository.kt b/src/main/kotlin/com/api/wallet/domain/wallet/repository/WalletRepository.kt
index b151e8a..922aea7 100644
--- a/src/main/kotlin/com/api/wallet/domain/wallet/repository/WalletRepository.kt
+++ b/src/main/kotlin/com/api/wallet/domain/wallet/repository/WalletRepository.kt
@@ -6,7 +6,7 @@ import org.springframework.data.repository.reactive.ReactiveCrudRepository
 import reactor.core.publisher.Flux
 import reactor.core.publisher.Mono
 
-interface WalletRepository : ReactiveCrudRepository<Wallet,String>, WalletRepositorySupport {
+interface WalletRepository : ReactiveCrudRepository<Wallet,Long>, WalletRepositorySupport {
     fun findByAddressAndNetworkType(address: String, networkType: String): Mono<Wallet>
     fun findAllByAddress(address: String): Flux<Wallet>
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/walletNft/WalletNft.kt b/src/main/kotlin/com/api/wallet/domain/walletNft/WalletNft.kt
index 6c5517f..8ada726 100644
--- a/src/main/kotlin/com/api/wallet/domain/walletNft/WalletNft.kt
+++ b/src/main/kotlin/com/api/wallet/domain/walletNft/WalletNft.kt
@@ -6,7 +6,8 @@ import org.springframework.data.relational.core.mapping.Table
 @Table("wallet_nft")
 class WalletNft(
     @Id val id: Long? = null,
-    val walletId: String,
-    val nftId: String
+    val walletId: Long,
+    val nftId: Long,
+    val amount: Int,
 ) {
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepository.kt b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepository.kt
index ac28341..08b6502 100644
--- a/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepository.kt
+++ b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepository.kt
@@ -1,14 +1,16 @@
 package com.api.wallet.domain.walletNft.repository
 
 import com.api.wallet.domain.walletNft.WalletNft
+import com.api.wallet.enums.NetworkType
+import org.springframework.data.r2dbc.repository.Query
 import org.springframework.data.domain.Pageable
 import org.springframework.data.repository.reactive.ReactiveCrudRepository
 import reactor.core.publisher.Flux
 import reactor.core.publisher.Mono
 
-interface WalletNftRepository : ReactiveCrudRepository<WalletNft,Long> {
+interface WalletNftRepository : ReactiveCrudRepository<WalletNft,Long>, WalletNftRepositorySupport {
 
-    fun findByWalletId(address: String): Flux<WalletNft>
+    fun findByWalletId(walletId: Long): Flux<WalletNft>
 
-    fun deleteByNftIdAndWalletId(tokenAddress: String,walletAddress: String): Mono<Void>
+    fun deleteByNftIdAndWalletId(nftId: Long,walletId: Long): Mono<Void>
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepositorySupport.kt b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepositorySupport.kt
new file mode 100644
index 0000000..083d773
--- /dev/null
+++ b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepositorySupport.kt
@@ -0,0 +1,10 @@
+package com.api.wallet.domain.walletNft.repository
+
+import com.api.wallet.enums.NetworkType
+import reactor.core.publisher.Flux
+
+interface WalletNftRepositorySupport {
+
+    fun findByWalletIdJoinNft(address: String, networkType: String) : Flux<WalletNftWithNft>
+
+}
diff --git a/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepositorySupportImpl.kt b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepositorySupportImpl.kt
new file mode 100644
index 0000000..4a4d8a7
--- /dev/null
+++ b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftRepositorySupportImpl.kt
@@ -0,0 +1,40 @@
+package com.api.wallet.domain.walletNft.repository
+
+import org.springframework.data.r2dbc.core.R2dbcEntityTemplate
+import reactor.core.publisher.Flux
+
+class WalletNftRepositorySupportImpl(
+    private val r2dbcEntityTemplate: R2dbcEntityTemplate
+): WalletNftRepositorySupport {
+
+
+    override fun findByWalletIdJoinNft(address: String, networkType: String): Flux<WalletNftWithNft> {
+        val query = """
+        SELECT 
+            wn.id AS wn_id, 
+            wn.wallet_id AS wallet_address, 
+            n.id AS nft_id, 
+            n.token_address AS nft_token_address, 
+            n.token_id AS nft_token_id 
+        FROM wallet_nft wn 
+        JOIN wallet w ON wn.wallet_id = w.id 
+        JOIN nft n ON wn.nft_id = n.id 
+        WHERE w.address = $1 AND w.network_type = $2
+    """
+
+        return r2dbcEntityTemplate.databaseClient.sql(query)
+            .bind(0, address)
+            .bind(1, networkType)
+            .map { row, metadata ->
+                WalletNftWithNft(
+                    id = (row.get("wn_id") as Number).toLong(),
+                    walletId = (row.get("wallet_id") as Number).toLong(),
+                    nftId = (row.get("nft_id") as Number).toLong(),
+                    nftTokenAddress = row.get("nft_token_address", String::class.java)!!,
+                    nftTokenId = row.get("nft_token_id", String::class.java)!!
+                )
+            }
+            .all()
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftWithNft.kt b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftWithNft.kt
new file mode 100644
index 0000000..bac52fd
--- /dev/null
+++ b/src/main/kotlin/com/api/wallet/domain/walletNft/repository/WalletNftWithNft.kt
@@ -0,0 +1,10 @@
+package com.api.wallet.domain.walletNft.repository
+
+
+data class WalletNftWithNft(
+    val id: Long,
+    val walletId: Long,
+    val nftId: Long,
+    val nftTokenAddress: String,
+    val nftTokenId: String,
+)
diff --git a/src/main/kotlin/com/api/wallet/service/api/NftService.kt b/src/main/kotlin/com/api/wallet/service/api/NftService.kt
index dc7ca4c..c6f6b79 100644
--- a/src/main/kotlin/com/api/wallet/service/api/NftService.kt
+++ b/src/main/kotlin/com/api/wallet/service/api/NftService.kt
@@ -6,6 +6,7 @@ import com.api.wallet.domain.wallet.Wallet
 import com.api.wallet.domain.wallet.repository.WalletRepository
 import com.api.wallet.domain.walletNft.WalletNft
 import com.api.wallet.domain.walletNft.repository.WalletNftRepository
+import com.api.wallet.domain.walletNft.repository.WalletNftWithNft
 import com.api.wallet.enums.NetworkType
 import com.api.wallet.service.moralis.MoralisService
 import com.api.wallet.service.moralis.dto.response.NFTResult
@@ -26,14 +27,16 @@ class NftService(
     private val walletNftRepository: WalletNftRepository,
 ) {
 
-    fun findByTokenAddress(tokenAddress: String,networkType: String): Mono<Nft> {
-        return nftRepository.findByTokenAddressAndNetworkType(tokenAddress,networkType)
+    fun findByTokenAddress(tokenAddress: String,networkType: String,tokenId:String): Mono<Nft> {
+        return nftRepository.findByTokenAddressAndNetworkTypeAndTokenId(tokenAddress,networkType,tokenId)
             .switchIfEmpty(
-                nftRepository.insert(Nft(tokenAddress,networkType)
-            ))
+                nftRepository.insert(
+                    Nft(
+                    tokenId = tokenId, tokenAddress = tokenAddress, networkType = networkType)
+                )
+            )
     }
 
-
     //TODO("반환값 재정의 : nft: 메타데이터 필요")
     @Transactional
     fun readAllNftByWallet(address: String, networkType:NetworkType?, pageable: Pageable): Mono<Page<WalletNft>> {
@@ -57,33 +60,36 @@ class NftService(
     }
 
     private fun getNftByWallet(wallet: Wallet): Flux<WalletNft> {
-        val response = moralisService.getNFTsByAddress(wallet.address, wallet.networkType.convertNetworkTypeToChainType()) //11
-        val getNftsByWallet = walletNftRepository.findByWalletId(wallet.address)
+        val response = moralisService.getNFTsByAddress(wallet.address, wallet.networkType.convertNetworkTypeToChainType())
+        val getNftsByWallet = walletNftRepository.findByWalletIdJoinNft(wallet.address,wallet.networkType)
 
         return Mono.zip(response, getNftsByWallet.collectList())
             .flatMapMany { tuple ->
-                val responseNfts = tuple.t1.result.associateBy { it.tokenAddress }
-                val getNfts = tuple.t2.associateBy { it.nftId } // 0
+                val responseNfts = tuple.t1.result.associateBy { Pair(it.tokenAddress,it.tokenId) }
+                val getNfts = tuple.t2.associateBy { Pair(it.nftTokenAddress,it.nftTokenId) }
+
 
                 deleteToWalletNft(responseNfts, getNfts, wallet)
                     .thenMany(addToWalletNft(responseNfts, getNfts, wallet))
-                    .thenMany(walletNftRepository.findByWalletId(wallet.address))
+                    .thenMany(walletNftRepository.findByWalletId(wallet.id!!))
             }
     }
 
 
     private fun addToWalletNft(
-        responseNftsMap: Map<String,NFTResult>,
-        getNftsMap: Map<String,WalletNft>,
+        responseNftsMap: Map<Pair<String,String>,NFTResult>,
+        getNftsMap: Map<Pair<String,String>,WalletNftWithNft>,
         wallet: Wallet,
         ): Flux<WalletNft> {
           return Flux.fromIterable(responseNftsMap.keys).filter{ !getNftsMap.containsKey(it) }
-                .flatMap { tokenAddress ->
-                     findByTokenAddress(tokenAddress,wallet.networkType).flatMap { nft->
+                .flatMap {
+                    val data = responseNftsMap[Pair(it.first,it.second)]
+                     findByTokenAddress(data!!.tokenAddress,wallet.networkType,data!!.tokenId).flatMap { nft->
                          walletNftRepository.save(
                              WalletNft(
-                                 walletId = wallet.address,
-                                 nftId = nft.tokenAddress
+                                 walletId = wallet.id!!,
+                                 nftId = nft.id!!,
+                                 amount = data.amount!!.toInt()
                              )
                          )
                      }
@@ -91,15 +97,16 @@ class NftService(
         }
 
     private fun deleteToWalletNft(
-        responseNftsMap: Map<String,NFTResult>,
-        getNftsMap: Map<String,WalletNft>,
+        responseNftsMap: Map<Pair<String,String>,NFTResult>,
+        getNftsMap: Map<Pair<String,String>,WalletNftWithNft>,
         wallet: Wallet,
     ): Flux<Void>
     {
        return Flux.fromIterable(getNftsMap.keys)
                 .filter { !responseNftsMap.containsKey(it) }
-                .flatMap { tokenAddress ->
-                    walletNftRepository.deleteByNftIdAndWalletId(tokenAddress,wallet.address)
+                .flatMap {
+                    val data = getNftsMap[Pair(it.first,it.second)]
+                    walletNftRepository.deleteByNftIdAndWalletId(data!!.nftId,data.walletId)
                 }
     }
 
diff --git a/src/main/kotlin/com/api/wallet/service/api/WalletService.kt b/src/main/kotlin/com/api/wallet/service/api/WalletService.kt
index b62a5a7..d991252 100644
--- a/src/main/kotlin/com/api/wallet/service/api/WalletService.kt
+++ b/src/main/kotlin/com/api/wallet/service/api/WalletService.kt
@@ -6,7 +6,6 @@ import com.api.wallet.domain.user.Users
 import com.api.wallet.domain.user.repository.UserRepository
 import com.api.wallet.domain.wallet.Wallet
 import com.api.wallet.domain.wallet.repository.WalletRepository
-import com.api.wallet.enums.ChainType
 import com.api.wallet.enums.NetworkType
 import com.api.wallet.service.infura.InfuraApiService
 import com.api.wallet.util.Util.convertNetworkTypeToChainType
@@ -56,7 +55,7 @@ class WalletService(
     private fun createUserAndWallet(address: String, network: Network): Mono<Wallet> {
         return userRepository.save(Users(nickName = "Unknown"))
                 .flatMap { user ->
-                    walletRepository.insert(Wallet(
+                    walletRepository.save(Wallet(
                         address = address,
                         userId = user.id!!,
                         networkType = network.type!!,
@@ -77,12 +76,4 @@ class WalletService(
             .map { wallet.updateBalance(it) }
             .flatMap { walletRepository.save(it)  }
     }
-
-    private fun convertNetworkTypeToChainType(networkType: NetworkType): ChainType {
-        return when (networkType) {
-            NetworkType.ETHEREUM -> ChainType.ETHEREUM_MAINNET
-            NetworkType.POLYGON -> ChainType.POLYGON_MAINNET
-
-        }
-    }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/api/wallet/service/api/WalletTransactionService.kt b/src/main/kotlin/com/api/wallet/service/api/WalletTransactionService.kt
index 5d19116..e3c740d 100644
--- a/src/main/kotlin/com/api/wallet/service/api/WalletTransactionService.kt
+++ b/src/main/kotlin/com/api/wallet/service/api/WalletTransactionService.kt
@@ -45,7 +45,7 @@ class WalletTransactionService(
     }
 
     private fun getTransactions(wallet: Wallet, pageable: Pageable): Flux<Transaction> {
-        val updateFlux = transactionRepository.findAllByWalletIdOrderByBlockTimestampDesc(wallet.address,pageable)
+        val updateFlux = transactionRepository.findAllByWalletIdOrderByBlockTimestampDesc(wallet.id!!,pageable)
             .collectList()
             .flatMapMany {
                 val lastBlockTimestamp = it.firstOrNull()?.blockTimestamp?.plus(10000)
@@ -63,7 +63,7 @@ class WalletTransactionService(
             }
 
         return updateFlux.thenMany(
-            transactionRepository.findAllByWalletIdOrderByBlockTimestampDesc(wallet.address, pageable)
+            transactionRepository.findAllByWalletIdOrderByBlockTimestampDesc(wallet.id!!, pageable)
         )
     }
 
@@ -71,22 +71,22 @@ class WalletTransactionService(
 
     private fun saveOrUpdate(results: Flux<TransferResult>,wallet: Wallet): Flux<Transaction> {
        return results.flatMap {result ->
-           nftService.findByTokenAddress(result.tokenAddress,wallet.networkType).flatMap { nft->
+           nftService.findByTokenAddress(result.tokenAddress,wallet.networkType,result.tokenId).flatMap { nft->
                transactionRepository.save(
                    Transaction(
-                       nftId = nft.tokenAddress,
+                       nftId = nft.id!!,
                        toAddress = result.toAddress,
                        fromAddress = result.fromAddress,
                        amount = result.amount.toInt(),
                        value = result.value.toBigDecimal(),
                        hash =  result.blockHash,
                        blockTimestamp = result.blockTimestamp.toTimestamp(),
-                       walletId = wallet.address
+                       walletId = wallet.id!!
                    )
                )
            }
-
-        }
+        }.collectList()
+           .flatMapMany { Flux.fromIterable(it) }
     }
 
 }
\ No newline at end of file
diff --git a/src/main/resources/db/postgresql/migration/V1__Initial_schema.sql b/src/main/resources/db/postgresql/migration/V1__Initial_schema.sql
index 8538764..fedba40 100644
--- a/src/main/resources/db/postgresql/migration/V1__Initial_schema.sql
+++ b/src/main/resources/db/postgresql/migration/V1__Initial_schema.sql
@@ -13,7 +13,8 @@ CREATE TABLE IF NOT EXISTS network (
 );
 
 CREATE TABLE IF NOT EXISTS wallet (
-    address VARCHAR(255) PRIMARY KEY,
+    id SERIAL PRIMARY KEY,
+    address VARCHAR(255) NOT NULL,
     balance DECIMAL(19, 4) NOT NULL,
     created_At BIGINT,
     updated_At BIGINT,
@@ -28,25 +29,28 @@ CREATE TABLE IF NOT EXISTS wallet (
     );
 
 CREATE TABLE IF NOT EXISTS nft (
-    token_address VARCHAR(255) PRIMARY KEY,
+    id SERIAL PRIMARY KEY,
+    token_id VARCHAR(255) NOT NULL,
+    token_address VARCHAR(255) NOT NULL,
     network_type varchar(100) REFERENCES network(type)
 );
 
 CREATE TABLE IF NOT EXISTS transaction (
     id SERIAL PRIMARY KEY,
-    nft_id VARCHAR(255) REFERENCES nft(token_address),
+    nft_id BIGINT REFERENCES nft(id),
     to_address VARCHAR(255) NOT NULL,
     from_address VARCHAR(255) NOT NULL,
     amount INT,
     value NUMERIC,
     hash VARCHAR(255),
     block_timestamp BIGINT,
-    wallet_id VARCHAR(255) REFERENCES wallet(address)
+    wallet_id BIGINT REFERENCES wallet(id)
 );
 
 CREATE TABLE IF NOT EXISTS wallet_nft (
     id SERIAL PRIMARY KEY,
-    wallet_id VARCHAR(255) REFERENCES wallet(address),
-    nft_id VARCHAR(255) REFERENCES nft(token_address)
-)
+    wallet_id BIGINT REFERENCES wallet(id),
+    nft_id BIGINT REFERENCES nft(id),
+    amount INT
+);
 
diff --git a/src/test/kotlin/com/api/wallet/ValidatorTest.kt b/src/test/kotlin/com/api/wallet/ValidatorTest.kt
index 5dd7309..3f4747e 100644
--- a/src/test/kotlin/com/api/wallet/ValidatorTest.kt
+++ b/src/test/kotlin/com/api/wallet/ValidatorTest.kt
@@ -119,7 +119,7 @@ class ValidatorTest(
     @Test
     fun tansferasdas() {
         val address = "0x01b72b4aa3f66f213d62d53e829bc172a6a72867"
-        val pagebale = PageRequest.of(2,4)
+        val pagebale = PageRequest.of(0,20)
         val networkType = NetworkType.POLYGON
 
         val transaction: Page<Transaction>? = walletTransactionService.readAllTransactions(address,networkType,pagebale).block()
@@ -139,7 +139,7 @@ class ValidatorTest(
     @Test
     fun readAllNfts() {
         val address = "0x01b72b4aa3f66f213d62d53e829bc172a6a72867"
-        val pagebale = PageRequest.of(0,3)
+        val pagebale = PageRequest.of(0,10)
         val nftList= nftService.readAllNftByWallet(address,null,pagebale).block()
 
             println("total element : "+nftList?.totalElements)