diff --git a/web3-credential-server/build/resources/main/data.sql b/web3-credential-server/build/resources/main/data.sql
index c717d77..3147753 100644
--- a/web3-credential-server/build/resources/main/data.sql
+++ b/web3-credential-server/build/resources/main/data.sql
@@ -1,9 +1,14 @@
 INSERT INTO users (email, password)
 VALUES
     ('pjhcsols@naver.com', '$2a$10$ENYqGvZ3p6LvtsBnRWINSOJHKlMt1Ykgb3.jCnoKkrhMihviXhkDu'),
-    ('exampleuser@example.com', '$2a$10$EXAMPLEHASHFORUSERPASSWORD');
+    ('exampleuser@example.com', '$2a$10$EXAMPLEHASHFORUSERPASSWORD'),
+    ('3751271433', '$2a$10$skVt4kLn.95UGnrasmxQku5AGhhg6fESNtg/Ndw3iBQin.SqHrIdK');
 
 INSERT INTO wallets (user_id, pdfUrl,privateKey, publicKey)
 VALUES
     (1,'https://basilium-product-bucket.s3.ap-northeast-2.amazonaws.com/1_certifications.pdf','privateKeyForUser1', 'publicKeyForUser1'),
-    (2,null,'privateKeyForUser2', 'publicKeyForUser2');
\ No newline at end of file
+    (2,null,'privateKeyForUser2', 'publicKeyForUser2'),
+    (3,null,'privateKeyForUser2', 'publicKeyForUser2');
+
+
+
diff --git a/web3-credential-server/build/tmp/compileJava/previous-compilation-data.bin b/web3-credential-server/build/tmp/compileJava/previous-compilation-data.bin
index 5a70af2..889e4c3 100644
Binary files a/web3-credential-server/build/tmp/compileJava/previous-compilation-data.bin and b/web3-credential-server/build/tmp/compileJava/previous-compilation-data.bin differ
diff --git a/web3-credential-server/src/main/java/web3/config/SecurityConfig.java b/web3-credential-server/src/main/java/web3/config/SecurityConfig.java
index e82dfe7..faf7852 100644
--- a/web3-credential-server/src/main/java/web3/config/SecurityConfig.java
+++ b/web3-credential-server/src/main/java/web3/config/SecurityConfig.java
@@ -59,7 +59,8 @@ public CorsConfigurationSource corsConfigurationSource() {
         //configuration.setAllowedHeaders(Arrays.asList("Authorization", "Content-Type"));
 
         configuration.setAllowedOrigins(Arrays.asList("*")); // 모든 출처 허용
-        configuration.setAllowedMethods(Arrays.asList("*")); // 모든 HTTP 메서드 허용
+        //configuration.setAllowedMethods(Arrays.asList("*")); // 모든 HTTP 메서드 허용
+        configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH"));
         configuration.setAllowedHeaders(Arrays.asList("*")); // 모든 헤더 허용
         configuration.setAllowCredentials(true); // 쿠키 및 인증 정보를 허용
         configuration.setExposedHeaders(Arrays.asList("Authorization", "Content-Disposition"));
diff --git a/web3-credential-server/src/main/resources/chainCode/certification_chaincode.go b/web3-credential-server/src/main/resources/chainCode/certification_chaincode.go
index 41d3319..173d529 100644
--- a/web3-credential-server/src/main/resources/chainCode/certification_chaincode.go
+++ b/web3-credential-server/src/main/resources/chainCode/certification_chaincode.go
@@ -3,7 +3,7 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	//"io/ioutil" // 개인 키 파일 읽기에 사용
+	// "io/ioutil" // 개인 키 파일 읽기에 사용
 	"github.com/hyperledger/fabric-contract-api-go/contractapi"
 	"os"
 )
@@ -28,7 +28,6 @@ func readPrivateKey(path string) (string, error) {
 	return string(data), nil
 }
 
-
 // 인증 정보를 저장하는 함수
 func (c *CertificationContract) RegisterCertification(ctx contractapi.TransactionContextInterface, key string, email string, univName string, univCheck bool) error {
 	// 인증 정보 저장 로직
diff --git a/web3-credential-server/src/main/resources/data.sql b/web3-credential-server/src/main/resources/data.sql
index c717d77..3147753 100644
--- a/web3-credential-server/src/main/resources/data.sql
+++ b/web3-credential-server/src/main/resources/data.sql
@@ -1,9 +1,14 @@
 INSERT INTO users (email, password)
 VALUES
     ('pjhcsols@naver.com', '$2a$10$ENYqGvZ3p6LvtsBnRWINSOJHKlMt1Ykgb3.jCnoKkrhMihviXhkDu'),
-    ('exampleuser@example.com', '$2a$10$EXAMPLEHASHFORUSERPASSWORD');
+    ('exampleuser@example.com', '$2a$10$EXAMPLEHASHFORUSERPASSWORD'),
+    ('3751271433', '$2a$10$skVt4kLn.95UGnrasmxQku5AGhhg6fESNtg/Ndw3iBQin.SqHrIdK');
 
 INSERT INTO wallets (user_id, pdfUrl,privateKey, publicKey)
 VALUES
     (1,'https://basilium-product-bucket.s3.ap-northeast-2.amazonaws.com/1_certifications.pdf','privateKeyForUser1', 'publicKeyForUser1'),
-    (2,null,'privateKeyForUser2', 'publicKeyForUser2');
\ No newline at end of file
+    (2,null,'privateKeyForUser2', 'publicKeyForUser2'),
+    (3,null,'privateKeyForUser2', 'publicKeyForUser2');
+
+
+
diff --git a/web3-credential-server/src/main/resources/run_chaincode.sh b/web3-credential-server/src/main/resources/run_chaincode.sh
index badf740..d9ce6d1 100644
--- a/web3-credential-server/src/main/resources/run_chaincode.sh
+++ b/web3-credential-server/src/main/resources/run_chaincode.sh
@@ -5,6 +5,9 @@ CORE_PEER_ADDRESS=$(docker exec peer0.org1.example.com printenv CORE_PEER_ADDRES
 CORE_PEER_LOCALMSPID=$(docker exec peer0.org1.example.com printenv CORE_PEER_LOCALMSPID)
 ORDERER_ADDRESS=$(docker exec orderer.example.com printenv ORDERER_ADDRESS)
 
+# 파일 삭제 및 초기화
+#docker exec -it peer0.org1.example.com /bin/bash -c "rm -rf /opt/gopath/src/chaincode"
+
 echo "1"
 # 개인 키 파일 존재 여부 확인 (도커 내부에서 확인)
 if ! docker exec peer0.org1.example.com [ -f /etc/hyperledger/fabric/msp/keystore/priv_sk ]; then
@@ -22,7 +25,7 @@ fi
 echo "3"
 # 체인코드 파일 도커 컨테이너로 복사
 echo "Copying chaincode file to the container..."
-docker cp /Users/hansol/Desktop/공개SW/2차/BE/Web3.0-Credential_Management_System/web3-credential-server/src/main/resources/chaincode/certification_chaincode.go peer0.org1.example.com:/opt/gopath/src/chaincode
+docker cp /Users/hansol/Desktop/공개SW/final/Web3.0-Credential_Management_System/web3-credential-server/src/main/resources/chainCode/certification_chaincode.go peer0.org1.example.com:/opt/gopath/src/chaincode
 
 echo "4"
 # 체인코드가 정상적으로 복사되었는지 확인
@@ -70,9 +73,47 @@ echo "7"
 # 체인코드 ID 설정
 export CORE_CHAINCODE_ID_NAME=certification_chaincode:1.0
 
+#docker exec -it peer0.org1.example.com /bin/bash
+# cd /opt/gopath/src/chaincode
+# go mod init certification_chaincode
+# go get github.com/hyperledger/fabric-contract-api-go/contractapi
+# go mod tidy
+docker exec -it peer0.org1.example.com /bin/bash -c "cd /opt/gopath/src/chaincode && go mod init certification_chaincode"
+docker exec -it peer0.org1.example.com /bin/bash -c "cd /opt/gopath/src/chaincode && go get github.com/hyperledger/fabric-contract-api-go/contractapi"
+docker exec -it peer0.org1.example.com /bin/bash -c "cd /opt/gopath/src/chaincode && go mod tidy"
+
+#chmod 666 /etc/hyperledger/fabric/msp/keystore/priv_sk
+#ls -l /etc/hyperledger/fabric/msp/keystore/
+docker exec peer0.org1.example.com find / -name "ca.crt"
+
+# 채널 생성
+docker exec -it peer0.org1.example.com peer channel create -o orderer.example.com:7050 -c IdentityBlock -f ./channel-artifacts/channel.tx --outputBlock ./channel-artifacts/IdentityBlock.block --tls --cafile /etc/hyperledger/fabric/tls/ca.crt
+
+# 피어를 채널에 가입
+docker exec -it peer0.org1.example.com peer channel join -b ./channel-artifacts/IdentityBlock.block
+
+# 체인 코드 복사 후 설치
+docker exec -it peer0.org1.example.com peer lifecycle chaincode package certification_chaincode.tar.gz --path /opt/gopath/src/chaincode --lang golang --label certification_chaincode
+docker exec -it peer0.org1.example.com peer lifecycle chaincode install certification_chaincode.tar.gz
+
+# 체인 코드 승인
+docker exec -it peer0.org1.example.com peer lifecycle chaincode approveformyorg --channelID IdentityBlock --name certification_chaincode --version 1.0 --sequence 1 --signature-policy "AND ('Org1MSP.peer')" --output json --init-required
+
+# 체인 코드 커밋
+docker exec -it peer0.org1.example.com peer lifecycle chaincode commit -o orderer.example.com:7050 --channelID IdentityBlock --name certification_chaincode --version 1.0 --sequence 1 --peerAddresses peer0.org1.example.com:7051 --peerAddresses peer0.org2.example.com:9051
+
+# 체인 코드 초기화 (옵션)
+#docker exec -it peer0.org1.example.com peer chaincode invoke -o orderer.example.com:7050 --channelID IdentityBlock --name certification_chaincode --isInit --peerAddresses peer0.org1.example.com:7051 -c '{"function":"initLedger","Args":[]}'
+
+# 체인코드를 쿼리하여 결과를 확인합니다.
+docker exec -it peer0.org1.example.com peer chaincode query -C IdentityBlock -n certification_chaincode -c '{"Args":["queryFunction","arg1"]}'
+
+
+
 echo "8"
 # 체인코드 실행 환경 설정 및 실행
 echo "컨테이너 내에서 CORE_CHAINCODE_ID_NAME 설정 및 체인코드 실행 중..."
-docker exec -it peer0.org1.example.com /bin/bash -c "export CORE_CHAINCODE_ID_NAME=certification_chaincode:1.0 && export PATH=\$PATH:/usr/local/go/bin && cd /opt/gopath/src/chaincode && go run certification_chaincode.go --peer.address='peer0.org1.example.com:7051'"
+docker exec -it peer0.org1.example.com /bin/bash -c "cat /etc/hyperledger/fabric/msp/keystore/priv_sk"
+docker exec -it peer0.org1.example.com /bin/bash -c "export CORE_CHAINCODE_ID_NAME=certification_chaincode:1.0 && export PATH=\$PATH:/usr/local/go/bin && export CORE_CHAINCODE_PATH=/opt/gopath/src/chaincode && cd /opt/gopath/src/chaincode && go run certification_chaincode.go --peer.address='peer0.org1.example.com:7051'"
 
 echo "체인코드 실행 완료"