diff --git a/hyperledger_fabric/latest/Makefile b/hyperledger_fabric/latest/Makefile
index e5c503e1..726e96de 100644
--- a/hyperledger_fabric/latest/Makefile
+++ b/hyperledger_fabric/latest/Makefile
@@ -2,6 +2,9 @@ KAFKA_ENABLED ?= false
 COUCHDB_ENABLED ?= false
 DEV_ENABLED ?= true
 
+CODE_BUILD_WAIT=2
+FABRIC_INIT_WAIT=2
+
 COMPOSE_FILE ?= "docker-compose-2orgs-4peers.yaml"
 
 ifeq ($(KAFKA_ENABLED),true)
@@ -28,14 +31,14 @@ all:
 ready: restart
 	@echo "Restart, init network and then do cc testing..."
 	if [ "$(DEV_ENABLED)" = "true" ]; then \
-			echo "In DEV mode, wait for rebuilding ..." && sleep 40; \
+			echo "In DEV mode, wait for rebuilding ..." && sleep $(CODE_BUILD_WAIT); \
 			make init_peer0; \
-			sleep 2; \
-			make test_peer0; \
+			sleep $(FABRIC_INIT_WAIT); \
+			make test_cc_peer0; \
 	else \
 			echo "In Normal mode ..." && sleep 3; \
 			make init; \
-			sleep 2; \
+			sleep $(FABRIC_INIT_WAIT); \
 			make test_cc; \
 	fi
 
@@ -62,12 +65,14 @@ stop: # stop the fabric network
 
 restart: stop start
 
+chaincode_dev: restart chaincode_init test_cc_peer0 stop
+
 ################## Chaincode testing operations ################
-test_cc: # test user chaincode on all peers
+test_cc_all: # test user chaincode on all peers
 	@echo "Invoke and query cc example02 on all peers"
 	docker exec -it fabric-cli bash -c "cd /tmp; bash scripts/test_cc_all.sh"
 
-test_peer0: # test single peer
+test_cc_peer0: # test single peer
 	@echo "Invoke and query cc example02 on single peer0"
 	docker exec -it fabric-cli bash -c "cd /tmp; bash scripts/test_cc_peer0.sh"
 
@@ -141,3 +146,10 @@ download: # download required images
 	docker pull hyperledger/fabric-baseos:x86_64-0.4.2
 	docker tag yeasy/hyperledger-fabric:latest hyperledger/fabric-ccenv:x86_64-1.1.0
 
+
+
+################## chaincode dev mode ################
+chaincode_init: # start chaincode in dev mode and do install/instantiate
+	@echo "Install and instantiate cc example02 on the fabric dev network"
+	docker exec -it fabric-cli bash -c "cd /tmp; bash scripts/init_chaincode_dev.sh"
+
diff --git a/hyperledger_fabric/latest/base.yaml b/hyperledger_fabric/latest/base.yaml
index 45a4756c..daf5fb57 100644
--- a/hyperledger_fabric/latest/base.yaml
+++ b/hyperledger_fabric/latest/base.yaml
@@ -14,6 +14,7 @@ services:
     environment:
       - FABRIC_CA_HOME=/etc/hyperledger/fabric-ca-server
       - FABRIC_CA_SERVER_TLS_ENABLED=true
+      #- FABRIC_CA_SERVER_TLS_ENABLED=false
 
   orderer-base:
     #image: yeasy/hyperledger-fabric-orderer:1.0.3
@@ -34,7 +35,7 @@ services:
       - ORDERER_GENERAL_LISTENPORT=7050
      #- ORDERER_RAMLEDGER_HISTORY_SIZE=100  #only useful when use ram ledger
       # enabled TLS
-      - ORDERER_GENERAL_TLS_ENABLED=true
+      #- ORDERER_GENERAL_TLS_ENABLED=true
       - ORDERER_GENERAL_TLS_PRIVATEKEY=/var/hyperledger/orderer/tls/server.key
       - ORDERER_GENERAL_TLS_CERTIFICATE=/var/hyperledger/orderer/tls/server.crt
       - ORDERER_GENERAL_TLS_ROOTCAS=[/var/hyperledger/orderer/tls/ca.crt]
@@ -54,7 +55,7 @@ services:
       - CORE_PEER_GOSSIP_USELEADERELECTION=true
       - CORE_PEER_GOSSIP_ORGLEADER=false  # this node is the group leader, default to false
       - CORE_PEER_PROFILE_ENABLED=false
-      - CORE_PEER_TLS_ENABLED=true
+      #- CORE_PEER_TLS_ENABLED=true
       - CORE_PEER_TLS_CERT_FILE=/etc/hyperledger/fabric/tls/server.crt
       - CORE_PEER_TLS_KEY_FILE=/etc/hyperledger/fabric/tls/server.key
       - CORE_PEER_TLS_ROOTCERT_FILE=/etc/hyperledger/fabric/tls/ca.crt
@@ -86,11 +87,11 @@ services:
       #- GOPATH=/opt/gopath
       - CORE_LOGGING_LEVEL=DEBUG
       - CORE_LOGGING_FORMAT=%{color}[%{id:03x} %{time:01-02 15:04:05.00 MST}] [%{longpkg}] %{callpath} -> %{level:.4s}%{color:reset} %{message}
-      - CORE_PEER_TLS_ENABLED=true  # to enable TLS, change to true
+      #- CORE_PEER_TLS_ENABLED=true  # to enable TLS, change to true
       - ORDERER_CA=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/example.com/orderers/orderer.example.com/msp/tlscacerts/tlsca.example.com-cert.pem
       - CHANNEL_NAME:="businesschannel"
     working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
-    command: bash -c 'cd /tmp; bash scripts/func.sh; while true; do sleep 20170504; done'
+    command: bash -c 'cd /tmp; source scripts/func.sh; while true; do sleep 20170504; done'
 
   couchdb-base:
     #container_name: couchdb0
diff --git a/hyperledger_fabric/latest/docker-compose-base-dev.yaml b/hyperledger_fabric/latest/docker-compose-base-dev.yaml
index c6399654..0a35ae9a 100644
--- a/hyperledger_fabric/latest/docker-compose-base-dev.yaml
+++ b/hyperledger_fabric/latest/docker-compose-base-dev.yaml
@@ -31,8 +31,8 @@ services:
       - ./kafka/channel-artifacts/orderer.genesis.block:/var/hyperledger/orderer/orderer.genesis.block
       - ./kafka/crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/msp:/var/hyperledger/orderer/msp
       - ./kafka/crypto-config/ordererOrganizations/example.com/orderers/orderer.example.com/tls/:/var/hyperledger/orderer/tls
-    command: bash -c 'bash /tmp/orderer_build.sh; orderer start' # use this if to debug orderer
-    #command: bash -c 'orderer start' # use this if to debug orderer
+    #command: bash -c 'bash /tmp/orderer_build.sh; orderer start' # use this if to debug orderer
+    command: bash -c 'orderer start' # use this if to debug orderer
 
   peer0.org1.example.com:
     extends:
@@ -61,6 +61,7 @@ services:
       - 7053:7053
     #command: bash -c 'bash /tmp/peer_build.sh; peer node start'
     command: bash -c 'peer node start'
+    #command: bash -c 'peer node start --peer-chaincodedev=true'  # DEV mode
 
   cli:
     extends:
diff --git a/hyperledger_fabric/latest/scripts/chaincode_example02 b/hyperledger_fabric/latest/scripts/chaincode_example02
new file mode 100644
index 00000000..6f4d0d84
Binary files /dev/null and b/hyperledger_fabric/latest/scripts/chaincode_example02 differ
diff --git a/hyperledger_fabric/latest/scripts/func.sh b/hyperledger_fabric/latest/scripts/func.sh
index 0b4c98f9..394e1fa6 100644
--- a/hyperledger_fabric/latest/scripts/func.sh
+++ b/hyperledger_fabric/latest/scripts/func.sh
@@ -235,6 +235,22 @@ chaincodeInstall () {
 	echo
 }
 
+# Start chaincode with dev mode
+chaincodeStartDev () {
+	PEER=$1
+	VERSION=$2
+	setGlobals $PEER
+	CORE_CHAINCODE_LOGLEVEL=debug \
+	CORE_PEER_ADDRESS=peer${PEER}.org1.example.com:7052 \
+	CORE_CHAINCODE_ID_NAME=mycc:${VERSION} \
+	nohup ./scripts/chaincode_example02 > chaincode_dev.log &
+	res=$?
+	cat log.txt
+	verifyResult $res "Chaincode start in dev mode has Failed"
+	echo_g "===================== Chaincode started in dev mode ===================== "
+	echo
+}
+
 # chaincodeUpgrade 0 1.1
 chaincodeUpgrade () {
 	PEER=$1
diff --git a/hyperledger_fabric/latest/scripts/init_chaincode_dev.sh b/hyperledger_fabric/latest/scripts/init_chaincode_dev.sh
new file mode 100644
index 00000000..632e2f06
--- /dev/null
+++ b/hyperledger_fabric/latest/scripts/init_chaincode_dev.sh
@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+
+# This script will build and start and test chaincode in DEV mode
+
+if [ -f ./func.sh ]; then
+ source ./func.sh
+elif [ -f scripts/func.sh ]; then
+ source scripts/func.sh
+fi
+
+echo
+echo " ============================================== "
+echo " ==========initialize businesschannel========== "
+echo " ============================================== "
+echo
+
+echo_b "Channel name : "$CHANNEL_NAME
+
+## Create channel
+echo_b "Creating channel..."
+channelCreate
+
+sleep 1
+
+## Join all the peers to the channel
+echo_b "Having peer0 join the channel..."
+channelJoin 0
+
+sleep 1
+
+## Set the anchor peers for each org in the channel
+#echo_b "Updating anchor peers for peer0/org1... no use for only single channel"
+#updateAnchorPeers 0
+
+# We suppose the binary is there, otherwise, run `go build` under the chaincode path
+chaincodeStartDev 0 1.0
+sleep 1
+
+## Install chaincode on all peers
+echo_b "Installing chaincode on peer0..."
+chaincodeInstall 0 1.0
+
+sleep 1
+
+# Instantiate chaincode on all peers
+# Instantiate can only be executed once on any node
+echo_b "Instantiating chaincode on the channel..."
+chaincodeInstantiate 0
+
+sleep 1
+
+echo
+echo_g "===================== All GOOD, initialization completed ===================== "
+echo
+
+echo
+echo " _____   _   _   ____  "
+echo "| ____| | \ | | |  _ \ "
+echo "|  _|   |  \| | | | | |"
+echo "| |___  | |\  | | |_| |"
+echo "|_____| |_| \_| |____/ "
+echo
+
+exit 0
+
+
+echo "Starting chaincode in dev mode..."
+cd $GOPATH/src/github.com/hyperledger/fabric/examples/chaincode/go/chaincode_example02
+go build
+CORE_CHAINCODE_LOGLEVEL=debug \
+CORE_PEER_ADDRESS=peer0.org1.example.com:7052 \
+CORE_CHAINCODE_ID_NAME=mycc:1.0 \
+./chaincode_example02 &
+
+echo "Install chaincode"
+CORE_PEER_ADDRESS=peer0.org1.example.com:7051 \
+peer chaincode install \
+-n mycc \
+-v 1.0 \
+-p github.com/hyperledger/fabric/examples/chaincode/go/chaincode_example02
+
+echo "Instantiate chaincode"
+CORE_PEER_ADDRESS=peer0.org1.example.com:7051 \
+peer chaincode instantiate \
+-n mycc \
+-v 1.0 \
+-c '{"Args":["init","a","100","b","200"]}' \
+-o orderer.example.com:7050 \
+-C businesschannel
+
+echo "Invoke chaincode..."
+CORE_PEER_ADDRESS=peer0.org1.example.com:7051 \
+peer chaincode invoke \
+-n mycc \
+-c '{"Args":["invoke","a","b","10"]}' \
+-o orderer.example.com:7050 \
+-C businesschannel
+
+echo "Query chaincode..."
+CORE_PEER_ADDRESS=peer0.org1.example.com:7051 \
+peer chaincode query \
+-n mycc \
+-c '{"Args":["query","a"]}' \
+-o orderer.example.com:7050 \
+-C businesschannel
diff --git a/hyperledger_fabric/latest/scripts/initialize_peer0.sh b/hyperledger_fabric/latest/scripts/initialize_peer0.sh
index 4d9a571c..72e6da3f 100644
--- a/hyperledger_fabric/latest/scripts/initialize_peer0.sh
+++ b/hyperledger_fabric/latest/scripts/initialize_peer0.sh
@@ -28,7 +28,7 @@ channelJoin 0
 sleep 1
 
 ## Set the anchor peers for each org in the channel
-echo_b "Updating anchor peers for peer0/org1..."
+echo_b "Updating anchor peers for peer0/org1... no use for only single channel"
 updateAnchorPeers 0
 
 sleep 1