diff --git a/app/arbiter/arbiter/arbiter.go b/app/arbiter/arbiter/arbiter.go
index d6743b6..41fe252 100644
--- a/app/arbiter/arbiter/arbiter.go
+++ b/app/arbiter/arbiter/arbiter.go
@@ -248,7 +248,7 @@ func (v *Arbiter) processArbiterSig() {
 			}
 
 			// get preOutput by tx.Inputs(idx)
-			idx := 1 - arbiterFeeVoutIndex
+			idx := 0
 			input := tx.TxIn[idx]
 			g.Log().Info(v.ctx, "input.PreviousOutPoint.Hash", input.PreviousOutPoint.Hash.String())
 			preTx, err := v.mempoolAPI.GetRawTransaction(input.PreviousOutPoint.Hash.String())
diff --git a/docker/docker_run_arbiter_signer.sh b/docker/docker_run_arbiter_signer.sh
index a8c922f..6b7aca8 100644
--- a/docker/docker_run_arbiter_signer.sh
+++ b/docker/docker_run_arbiter_signer.sh
@@ -3,10 +3,12 @@ read -p "please input Arbiter address: " arbiter_address
 read -p "please input Arbiter btc private key: " arbiter_btc_private_key
 read -p "please input Arbiter esc private key: " arbiter_esc_private_key
 read -p "please set keystore password: " keystore_password
+read -p "for staging? true/false: " staging
 
 docker run -d \
     -e ARBITER_BTC_PRIVATE_KEY="$arbiter_btc_private_key" \
     -e ARBITER_ESC_PRIVATE_KEY="$arbiter_esc_private_key" \
     -e ARBITER_ADDRESS="$arbiter_address" \
     -e ARBITER_KEYPASS="$keystore_password" \
-    mollkeith/arbiter-signer:v0.0.2
\ No newline at end of file
+    -e STAGING="$staging" \
+    mollkeith/arbiter-signer:v0.0.3
\ No newline at end of file
diff --git a/docker/dockerfile b/docker/dockerfile
index c5f55dd..cb69b7c 100644
--- a/docker/dockerfile
+++ b/docker/dockerfile
@@ -6,4 +6,5 @@ RUN wget https://download.bel2.org/loan-arbiter/deploy_loan_arbiter.sh
 RUN chmod a+x deploy_loan_arbiter.sh
 RUN echo $ARBITER_ADDRESS  
 RUN echo $ARBITER_KEYPASS
-ENTRYPOINT ["/bin/bash", "-c", "./deploy_loan_arbiter.sh \"$ARBITER_ADDRESS\" \"$ARBITER_BTC_PRIVATE_KEY\" \"$ARBITER_ESC_PRIVATE_KEY\" \"$ARBITER_KEYPASS\"; tail -f /dev/null"]
+RUN echo $STAGING
+ENTRYPOINT ["/bin/bash", "-c", "./deploy_loan_arbiter.sh \"$ARBITER_ADDRESS\" \"$ARBITER_BTC_PRIVATE_KEY\" \"$ARBITER_ESC_PRIVATE_KEY\" \"$ARBITER_KEYPASS\" \"$STAGING\"; tail -f /dev/null"]
diff --git a/docs/deploy_loan_arbiter.sh b/docs/deploy_loan_arbiter.sh
index c589ae2..3310ed2 100644
--- a/docs/deploy_loan_arbiter.sh
+++ b/docs/deploy_loan_arbiter.sh
@@ -64,7 +64,7 @@ check_status()
 deploy_arbiter()
 {
 	echo_info $SCRIPT_PATH
-  if [ $# -ne 4 ]; then
+  if [ $# -lt 4 ]; then
         echo "Need to use deploy_loan_arbiter.sh [your_arbiter_esc_address] [hex_encoded_btc_private_key] [hex_encoded_esc_private_key] [your_keystore_password]"
         exit 1
   fi
@@ -76,7 +76,11 @@ deploy_arbiter()
 	cd $SCRIPT_PATH
 
 	#prepare config.yaml
-	wget -O conf.tgz https://download.bel2.org/loan-arbiter/loan-arbiter-v0.0.1/conf.tgz
+if [ "$5" == "true" ]; then
+    wget -O conf.tgz https://download.bel2.org/loan-arbiter/loan-arbiter-v0.0.1/conf_staging.tgz
+else
+    wget -O conf.tgz https://download.bel2.org/loan-arbiter/loan-arbiter-v0.0.1/conf_prod.tgz
+fi
 	tar xf conf.tgz
 	#mv conf/config.yaml .
   sed -i "s/0x0262aB0ED65373cC855C34529fDdeAa0e686D913/$1/g" config.yaml
@@ -123,4 +127,4 @@ deploy_arbiter()
 }
 
 SCRIPT_PATH=~/loan_arbiter
-deploy_arbiter $1 $2 $3 $4
+deploy_arbiter $1 $2 $3 $4 $5