diff --git a/release/install-release.sh b/release/install-release.sh
index 813b4b33b..1c317d125 100755
--- a/release/install-release.sh
+++ b/release/install-release.sh
@@ -205,14 +205,12 @@ startV2ray(){
 
 copyFile() {
     NAME=$1
-    MANDATE=$2
     ERROR=`cp "/tmp/v2ray/v2ray-${NEW_VER}-linux-${VDIS}/${NAME}" "/usr/bin/v2ray/${NAME}" 2>&1`
     if [[ $? -ne 0 ]]; then
         colorEcho ${YELLOW} "${ERROR}"
-        if [ "$MANDATE" = true ]; then
-            exit
-        fi
+        return 2
     fi
+    return 0
 }
 
 makeExecutable() {
@@ -222,12 +220,12 @@ makeExecutable() {
 installV2Ray(){
     # Install V2Ray binary to /usr/bin/v2ray
     mkdir -p /usr/bin/v2ray
-    copyFile v2ray true
+    copyFile v2ray || return $?
     makeExecutable v2ray
-    copyFile v2ctl false
+    copyFile v2ctl
     makeExecutable v2ctl
-    copyFile geoip.dat false
-    copyFile geosite.dat false
+    copyFile geoip.dat
+    copyFile geosite.dat
 
     # Install V2Ray server config to /etc/v2ray
     if [[ ! -f "/etc/v2ray/config.json" ]]; then
@@ -388,7 +386,7 @@ main(){
         V2RAY_RUNNING=1
         stopV2ray
     fi
-    installV2Ray
+    installV2Ray || return $?
     installInitScript
     if [[ ${V2RAY_RUNNING} -eq 1 ]];then
         colorEcho ${BLUE} "Restarting V2Ray service."