diff --git a/release/install-release.sh b/release/install-release.sh
index 0c0c71f4..22c76d77 100755
--- a/release/install-release.sh
+++ b/release/install-release.sh
@@ -206,7 +206,7 @@ startV2ray(){
 copyFile() {
     NAME=$1
     MANDATE=$2
-    ERROR=`cp "/tmp/v2ray/v2ray-${NEW_VER}-linux-${VDIS}/${NAME}" "/usr/bin/v2ray/${NAME}"`
+    ERROR=`cp "/tmp/v2ray/v2ray-${NEW_VER}-linux-${VDIS}/${NAME}" "/usr/bin/v2ray/${NAME}" 2>&1`
     if [[ $? -ne 0 ]]; then
         colorEcho ${YELLOW} "${ERROR}"
         if [ "$MANDATE" = true ]; then