diff --git a/install-release.sh b/install-release.sh
index 0313525..2164215 100644
--- a/install-release.sh
+++ b/install-release.sh
@@ -243,11 +243,17 @@ get_version() {
   fi
   # Get V2Ray release version number
   TMP_FILE="$(mktemp)"
-  if ! curl -x "${PROXY}" -sS -H "Accept: application/vnd.github.v3+json" -o "$TMP_FILE" 'https://api.github.com/repos/v2fly/v2ray-core/releases/latest'; then
+  if ! curl -x "${PROXY}" -sS -i -H "Accept: application/vnd.github.v3+json" -o "$TMP_FILE" 'https://api.github.com/repos/v2fly/v2ray-core/releases/latest'; then
     "rm" "$TMP_FILE"
     echo 'error: Failed to get release list, please check your network.'
     exit 1
   fi
+  HTTP_STATUS_CODE=$(awk 'NR==1 {print $2}' "$TMP_FILE")
+  if [[ $HTTP_STATUS_CODE -lt 200 ]] || [[ $HTTP_STATUS_CODE -gt 299 ]]; then
+    "rm" "$TMP_FILE"
+    echo "error: Failed to get release list, GitHub API response code: $HTTP_STATUS_CODE"
+    exit 1
+  fi
   RELEASE_LATEST="$(sed 'y/,/\n/' "$TMP_FILE" | grep 'tag_name' | awk -F '"' '{print $4}')"
   "rm" "$TMP_FILE"
   RELEASE_VERSION="v${RELEASE_LATEST#v}"