diff --git a/scripts/publish-gitea-release.sh b/scripts/publish-gitea-release.sh
index fde3288..27e95e7 100755
--- a/scripts/publish-gitea-release.sh
+++ b/scripts/publish-gitea-release.sh
@@ -110,8 +110,18 @@ require_cmd() {
   command -v "$1" >/dev/null 2>&1 || fail "缺少命令：$1"
 }
 
+detect_python() {
+  if command -v python3 >/dev/null 2>&1; then
+    echo "python3"
+  elif command -v python >/dev/null 2>&1; then
+    echo "python"
+  else
+    return 1
+  fi
+}
+
 json_escape() {
-  python -c 'import json,sys; print(json.dumps(sys.stdin.read()))'
+  "$PYTHON_BIN" -c 'import json,sys; print(json.dumps(sys.stdin.read()))'
 }
 
 api_url() {
@@ -131,7 +141,7 @@ api_post_json() {
 }
 
 release_id_from_json() {
-  python -c 'import json,sys; print(json.load(sys.stdin)["id"])'
+  "$PYTHON_BIN" -c 'import json,sys; print(json.load(sys.stdin)["id"])'
 }
 
 [[ -n "$TAG" ]] || fail "必须指定 --tag"
@@ -141,7 +151,7 @@ release_id_from_json() {
 
 require_cmd curl
 require_cmd git
-require_cmd python
+PYTHON_BIN="$(detect_python)" || fail "缺少命令：python 或 python3"
 
 for package in "${PACKAGES[@]}"; do
   [[ -f "$package" ]] || fail "发布包不存在：$package"