diff --git a/stop-frontend.sh b/stop-frontend.sh
index 5ef7996..21721fc 100755
--- a/stop-frontend.sh
+++ b/stop-frontend.sh
@@ -22,8 +22,12 @@ _stop_fe() {
   if [[ -f "$pidfile" ]]; then
     local pid; pid=$(cat "$pidfile")
     if kill -0 "$pid" 2>/dev/null; then
-      # 杀掉整个进程组（覆盖 npm/pnpm/yarn 子进程）
-      kill -- -"$(ps -o pgid= -p "$pid" 2>/dev/null | tr -d ' ')" 2>/dev/null || kill "$pid" 2>/dev/null || true
+      # 只杀该前端的进程树，避免同一脚本启动的其它前端共享进程组时被误杀。
+      _kill_tree "$pid" TERM
+      sleep 1
+      if kill -0 "$pid" 2>/dev/null; then
+        _kill_tree "$pid" KILL
+      fi
       success "$name 已停止 (PID=$pid)"
     else
       warn "$name 进程不存在（可能已退出）"
@@ -34,6 +38,16 @@ _stop_fe() {
   fi
 }
 
+_kill_tree() {
+  local pid="$1" signal="${2:-TERM}"
+  local children child
+  children=$(pgrep -P "$pid" 2>/dev/null || true)
+  for child in $children; do
+    _kill_tree "$child" "$signal"
+  done
+  kill "-$signal" "$pid" 2>/dev/null || true
+}
+
 if [[ "$TARGET" == "all" ]]; then
   step "停止全部前端开发服务器"
   for proj in "${FE_PROJECTS[@]}"; do