fix: 修复前端访问错误

start.sh

@@ -18,8 +18,24 @@ else
   echo "==> AI 配置来自 .env.example（请填写 QWEN_API_KEY；亦可复制为 .env 再填写）"
 fi
 
-echo "==> 健康检查（端口与 docker-compose.yml 一致：后端 8866，前端 Nginx 8173）"
-echo "backend: $(curl -sf http://localhost:8866/health || echo 'unreachable')"
-echo "frontend (nginx): $(curl -sf http://localhost:8173/health || echo 'unreachable')"
+wait_http() {
+  local url=$1
+  local label=$2
+  local i=0
+  while [[ $i -lt 45 ]]; do
+    if curl -sf "$url" >/dev/null 2>&1; then
+      echo "${label}: ok"
+      return 0
+    fi
+    sleep 1
+    i=$((i + 1))
+  done
+  echo "${label}: unreachable（请确认容器已就绪，或执行: curl -v ${url}）"
+  return 1
+}
+
+echo "==> 健康检查（后端 8866，前端 Nginx 8173；最多等待约 45s）"
+wait_http "http://localhost:8866/health" "backend" || true
+wait_http "http://localhost:8173/health" "frontend (nginx)" || true
 
 echo "==> 启动完成"