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4627a2268f
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master
| Author | SHA1 | Date | |
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| 9200df7842 | |||
| eb361fe77f |
@@ -16,6 +16,7 @@ load_dotenv()
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import sys
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from rag2_0.intent_recognition import AsyncIntentRecognizer
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from rag2_0.api.kefu_redirect_url import router as kefu_router
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# 确保日志目录存在
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os.makedirs('data/logs', exist_ok=True)
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@@ -84,6 +85,9 @@ app.add_middleware(
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allow_headers=["*"],
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)
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# 注册外部路由
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app.include_router(kefu_router)
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# 全局变量存储AsyncIntentRecognizer实例
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_instance = None
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@@ -0,0 +1,92 @@
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from fastapi import APIRouter
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from fastapi.responses import RedirectResponse
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import os
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import sqlite3
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import threading
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import time
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from queue import Queue, Full
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router = APIRouter()
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# 以当前文件为基准的相对路径:../../data/db
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PROJECT_ROOT = os.getcwd()
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DB_DIR = os.path.join(PROJECT_ROOT, "data", "db")
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DB_FILE = os.path.join(DB_DIR, "redirects.sqlite3")
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TABLE_SQL = (
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"CREATE TABLE IF NOT EXISTS redirects ("
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" msg_id TEXT PRIMARY KEY,"
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" url TEXT NOT NULL"
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")"
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)
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def _ensure_db():
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"""确保数据库与表存在。"""
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os.makedirs(DB_DIR, exist_ok=True)
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with sqlite3.connect(DB_FILE) as conn:
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cur = conn.cursor()
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cur.execute(TABLE_SQL)
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conn.commit()
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def save_redirect(msg_id: str, url: str) -> None:
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"""将 msg_id 与 url 写入 SQLite,若已存在则忽略。
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使用 INSERT OR IGNORE 结合 PRIMARY KEY(msg_id) 来避免重复写入。
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"""
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_ensure_db()
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with sqlite3.connect(DB_FILE) as conn:
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cur = conn.cursor()
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cur.execute(
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"INSERT OR IGNORE INTO redirects (msg_id, url) VALUES (?, ?)",
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(msg_id, url),
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)
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conn.commit()
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# ========= 异步写库队列与后台线程 =========
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_write_queue: "Queue[tuple[str, str]]" = Queue(maxsize=10000)
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def _write_worker():
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_ensure_db()
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while True:
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try:
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msg_id, url = _write_queue.get()
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try:
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with sqlite3.connect(DB_FILE) as conn:
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cur = conn.cursor()
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cur.execute(
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"INSERT OR IGNORE INTO redirects (msg_id, url) VALUES (?, ?)",
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(msg_id, url),
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)
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conn.commit()
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except Exception:
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# 失败忽略,避免阻断工作线程
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pass
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finally:
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_write_queue.task_done()
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except Exception:
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# 防御性 sleep,避免异常导致CPU空转
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time.sleep(0.1)
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_worker_thread = threading.Thread(target=_write_worker, daemon=True)
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_worker_thread.start()
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@router.get("/kefu_login", summary="客服登录页重定向")
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async def kefu_redirect(msg_id:str):
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"""重定向到客服登录页。"""
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target_url = "https://www.booway.com.cn/kefu/toLoginPage"
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# 写入 SQLite:若 msg_id 已存在将不会重复写入
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try:
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if msg_id:
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# 走异步队列
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_write_queue.put_nowait((msg_id, target_url))
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except Exception:
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# 出于稳健性考虑,即使写库失败也不影响重定向
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pass
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return RedirectResponse(target_url, status_code=302)
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Executable
+111
@@ -0,0 +1,111 @@
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#!/usr/bin/env bash
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# 专用脚本:启动 rag2_0.api.intent_recognition_api 服务
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# 功能:启动前检测screen是否存在,存在则结束,最后启动服务
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SESSION_NAME="intent_recognition_api"
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SERVICE_PORT="8001"
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START_COMMAND="cd \"$SCRIPT_DIR\" && uv run uvicorn rag2_0.api.intent_recognition_api:app --host 0.0.0.0 --port 8001 --workers 4"
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echo "[脚本] 启动 intent_recognition_api 服务..."
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# 检查screen会话是否存在
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exists_session() {
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# 使用严格匹配,避免误判
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if screen -ls 2>/dev/null | grep -q "\\.${SESSION_NAME}\\s"; then
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return 0
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fi
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return 1
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}
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# 按端口获取监听该端口的任意一个PID,优先用 ss,其次 lsof
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pids_on_port() {
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# 从 ss 提取 pid 列表
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local ss_pids
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ss_pids=$(ss -lptn 2>/dev/null \
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| grep -E ":${SERVICE_PORT}\\b" \
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| awk '{print $NF}' \
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| sed -n 's/.*pid=\([0-9]\+\),.*/\1/p' \
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| sort -u)
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if [[ -n "$ss_pids" ]]; then
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echo "$ss_pids"
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return 0
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fi
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# 从 lsof 提取 pid 列表
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if command -v lsof >/dev/null 2>&1; then
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local lsof_pids
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lsof_pids=$(lsof -nP -i :"$SERVICE_PORT" -sTCP:LISTEN -t 2>/dev/null | sort -u)
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if [[ -n "$lsof_pids" ]]; then
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echo "$lsof_pids"
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return 0
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fi
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fi
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return 1
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}
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# 根据端口优雅终止(TERM)并在必要时强制(KILL)清理进程
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kill_by_port() {
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local pids
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pids=$(pids_on_port || true)
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if [[ -z "$pids" ]]; then
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return 0
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fi
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echo "[清理] 端口 $SERVICE_PORT 仍被占用,发送 SIGTERM 到: $pids"
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kill -TERM $pids 2>/dev/null || true
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sleep 2
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# 再次检查
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local left
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left=$(pids_on_port || true)
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if [[ -n "$left" ]]; then
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echo "[强制] 端口 $SERVICE_PORT 仍占用,发送 SIGKILL 到: $left"
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kill -KILL $left 2>/dev/null || true
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fi
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}
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# 停止已存在的服务
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stop_existing_service() {
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# 1) 先尝试关闭 screen 会话
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if exists_session "$SESSION_NAME"; then
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echo "[停止] 发现已存在的 screen 会话 '$SESSION_NAME',正在结束..."
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screen -S "$SESSION_NAME" -X quit || true
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echo "[停止] screen 会话 '$SESSION_NAME' 已结束"
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else
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echo "[提示] 未发现 screen 会话: $SESSION_NAME"
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fi
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# 2) 等待释放端口
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sleep 2
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# 3) 如果仍占用,按端口清理
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if ss -lptn 2>/dev/null | grep -E -q ":${SERVICE_PORT}\\b" || (command -v lsof >/dev/null 2>&1 && lsof -i :"$SERVICE_PORT" -sTCP:LISTEN >/dev/null 2>&1); then
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echo "[清理] 端口 $SERVICE_PORT 仍被占用,正在清理..."
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kill_by_port
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echo "[清理] 端口 $SERVICE_PORT 清理完成"
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fi
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}
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# 启动服务
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start_new_service() {
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echo "[启动] 准备启动 intent_recognition_api 服务..."
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echo "[启动] 启动命令: $START_COMMAND"
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screen -dmS "$SESSION_NAME" bash -c "$START_COMMAND"
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echo "[启动] intent_recognition_api 服务已启动,screen 会话名: '$SESSION_NAME'"
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echo "[启动] 服务运行在端口: $SERVICE_PORT"
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echo "[提示] 可使用 'screen -r $SESSION_NAME' 查看服务输出"
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}
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# 主流程
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main() {
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# 1. 停止已存在的服务
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stop_existing_service
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# 2. 启动新服务
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start_new_service
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echo "[完成] intent_recognition_api 服务启动脚本执行完成"
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}
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main
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