Release v1.3.1 reliability improvements

.env.example

@@ -1,4 +1,4 @@
-# Crypto ATR Signal v1.3.0
+# Crypto ATR Signal v1.3.1
 # 复制为 .env 后按需修改。true=开启，false=关闭。
 # 扫描脚本每次启动都会读取最新配置；网页配置修改后需要重启 FastAPI。
 
@@ -16,7 +16,8 @@ CRYPTO_MIN_BODY_RATIO=0.5
 # TradFi 参数与 Crypto 完全独立
 TRADFI_ATR_LENGTH=14
 TRADFI_ATR_MULTIPLE=1.5
-TRADFI_BODY_RATIO_FILTER_ENABLED=false
+# TradFi 默认过滤长影线和弱实体信号
+TRADFI_BODY_RATIO_FILTER_ENABLED=true
 TRADFI_MIN_BODY_RATIO=0.5
 
 # ==================== Discord 聚合推送 ====================
@@ -50,6 +51,12 @@ HTTP_TIMEOUT=20
 MAX_RETRIES=3
 # Binance 返回 429/418 时的基础等待秒数
 RATE_LIMIT_BACKOFF=30
+# 扫描进程锁文件；同一时间只允许一轮扫描运行
+SCAN_LOCK_PATH=data/scanner.lock
+
+# ==================== 健康检查 ====================
+# 距离最近成功扫描超过此小时数时，/health 返回 HTTP 503
+HEALTH_MAX_SCAN_AGE_HOURS=8
 
 # ==================== 数据存储 ====================
 # 每个市场、每个品种最多保留的 K 线数量

.gitignore

@@ -13,6 +13,8 @@ __pycache__/
 data/*.db
 data/*.db-*
 data/*.pid
+data/*.lock
+backups/
 *.log
 
 # Local development artifacts

CHANGELOG.md

@@ -1,5 +1,18 @@
 # Changelog
 
+## v1.3.1 - 2026-06-23
+
+### Added
+
+- 新增跨平台扫描进程锁，避免 Cron 重复运行造成并发请求和重复写库。
+- 新增 `/health` 健康检查，报告数据库、最近扫描、失败品种和当前信号数量。
+- README 增加 Nginx、健康监控、备份恢复、安全权限和故障排查说明。
+
+### Changed
+
+- Discord 汇总改为统计最新已收盘 K 线的当前信号总数，重复运行不会错误显示为 0。
+- TradFi 新部署默认启用实体占比 `0.5` 过滤；`.env` 中的明确配置仍优先。
+
 ## v1.3.0 - 2026-06-22
 
 ### Added

README.md

@@ -1,6 +1,6 @@
 # Crypto ATR Signal
 
-Version: `v1.3.0`
+Version: `v1.3.1`
 
 扫描 Binance Futures 交易对，在 4 小时周期识别已收盘 K 线的大阳 / 大阴信号，并通过 FastAPI 网页展示。
 
@@ -40,6 +40,13 @@ Version: `v1.3.0`
 - 页面增加“全部”视图，支持按市场分组或合并排序。
 - 页面默认视图、市场入口、分组和版本信息可通过 `.env` 控制。
 
+## v1.3.1 变化
+
+- Discord 汇总使用当前最新 K 线信号总数，重复扫描不会误报为 0。
+- 增加扫描进程锁，避免 Cron 任务重叠。
+- 增加 `/health` 健康检查接口。
+- TradFi 新部署默认启用实体占比 `0.5` 过滤。
+
 ## 项目结构
 
 ```text
@@ -92,6 +99,7 @@ cd /www/wwwroot/crypto-atr-signal
 python3 -m venv .venv
 .venv/bin/pip install -r requirements.txt
 cp .env.example .env
+chmod 600 .env
 ```
 
 ## 配置
@@ -104,7 +112,7 @@ CRYPTO_MIN_BODY_RATIO=0.5
 
 TRADFI_ATR_LENGTH=14
 TRADFI_ATR_MULTIPLE=1.5
-TRADFI_BODY_RATIO_FILTER_ENABLED=false
+TRADFI_BODY_RATIO_FILTER_ENABLED=true
 TRADFI_MIN_BODY_RATIO=0.5
 
 DISCORD_ENABLED=false
@@ -117,6 +125,9 @@ PAGE_SHOW_TRADFI=true
 PAGE_GROUP_BY_MARKET=true
 PAGE_SHOW_VERSION=true
 
+SCAN_LOCK_PATH=data/scanner.lock
+HEALTH_MAX_SCAN_AGE_HOURS=8
+
 INIT_KLINES_LIMIT=40
 CONCURRENCY=10
 MAX_RETRIES=3
@@ -207,6 +218,77 @@ sudo systemctl start crypto-atr-signal
 sudo systemctl status crypto-atr-signal
 ```
 
+## Nginx 反向代理
+
+FastAPI 只监听 `127.0.0.1:8000`，公网访问交给 Nginx：
+
+```nginx
+server {
+    listen 80;
+    server_name signal.example.com;
+
+    location / {
+        proxy_pass http://127.0.0.1:8000;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}
+```
+
+修改域名后执行：
+
+```bash
+sudo nginx -t
+sudo systemctl reload nginx
+```
+
+生产环境建议为域名配置 HTTPS；如果页面只供客户使用，可在 Nginx 增加访问认证。
+
+## 健康检查
+
+```bash
+curl http://127.0.0.1:8000/health
+```
+
+数据库正常、Crypto 与 TradFi 最近一次扫描成功且未超过 `HEALTH_MAX_SCAN_AGE_HOURS` 时返回 HTTP `200`。数据库异常、扫描失败或超时未运行时返回 HTTP `503`，可直接接入宝塔或 Uptime Kuma。
+
+## 数据库备份与恢复
+
+使用 SQLite 自带的在线备份命令，不需要停止网页服务：
+
+```bash
+cd /www/wwwroot/crypto-atr-signal
+mkdir -p backups
+sqlite3 data/app.db ".backup 'backups/app-$(date +%F-%H%M).db'"
+```
+
+恢复前先停止网页服务，并确保扫描任务没有运行：
+
+```bash
+sudo systemctl stop crypto-atr-signal
+cp backups/app-YYYY-MM-DD-HHMM.db data/app.db
+sudo systemctl start crypto-atr-signal
+```
+
+## 常见故障排查
+
+```bash
+# 查看网页服务状态和最近日志
+sudo systemctl status crypto-atr-signal
+sudo journalctl -u crypto-atr-signal -n 100 --no-pager
+
+# 手动执行一轮聚合扫描
+cd /www/wwwroot/crypto-atr-signal
+.venv/bin/python scanner.py --market all
+
+# 检查网页和数据库健康状态
+curl -i http://127.0.0.1:8000/health
+```
+
+如果日志出现 `another scanner process is already running`，说明上一轮尚未结束，本轮已被进程锁安全跳过，无需手动删除锁文件。
+
 ## 页面功能
 
 - Crypto / TradFi 市场切换
@@ -238,7 +320,7 @@ PRAGMA journal_mode = WAL;
 
 - FastAPI 常驻
 - SQLite
-- cron 每 4 小时分别扫描 Crypto 和 TradFi
+- cron 每 4 小时聚合扫描 Crypto 和 TradFi
 - Nginx 反向代理
 
 建议：

VERSION

@@ -1 +1 @@
-v1.3.0
+v1.3.1

requirements.txt

@@ -4,3 +4,4 @@ jinja2==3.1.4
 uvicorn[standard]==0.30.1
 tzdata==2025.2
 python-dotenv==1.2.2
+filelock==3.20.3

scanner.py

@@ -12,6 +12,7 @@ from typing import Any
 from zoneinfo import ZoneInfo
 
 import aiohttp
+from filelock import FileLock, Timeout as FileLockTimeout
 from dotenv import load_dotenv
 
 
@@ -39,13 +40,14 @@ CRYPTO_BODY_RATIO_FILTER_ENABLED = (
 )
 CRYPTO_MIN_BODY_RATIO = Decimal(os.getenv("CRYPTO_MIN_BODY_RATIO", str(MIN_BODY_RATIO)))
 TRADFI_BODY_RATIO_FILTER_ENABLED = (
-    os.getenv("TRADFI_BODY_RATIO_FILTER_ENABLED", str(BODY_RATIO_FILTER_ENABLED)).lower() == "true"
+    os.getenv("TRADFI_BODY_RATIO_FILTER_ENABLED", "true").lower() == "true"
 )
 TRADFI_MIN_BODY_RATIO = Decimal(os.getenv("TRADFI_MIN_BODY_RATIO", str(MIN_BODY_RATIO)))
 KLINES_RETENTION_PER_SYMBOL = int(os.getenv("KLINES_RETENTION_PER_SYMBOL", "500"))
 SIGNAL_RETENTION_DAYS = int(os.getenv("SIGNAL_RETENTION_DAYS", "90"))
 DISCORD_ENABLED = os.getenv("DISCORD_ENABLED", "false").lower() == "true"
 DISCORD_WEBHOOK_URL = os.getenv("DISCORD_WEBHOOK_URL", "").strip()
+SCAN_LOCK_PATH = Path(os.getenv("SCAN_LOCK_PATH", "data/scanner.lock"))
 
 MARKET_CRYPTO = "CRYPTO"
 MARKET_TRADFI = "TRADFI"
@@ -71,6 +73,7 @@ class ScanResult:
     symbols_failed: int
     updated_klines: int
     signals_created: int
+    current_signals: int
     elapsed_seconds: float
     error_summary: str | None = None
 
@@ -652,6 +655,21 @@ def insert_scan_run(
     conn.commit()
 
 
+def count_current_signals(conn: sqlite3.Connection, market_type: str) -> int:
+    row = conn.execute(
+        """
+        SELECT COUNT(*) AS count
+        FROM signals
+        WHERE market_type = ?
+          AND open_time = (
+              SELECT MAX(open_time) FROM klines WHERE market_type = ?
+          )
+        """,
+        (market_type, market_type),
+    ).fetchone()
+    return int(row["count"]) if row else 0
+
+
 async def fetch_missing_closed_klines(
     session: aiohttp.ClientSession,
     symbol: str,
@@ -860,6 +878,7 @@ async def run_scan(market_type: str = MARKET_CRYPTO) -> ScanResult:
         elapsed_seconds=elapsed,
         latest_target_open_time=expected_open_time,
     )
+    current_signals = count_current_signals(conn, market_type)
     conn.close()
     speed = len(symbols) / elapsed if elapsed > 0 else 0
     logger.info(
@@ -891,6 +910,7 @@ async def run_scan(market_type: str = MARKET_CRYPTO) -> ScanResult:
         symbols_failed=failures,
         updated_klines=updated,
         signals_created=signals,
+        current_signals=current_signals,
         elapsed_seconds=elapsed,
     )
 
@@ -909,12 +929,12 @@ async def send_discord_summary(results: list[ScanResult], elapsed_seconds: float
         market_name = "Crypto" if result.market_type == MARKET_CRYPTO else "TradFi"
         status = status_labels.get(result.status, result.status)
         lines.append(
-            f"{market_name}：{result.signals_created} 个信号 · {status} · "
+            f"{market_name}：{result.current_signals} 个信号 · {status} · "
             f"失败 {result.symbols_failed}"
         )
     lines.extend(
         [
-            f"合计：{sum(result.signals_created for result in results)} 个信号",
+            f"合计：{sum(result.current_signals for result in results)} 个信号",
             f"耗时：{elapsed_seconds:.1f} 秒",
             f"时间：{madrid_time.strftime('%Y-%m-%d %H:%M')} 马德里",
         ]
@@ -955,6 +975,7 @@ async def run_all_markets() -> list[ScanResult]:
                     symbols_failed=0,
                     updated_klines=0,
                     signals_created=0,
+                    current_signals=0,
                     elapsed_seconds=0,
                     error_summary=str(exc),
                 )
@@ -963,6 +984,20 @@ async def run_all_markets() -> list[ScanResult]:
     return results
 
 
+def run_cli(selected: str) -> None:
+    SCAN_LOCK_PATH.parent.mkdir(parents=True, exist_ok=True)
+    lock = FileLock(str(SCAN_LOCK_PATH))
+    try:
+        with lock.acquire(timeout=0):
+            if selected == "all":
+                asyncio.run(run_all_markets())
+            else:
+                market_type = MARKET_TRADFI if selected == "tradfi" else MARKET_CRYPTO
+                asyncio.run(run_scan(market_type))
+    except FileLockTimeout:
+        logger.warning("Scan skipped: another scanner process is already running")
+
+
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="Scan Binance ATR signals")
     parser.add_argument(
@@ -972,8 +1007,4 @@ if __name__ == "__main__":
         help="Market to scan: crypto, tradfi, or all",
     )
     args = parser.parse_args()
-    if args.market == "all":
-        asyncio.run(run_all_markets())
-    else:
-        selected_market = MARKET_TRADFI if args.market == "tradfi" else MARKET_CRYPTO
-        asyncio.run(run_scan(selected_market))
+    run_cli(args.market)

webapp.py

@@ -4,7 +4,7 @@ from urllib.parse import quote
 from zoneinfo import ZoneInfo
 
 from fastapi import FastAPI, Request
-from fastapi.responses import HTMLResponse
+from fastapi.responses import HTMLResponse, JSONResponse
 from fastapi.templating import Jinja2Templates
 
 from scanner import (
@@ -13,6 +13,7 @@ from scanner import (
     MARKET_CONFIGS,
     MARKET_CRYPTO,
     MARKET_TRADFI,
+    count_current_signals,
     db_connect,
     init_db,
 )
@@ -21,8 +22,8 @@ from scanner import (
 app = FastAPI(title="Crypto ATR Signal")
 templates = Jinja2Templates(directory="templates")
 MADRID_TZ = ZoneInfo("Europe/Madrid")
-APP_VERSION = "v1.3.0"
-APP_RELEASE_DATE = "2026-06-22"
+APP_VERSION = "v1.3.1"
+APP_RELEASE_DATE = "2026-06-23"
 APP_AUTHOR = "Z"
 
 
@@ -36,6 +37,7 @@ PAGE_SHOW_CRYPTO = env_bool("PAGE_SHOW_CRYPTO", True)
 PAGE_SHOW_TRADFI = env_bool("PAGE_SHOW_TRADFI", True)
 PAGE_GROUP_BY_MARKET = env_bool("PAGE_GROUP_BY_MARKET", True)
 PAGE_SHOW_VERSION = env_bool("PAGE_SHOW_VERSION", True)
+HEALTH_MAX_SCAN_AGE_HOURS = float(os.getenv("HEALTH_MAX_SCAN_AGE_HOURS", "8"))
 
 
 def fmt_decimal(value: str | None, places: int = 6) -> str:
@@ -104,6 +106,75 @@ def startup() -> None:
     conn.close()
 
 
+@app.get("/health", response_class=JSONResponse)
+def health() -> JSONResponse:
+    checked_at = datetime.now(timezone.utc)
+    payload = {
+        "status": "ok",
+        "version": APP_VERSION,
+        "checked_at": checked_at.isoformat(),
+        "database": "ok",
+        "markets": {},
+    }
+    healthy = True
+    conn = None
+    try:
+        conn = db_connect(DB_PATH)
+        integrity = conn.execute("PRAGMA quick_check;").fetchone()[0]
+        if integrity != "ok":
+            payload["database"] = integrity
+            healthy = False
+
+        for market_type, slug in ((MARKET_CRYPTO, "crypto"), (MARKET_TRADFI, "tradfi")):
+            latest_run = conn.execute(
+                """
+                SELECT status, finished_at, symbols_failed, error_summary
+                FROM scan_runs
+                WHERE market_type = ?
+                ORDER BY finished_at DESC
+                LIMIT 1
+                """,
+                (market_type,),
+            ).fetchone()
+            if latest_run:
+                finished_at = datetime.fromisoformat(latest_run["finished_at"])
+                age_hours = max(0.0, (checked_at - finished_at).total_seconds() / 3600)
+                market_healthy = (
+                    latest_run["status"] == "success"
+                    and age_hours <= HEALTH_MAX_SCAN_AGE_HOURS
+                )
+                payload["markets"][slug] = {
+                    "status": latest_run["status"],
+                    "last_scan_at": finished_at.isoformat(),
+                    "age_hours": round(age_hours, 2),
+                    "failed_symbols": latest_run["symbols_failed"],
+                    "current_signals": count_current_signals(conn, market_type),
+                    "error": latest_run["error_summary"],
+                }
+            else:
+                market_healthy = False
+                payload["markets"][slug] = {
+                    "status": "unavailable",
+                    "last_scan_at": None,
+                    "age_hours": None,
+                    "failed_symbols": None,
+                    "current_signals": count_current_signals(conn, market_type),
+                    "error": "no scan history",
+                }
+            healthy = healthy and market_healthy
+    except Exception as exc:  # noqa: BLE001 - health endpoint must report failures as JSON.
+        healthy = False
+        payload["database"] = "error"
+        payload["error"] = str(exc)
+    finally:
+        if conn is not None:
+            conn.close()
+
+    if not healthy:
+        payload["status"] = "degraded"
+    return JSONResponse(payload, status_code=200 if healthy else 503)
+
+
 def load_market_view(
     conn, market_type: str, sort_sql: str
 ) -> dict: