Update app.py

app.py

@@ -23,23 +23,21 @@ app.add_middleware(
 
 # ---------------------- 关键修复：Redis连接池 + 依赖注入 ----------------------
 def create_redis_pool() -> ConnectionPool:
-    """创建Redis连接池（替代全局客户端，避免析构问题）"""
     try:
         pool = ConnectionPool(
-            host=os.getenv("REDIS_HOST"),
-            port=int(os.getenv("REDIS_PORT", 6379)),
-            password=os.getenv("REDIS_PASSWORD"),
+            host=os.getenv("REDIS_HOST"),  # 填 Upstash 的 Host（xxx.upstash.io）
+            port=int(os.getenv("REDIS_PORT", 6380)),  # 固定填 6380（加密端口）
+            password=os.getenv("REDIS_PASSWORD"),  # 填 Upstash 的实例密码
             decode_responses=True,
+            ssl=True,  # 必须开启 SSL，Upstash 强制加密连接
             socket_timeout=5,
-            retry_on_timeout=True,
-            max_connections=10  # 限制连接数，避免资源泄漏
+            retry_on_timeout=True
         )
-        # 验证连接池可用性
         with redis.Redis(connection_pool=pool) as client:
-            client.ping()
+            client.ping()  # 验证连接
         return pool
     except Exception as e:
-        raise RuntimeError(f"Redis connection pool failed: {str(e)}")
+        raise RuntimeError(f"Redis connection failed: {str(e)}")
 
 # 初始化连接池（全局仅创建一次）
 redis_pool = create_redis_pool()