modify: 性能优化

test_mqtt_auth.py

@@ -10,7 +10,7 @@ MQTT Broker 认证集成测试
   C. MQTTBridge 客户端凭据传递（含特殊字符密码的 URI 编码）
 """
 import asyncio
-import json
+import orjson
 import multiprocessing
 import socket
 import sys
@@ -143,7 +143,7 @@ async def scenario_bridge(port: int):
         assert m.topic == "chongming/demo/op", f"未收到请求: {m.topic}"
         m2 = await asyncio.wait_for(sub.deliver_message(), timeout=10)
         assert m2.topic == "chongming/demo/op/response", f"未收到响应: {m2.topic}"
-        assert json.loads(m2.data) == {"ok": True}, f"响应内容异常: {m2.data}"
+        assert orjson.loads(m2.data) == {"ok": True}, f"响应内容异常: {m2.data}"
         await bridge.stop()
         await pub.disconnect()
         print("PASS [C] MQTTBridge 凭据传递: 连接/路由/响应链路正常（含特殊字符密码）")