优化http服务器和客户端内存占用

src/Http/HttpClient.cpp

@@ -186,7 +186,7 @@ int64_t HttpClient::onRecvHeader(const char *data, uint64_t len) {
     //所以返回-1代表我们接下来分段接收content
     _recvedBodySize = 0;
     //根据_totalBodySize设置接收缓存大小
-    _sock->setReadBuffer(std::make_shared<BufferRaw>(MAX(_totalBodySize + 1,256 * 1024)));
+    _sock->setReadBuffer(std::make_shared<BufferRaw>(MIN(_totalBodySize + 1,256 * 1024)));
     return -1;
 }