Update readme_cn.md misspelling (#2088)

learningpro

2024-09-20 8c88d71f34ddf78588983538f887b8fb483996cd

 runtime/websocket/bin/funasr-wss-client-2pass.cpp

@@ -449,6 +449,7 @@
        m_client.get_alog().write(websocketpp::log::alevel::app,
                                  "Send Error: " + ec.message());
      }
      delete[] iArray;
      Pa_Sleep(20);  // sleep for 20ms
    }