修复release版本下串口接收不到消息的BUG

src/camera_light_src_timing_controller/qt_serial_datachannel.cpp

@@ -25,8 +25,10 @@ void QTDataChannel::init() {
           // ZLOGI(TAG, "rx %d bytes", rx_cnt);
           if (m_rxcb) m_rxcb(rx, rx_cnt);
         }
+        this_thread::sleep_for(chrono::microseconds(100));
+      } else {
+        this_thread::sleep_for(chrono::microseconds(10000));
       }
-      // this_thread::sleep_for(chrono::microseconds(1000));
     }
   }));
 }