polish some docs
@@ -75,6 +75,8 @@ python3 -m paddle.distributed.launch \
The highest accuracy of the validation set is around 0.415.
+** Note** If the number of GPU cards is not 4, the accuracy of the validation set may be different from 0.415. To maintain a comparable accuracy, you need to change the learning rate in the configuration file to the current learning rate / 4 \* current card number. The same below.
+
<a name="2.1.2"></a>
