diff --git a/docs/data_preparation.md b/docs/data_preparation.md
index 0c803346be..7af237f7ec 100644
--- a/docs/data_preparation.md
+++ b/docs/data_preparation.md
@@ -14,14 +14,14 @@ The supported datasets are listed below.
 We provide shell scripts for data preparation under the path `$MMACTION/tools/data/`.
 To ease usage, we provide tutorials of data deployment for each dataset.
 
-- [UCF101](https://www.crcv.ucf.edu/data/UCF101.php): See [preparing_ucf101.md](/tools/data/ucf101/).
-- [Kinetics400](https://deepmind.com/research/open-source/kinetics): See [preparing_kinetics400.md](/tools/data/kinetics400/)
-- [THUMOS14](https://www.crcv.ucf.edu/THUMOS14/download.html): See [preparing_thumos14.md](/tools/data/thumos14/)
-- [Something-Something V1](https://20bn.com/datasets/something-something/v1): See [preparing_sthv1.md](/tools/data/sthv1/)
-- [Something-Something V2](https://20bn.com/datasets/something-something): See [preparing_sthv2.md](/tools/data/sthv2/)
-- [Moments in Time](http://moments.csail.mit.edu/): See [preparing_mit.md](/tools/data/mit/)
-- [Multi-Moments in Time](http://moments.csail.mit.edu/challenge_iccv_2019.html): See [preparing_mmit.md](/tools/data/mmit/)
-- ActivityNet_feature: See [praparing_activitynet.md](/tools/data/activitynet/)
+- [UCF101](https://www.crcv.ucf.edu/data/UCF101.php): See [preparing_ucf101.md](/tools/data/ucf101/preparing_ucf101.md).
+- [Kinetics400](https://deepmind.com/research/open-source/kinetics): See [preparing_kinetics400.md](/tools/data/kinetics400/preparing_kinetics400.md)
+- [THUMOS14](https://www.crcv.ucf.edu/THUMOS14/download.html): See [preparing_thumos14.md](/tools/data/thumos14/preparing_thumos14.md)
+- [Something-Something V1](https://20bn.com/datasets/something-something/v1): See [preparing_sthv1.md](/tools/data/sthv1/preparing_sthv1.md)
+- [Something-Something V2](https://20bn.com/datasets/something-something): See [preparing_sthv2.md](/tools/data/sthv2/preparing_sthv2.md)
+- [Moments in Time](http://moments.csail.mit.edu/): See [preparing_mit.md](/tools/data/mit/preparing_mit.md)
+- [Multi-Moments in Time](http://moments.csail.mit.edu/challenge_iccv_2019.html): See [preparing_mmit.md](/tools/data/mmit/preparing_mmit.md)
+- ActivityNet_feature: See [praparing_activitynet.md](/tools/data/activitynet/preparing_activitynet.md)
 
 Now, you can switch to [getting_started.md](getting_started.md) to train and test the model.
 
diff --git a/docs/merge_docs.sh b/docs/merge_docs.sh
index 0148666ef3..569029bde9 100755
--- a/docs/merge_docs.sh
+++ b/docs/merge_docs.sh
@@ -5,8 +5,19 @@ cat  ../configs/recognition/*/*.md > recognition_models.md
 
 cat  ./tutorials/finetune.md ./tutorials/new_dataset.md ./tutorials/data_pipeline.md ./tutorials/new_modules.md > tutorials.md
 
+sed -i 's/](\/docs\//](/g' ../tools/data/*/*.md
+sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' ../tools/data/*/*.md
 cat  ../tools/data/*/*.md > prepare_data.md
 
+sed -i 's/.md](\/tools\/data\/activitynet\/preparing_activitynet.md/](#activitynet/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/kinetics400\/preparing_kinetics400.md/](#kinetics-400/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/mit\/preparing_mit.md/](#moments-in-time/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/mmit\/preparing_mmit.md/](#multi-moments-in-time/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/sthv1\/preparing_sthv1.md/](#something-something-v1/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/sthv2\/preparing_sthv2.md/](#something-something-v2/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/thumos14\/preparing_thumos14.md/](#thumos-14/g' data_preparation.md
+sed -i 's/.md](\/tools\/data\/ucf101\/preparing_ucf101.md/](#ucf-101/g' data_preparation.md
+
 sed -i 's/#/##&/' localization_models.md
 sed -i 's/#/##&/' recognition_models.md
 
@@ -23,18 +34,18 @@ sed -i '1i\## Action Recognition Models' recognition_models.md
 sed -i '1i\## Preparing Datasets' prepare_data.md
 cat prepare_data.md >> data_preparation.md
 
+sed -i 's/..\/imgs/_images/g' tutorials.md
+sed -i 's/](new_dataset.md)/](#tutorial-2-adding-new-dataset)/g' tutorials.md
+
 sed -i 's/](\/docs\//](/g' recognition_models.md # remove /docs/ for link used in doc site
 sed -i 's/](\/docs\//](/g' localization_models.md
-sed -i 's/](\/docs\//](/g' data_preparation.md
 sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' recognition_models.md
 sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' localization_models.md
-sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' data_preparation.md
 sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' benchmark.md
 sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' getting_started.md
 sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' install.md
 sed -i 's=](/=](http://gitlab.sz.sensetime.com/open-mmlab/mmaction-lite/tree/master/=g' tutorials.md
-sed -i 's/..\/imgs/_images/g' tutorials.md
-sed -i 's/](new_dataset.md)/](#tutorial-2-adding-new-dataset)/g' tutorials.md
+
 
 cat localization_models.md recognition_models.md > modelzoo.md
 sed -i '1i\# Modelzoo' modelzoo.md