Update git branch and links (#13)

diff --git a/README.md b/README.md
index 311c466..06682ed 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
 
 VTA Hardware Design Stack
 =========================
-[![Build Status](https://ci.tlcpack.ai/job/tvm-vta/job/master/badge/icon)](https://ci.tlcpack.ai/job/tvm-vta/job/master/)
+[![Build Status](https://ci.tlcpack.ai/job/tvm-vta/job/main/badge/icon)](https://ci.tlcpack.ai/job/tvm-vta/job/main/)
 
 VTA (versatile tensor accelerator) is an open-source deep learning accelerator complemented with an end-to-end TVM-based compiler stack.
 
diff --git a/apps/deploy/python_deploy.py b/apps/deploy/python_deploy.py
index dc6c37b..2502046 100644
--- a/apps/deploy/python_deploy.py
+++ b/apps/deploy/python_deploy.py
@@ -55,7 +55,7 @@
     with open("./build/model/params.params", "rb") as paramfile:
         param_bytes = paramfile.read()
 
-    categ_url = "https://github.com/uwsaml/web-data/raw/master/vta/models/"
+    categ_url = "https://github.com/uwsampl/web-data/raw/main/vta/models/"
     categ_fn = "synset.txt"
     download.download(join(categ_url, categ_fn), categ_fn)
     synset = eval(open(categ_fn).read())
diff --git a/tests/scripts/task_tvm_checkout.sh b/tests/scripts/task_tvm_checkout.sh
index c9516b3..fb6636b 100755
--- a/tests/scripts/task_tvm_checkout.sh
+++ b/tests/scripts/task_tvm_checkout.sh
@@ -26,5 +26,5 @@
 
 cd tvm
 git fetch
-git checkout -B master origin/master
+git checkout -B main origin/main
 git submodule update --init --recursive