V4.0.4

Author: ddc

.github/PULL_REQUEST_TEMPLATE

@@ -8,6 +8,7 @@
 - [ ] I have thought about how this code may affect other services.
 - [ ] This PR fixes an issue.
 - [ ] This PR adds something new (e.g. new method or parameters).
+- [ ] This PR have unit tests (e.g. tests added/removed/changed)
 - [ ] This PR is a breaking change (e.g. methods or parameters removed/renamed)
 - [ ] This PR is **not** a code change (e.g. documentation, README, ...)