diff --git a/.github/labels.yml b/.github/labels.yml
index f9d75ad..02319bc 100644
--- a/.github/labels.yml
+++ b/.github/labels.yml
@@ -39,5 +39,13 @@ XXL:
   lines: 1000
   color: E50009
   comment: |
-    # Whoa! Easy there, Partner!
-    This PR is too big. Please break it up into smaller PRs.
\ No newline at end of file
+    ## 🤖 Whoa! Easy there, Partner!
+    This PR is too big. It's over 1000. Please break it up into smaller PRs.
+
+XXXL:
+  name: size/XXXL
+  lines: 5000
+  color: FF0000
+  comment: |
+    ## 🤖 Whoa! Easy there, Partner!
+    This PR is too big. It's over 5000. Please break it up into smaller PRs.
\ No newline at end of file
diff --git a/.github/weekly-digest.yml b/.github/weekly-digest.yml
new file mode 100644
index 0000000..07c5603
--- /dev/null
+++ b/.github/weekly-digest.yml
@@ -0,0 +1,6 @@
+publishDay: sun
+canPublishIssues: true
+canPublishPullRequests: true
+canPublishContributors: true
+canPublishStargazers: true
+canPublishCommits: true
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 32400c3..e8f7022 100644
--- a/Makefile
+++ b/Makefile
@@ -268,6 +268,17 @@ copyright-add: tools.verify.addlicense
 	@$(TOOLS_DIR)/addlicense -y $(shell date +"%Y") -v -c "OpenIM open source community." -f $(LICENSE_TEMPLATE) $(CODE_DIRS)
 	@echo "===========> End the copyright is added..."
 
+## swagger: Generate swagger document.
+.PHONY: swagger
+swagger: tools.verify.swagger
+	@echo "===========> Generating swagger API docs"
+	@$(TOOLS_DIR)/swagger generate spec --scan-models -w $(ROOT_DIR)/cmd/gendocs -o $(ROOT_DIR)/server/docs/swagger.yaml
+
+## serve-swagger: Serve swagger spec and docs.
+.PHONY: swagger.serve
+serve-swagger: tools.verify.swagger
+	@$(TOOLS_DIR)/swagger serve -F=redoc --no-open --port 36666 $(ROOT_DIR)/server/docs/swagger.yaml
+
 ## clean: Clean all builds.
 .PHONY: clean
 clean:
@@ -336,6 +347,11 @@ install.go-gitlint:
 install.go-junit-report:
 	@$(GO) install github.com/jstemmer/go-junit-report@latest
 
+## install.gotests: Install gotests, used to generate go tests
+.PHONY: install.swagger
+install.swagger:
+	@$(GO) install github.com/go-swagger/go-swagger/cmd/swagger@latest
+
 # ==============================================================================
 # Tools that might be used include go gvm, cos
 #