diff --git a/.Rbuildignore b/.Rbuildignore
index 4c39292..b0b5819 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -5,3 +5,4 @@
 ^Scratch\.RConsole$
 ^README\.Rmd$
 ^README\.html$
+^\.github$
diff --git a/.github/.gitignore b/.github/.gitignore
new file mode 100644
index 0000000..2d19fc7
--- /dev/null
+++ b/.github/.gitignore
@@ -0,0 +1 @@
+*.html
diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
new file mode 100644
index 0000000..0f2fe08
--- /dev/null
+++ b/.github/workflows/R-CMD-check.yaml
@@ -0,0 +1,52 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+name: R-CMD-check
+
+permissions: read-all
+
+jobs:
+  R-CMD-check:
+    runs-on: ${{ matrix.config.os }}
+
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {os: macos-latest,   r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
+          - {os: ubuntu-latest,   r: 'release'}
+          - {os: ubuntu-latest,   r: 'oldrel-1'}
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+        with:
+          upload-snapshots: true
+          build_args: 'c("--no-manual","--compact-vignettes=gs+qpdf")'
diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
new file mode 100644
index 0000000..c0781e7
--- /dev/null
+++ b/.github/workflows/check-bioc.yml
@@ -0,0 +1,338 @@
+## Read more about GitHub actions the features of this GitHub Actions workflow
+## at https://lcolladotor.github.io/biocthis/articles/biocthis.html#use_bioc_github_action
+##
+## For more details, check the biocthis developer notes vignette at
+## https://lcolladotor.github.io/biocthis/articles/biocthis_dev_notes.html
+##
+## You can add this workflow to other packages using:
+## > biocthis::use_bioc_github_action()
+##
+## Using GitHub Actions exposes you to many details about how R packages are
+## compiled and installed in several operating system.s
+### If you need help, please follow the steps listed at
+## https://github.com/r-lib/actions#where-to-find-help
+##
+## If you found an issue specific to biocthis's GHA workflow, please report it
+## with the information that will make it easier for others to help you.
+## Thank you!
+
+## Acronyms:
+## * GHA: GitHub Action
+## * OS: operating system
+
+on:
+  push:
+  pull_request:
+
+name: R-CMD-check-bioc
+
+## These environment variables control whether to run GHA code later on that is
+## specific to testthat, covr, and pkgdown.
+##
+## If you need to clear the cache of packages, update the number inside
+## cache-version as discussed at https://github.com/r-lib/actions/issues/86.
+## Note that you can always run a GHA test without the cache by using the word
+## "/nocache" in the commit message.
+env:
+  has_testthat: 'true'
+  run_covr: 'true'
+  run_pkgdown: 'false'
+  has_RUnit: 'false'
+  cache-version: 'cache-v1'
+  run_docker: 'false'
+
+jobs:
+  build-check:
+    runs-on: ${{ matrix.config.os }}
+    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
+    container: ${{ matrix.config.cont }}
+    ## Environment variables unique to this job.
+
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - { os: ubuntu-latest, r: '4.4', bioc: '3.20', cont: "bioconductor/bioconductor_docker:devel", rspm: "https://packagemanager.rstudio.com/cran/__linux__/jammy/latest" }
+          - { os: macOS-latest, r: '4.4', bioc: '3.20'}
+          - { os: windows-latest, r: '4.4', bioc: '3.20'}
+          ## Check https://github.com/r-lib/actions/tree/master/examples
+          ## for examples using the http-user-agent
+    env:
+      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
+      RSPM: ${{ matrix.config.rspm }}
+      NOT_CRAN: true
+      TZ: UTC
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+
+      ## Set the R library to the directory matching the
+      ## R packages cache step further below when running on Docker (Linux).
+      - name: Set R Library home on Linux
+        if: runner.os == 'Linux'
+        run: |
+          mkdir /__w/_temp/Library
+          echo ".libPaths('/__w/_temp/Library')" > ~/.Rprofile
+
+      ## Most of these steps are the same as the ones in
+      ## https://github.com/r-lib/actions/blob/master/examples/check-standard.yaml
+      ## If they update their steps, we will also need to update ours.
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      ## R is already included in the Bioconductor docker images
+      - name: Setup R from r-lib
+        if: runner.os != 'Linux'
+        uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: ${{ matrix.config.r }}
+          http-user-agent: ${{ matrix.config.http-user-agent }}
+
+      ## pandoc is already included in the Bioconductor docker images
+      - name: Setup pandoc from r-lib
+        if: runner.os != 'Linux'
+        uses: r-lib/actions/setup-pandoc@v2
+
+      - name: Query dependencies
+        run: |
+          install.packages('remotes')
+          saveRDS(remotes::dev_package_deps(dependencies = TRUE), ".github/depends.Rds", version = 2)
+        shell: Rscript {0}
+
+      - name: Restore R package cache
+        if: "!contains(github.event.head_commit.message, '/nocache') && runner.os != 'Linux'"
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.R_LIBS_USER }}
+          key: ${{ env.cache-version }}-${{ runner.os }}-biocversion-devel-r-4.4-${{ hashFiles('.github/depends.Rds') }}
+          restore-keys: ${{ env.cache-version }}-${{ runner.os }}-biocversion-devel-r-4.4-
+
+      - name: Cache R packages on Linux
+        if: "!contains(github.event.head_commit.message, '/nocache') && runner.os == 'Linux' "
+        uses: actions/cache@v3
+        with:
+          path: /home/runner/work/_temp/Library
+          key: ${{ env.cache-version }}-${{ runner.os }}-biocversion-devel-r-4.4-${{ hashFiles('.github/depends.Rds') }}
+          restore-keys: ${{ env.cache-version }}-${{ runner.os }}-biocversion-devel-r-4.4-
+
+      # - name: Install Linux system dependencies
+      #   if: runner.os == 'Linux'
+      #   run: |
+      #     sysreqs=$(Rscript -e 'cat("apt-get update -y && apt-get install -y", paste(gsub("apt-get install -y ", "", remotes::system_requirements("ubuntu", "20.04")), collapse = " "))')
+      #     echo $sysreqs
+      #     sudo -s eval "$sysreqs"
+
+      - name: Install macOS system dependencies
+        if: matrix.config.os == 'macOS-latest'
+        run: |
+          ## Enable installing XML from source if needed
+          brew install libxml2
+          echo "XML_CONFIG=/usr/local/opt/libxml2/bin/xml2-config" >> $GITHUB_ENV
+
+          ## Required to install magick as noted at
+          ## https://github.com/r-lib/usethis/commit/f1f1e0d10c1ebc75fd4c18fa7e2de4551fd9978f#diff-9bfee71065492f63457918efcd912cf2
+          brew install imagemagick@6
+
+          ## For textshaping, required by ragg, and required by pkgdown
+          brew install harfbuzz fribidi
+
+          ## For installing usethis's dependency gert
+          brew install libgit2
+
+          ## Required for tcltk
+          brew install xquartz --cask
+
+      - name: Install Windows system dependencies
+        if: runner.os == 'Windows'
+        run: |
+          ## Edit below if you have any Windows system dependencies
+        shell: Rscript {0}
+
+      - name: Install BiocManager
+        run: |
+          message(paste('****', Sys.time(), 'installing BiocManager ****'))
+          remotes::install_cran("BiocManager")
+        shell: Rscript {0}
+
+      - name: Set BiocVersion
+        run: |
+          BiocManager::install(version = "${{ matrix.config.bioc }}", ask = FALSE, force = TRUE)
+        shell: Rscript {0}
+
+      - name: Install dependencies pass 1
+        run: |
+          ## Try installing the package dependencies in steps. First the local
+          ## dependencies, then any remaining dependencies to avoid the
+          ## issues described at
+          ## https://stat.ethz.ch/pipermail/bioc-devel/2020-April/016675.html
+          ## https://github.com/r-lib/remotes/issues/296
+          ## Ideally, all dependencies should get installed in the first pass.
+
+          ## For running the checks
+          message(paste('****', Sys.time(), 'installing rcmdcheck and BiocCheck ****'))
+          install.packages(c("rcmdcheck", "BiocCheck"), repos = BiocManager::repositories())
+
+          ## Pass #1 at installing dependencies
+          message(paste('****', Sys.time(), 'pass number 1 at installing dependencies: local dependencies ****'))
+          remotes::install_local(dependencies = TRUE, repos = BiocManager::repositories(), build_vignettes = FALSE, upgrade = TRUE)
+        continue-on-error: true
+        shell: Rscript {0}
+
+      - name: Install dependencies pass 2
+        run: |
+          ## Pass #2 at installing dependencies
+          message(paste('****', Sys.time(), 'pass number 2 at installing dependencies: any remaining dependencies ****'))
+          remotes::install_local(dependencies = TRUE, repos = BiocManager::repositories(), build_vignettes = TRUE, upgrade = TRUE, force = TRUE)
+        shell: Rscript {0}
+
+      - name: Install BiocGenerics
+        if:  env.has_RUnit == 'true'
+        run: |
+          ## Install BiocGenerics
+          BiocManager::install("BiocGenerics")
+        shell: Rscript {0}
+
+      - name: Install covr
+        if: github.ref == 'refs/heads/devel' && env.run_covr == 'true' && runner.os == 'Linux'
+        run: |
+          remotes::install_cran("covr")
+        shell: Rscript {0}
+
+      - name: Install pkgdown
+        if: github.ref == 'refs/heads/devel' && env.run_pkgdown == 'true' && runner.os == 'Linux'
+        run: |
+          remotes::install_github("r-lib/pkgdown")
+        shell: Rscript {0}
+
+      - name: Session info
+        run: |
+          options(width = 100)
+          pkgs <- installed.packages()[, "Package"]
+          sessioninfo::session_info(pkgs, include_base = TRUE)
+        shell: Rscript {0}
+
+      - name: Run CMD check
+        env:
+          _R_CHECK_CRAN_INCOMING_: false
+          DISPLAY: 99.0
+        run: |
+          options(crayon.enabled = TRUE)
+          rcmdcheck::rcmdcheck(
+              args = c("--no-manual", "--no-vignettes", "--timings"),
+              build_args = c("--no-manual", "--keep-empty-dirs", "--no-resave-data"),
+              error_on = "warning",
+              check_dir = "check"
+          )
+        shell: Rscript {0}
+
+      ## Might need an to add this to the if:  && runner.os == 'Linux'
+      - name: Reveal testthat details
+        if:  env.has_testthat == 'true'
+        run: find . -name testthat.Rout -exec cat '{}' ';'
+
+      - name: Run RUnit tests
+        if:  env.has_RUnit == 'true'
+        run: |
+          BiocGenerics:::testPackage()
+        shell: Rscript {0}
+
+      - name: Run BiocCheck
+        env:
+          DISPLAY: 99.0
+        run: |
+          BiocCheck::BiocCheck(
+              dir('check', 'tar.gz$', full.names = TRUE),
+              `quit-with-status` = TRUE,
+              `no-check-R-ver` = TRUE,
+              `no-check-bioc-help` = TRUE
+          )
+        shell: Rscript {0}
+
+      - name: Test coverage
+        if: github.ref == 'refs/heads/devel' && env.run_covr == 'true' && runner.os == 'Linux'
+        run: |
+          covr::codecov(coverage = covr::package_coverage(type = "all"))
+        shell: Rscript {0}
+
+      - name: Install package
+        if: github.ref == 'refs/heads/devel' && env.run_pkgdown == 'true' && runner.os == 'Linux'
+        run: R CMD INSTALL .
+
+      - name: Build pkgdown site
+        if: github.ref == 'refs/heads/devel' && env.run_pkgdown == 'true' && runner.os == 'Linux'
+        run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
+        shell: Rscript {0}
+        ## Note that you need to run pkgdown::deploy_to_branch(new_process = FALSE)
+        ## at least one locally before this will work. This creates the gh-pages
+        ## branch (erasing anything you haven't version controlled!) and
+        ## makes the git history recognizable by pkgdown.
+
+      - name: Install deploy dependencies
+        if: github.ref == 'refs/heads/devel' && env.run_pkgdown == 'true' && runner.os == 'Linux'
+        run: |
+          apt-get update && apt-get -y install rsync
+
+      - name: Deploy pkgdown site to GitHub pages 🚀
+        if: github.ref == 'refs/heads/devel' && env.run_pkgdown == 'true' && runner.os == 'Linux'
+        uses: JamesIves/github-pages-deploy-action@releases/v4
+        with:
+          clean: false
+          branch: gh-pages
+          folder: docs
+
+      - name: Upload check results
+        if: failure()
+        uses: actions/upload-artifact@master
+        with:
+          name: ${{ runner.os }}-biocversion-devel-r-4.4-results
+          path: check
+
+
+  ## Code adapted from
+  ## https://github.com/waldronlab/cBioPortalData/blob/e0440a4445f0cc731e426363a76faa22ee5e0f9d/.github/workflows/devel_check_dock.yml#L65-L92
+  docker-build-and-push:
+    runs-on: ubuntu-latest
+    needs: build-check
+    steps:
+      - name: Checkout Repository
+        if: "!contains(github.event.head_commit.message, '/nodocker') && env.run_docker == 'true' && github.ref == 'refs/heads/devel'"
+        uses: actions/checkout@v3
+
+      - name: Register repo name
+        if: "!contains(github.event.head_commit.message, '/nodocker') && env.run_docker == 'true' && github.ref == 'refs/heads/devel'"
+        id: reg_repo_name
+        run: |
+          echo CONT_IMG_NAME=$(echo ${{ github.event.repository.name }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV
+
+      - name: Set up QEMU
+        if: "!contains(github.event.head_commit.message, '/nodocker') && env.run_docker == 'true' && github.ref == 'refs/heads/devel'"
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        if: "!contains(github.event.head_commit.message, '/nodocker') && env.run_docker == 'true' && github.ref == 'refs/heads/devel'"
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Hub
+        if: "!contains(github.event.head_commit.message, '/nodocker') && env.run_docker == 'true' && github.ref == 'refs/heads/devel'"
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      ## Note that DOCKERHUB_TOKEN is really a token for your dockerhub
+      ## account, not your actual dockerhub account password. You can get it
+      ## from https://hub.docker.com/settings/security.
+      ## Check https://github.com/docker/build-push-action/tree/v4.0.0
+      ## for more details.
+      ## Alternatively, try checking
+      ## https://seandavi.github.io/BuildABiocWorkshop/articles/HOWTO_BUILD_WORKSHOP.html.
+
+      - name: Build and Push Docker
+        if: "!contains(github.event.head_commit.message, '/nodocker') && env.run_docker == 'true' && github.ref == 'refs/heads/devel' && success()"
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: >
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.CONT_IMG_NAME }}:latest,
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ env.CONT_IMG_NAME }}:devel
diff --git a/.github/workflows/pr-commands.yaml b/.github/workflows/pr-commands.yaml
new file mode 100644
index 0000000..d1f7650
--- /dev/null
+++ b/.github/workflows/pr-commands.yaml
@@ -0,0 +1,81 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  issue_comment:
+    types: [created]
+
+name: Commands
+
+permissions: read-all
+
+jobs:
+  document:
+    if: ${{ github.event.issue.pull_request && (github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER') && startsWith(github.event.comment.body, '/document') }}
+    name: document
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: r-lib/actions/pr-fetch@v2
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::roxygen2
+          needs: pr-document
+
+      - name: Document
+        run: roxygen2::roxygenise()
+        shell: Rscript {0}
+
+      - name: commit
+        run: |
+          git config --local user.name "$GITHUB_ACTOR"
+          git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com"
+          git add man/\* NAMESPACE
+          git commit -m 'Document'
+
+      - uses: r-lib/actions/pr-push@v2
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+  style:
+    if: ${{ github.event.issue.pull_request && (github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER') && startsWith(github.event.comment.body, '/style') }}
+    name: style
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: r-lib/actions/pr-fetch@v2
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: r-lib/actions/setup-r@v2
+
+      - name: Install dependencies
+        run: install.packages("styler")
+        shell: Rscript {0}
+
+      - name: Style
+        run: styler::style_pkg()
+        shell: Rscript {0}
+
+      - name: commit
+        run: |
+          git config --local user.name "$GITHUB_ACTOR"
+          git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com"
+          git add \*.R
+          git commit -m 'Style'
+
+      - uses: r-lib/actions/pr-push@v2
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/DESCRIPTION b/DESCRIPTION
index ab5886f..01c47d8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,12 +1,13 @@
 Package: eheat
 Title: Extented ComplexHeatmap
-Version: 0.0.0.9000
+Version: 0.99.0
 Authors@R: 
-    person("Yun", "Peng", , "yunyunp96@gmail.com", role = c("aut", "cre"))
-Description: Extented ComplexHeatmap.
+    person("Yun", "Peng", , "yunyunp96@163.com", role = c("aut", "cre"), comment = c(ORCID = "0000-0003-2801-3332"))
+Description: This package serves as a bridge between the ggplot2 and ComplexHeatmap packages. Essentially, all ggplot2 geometries and operations can be utilized in ComplexHeatmap.
 URL: https://github.com/Yunuuuu/eheat
 BugReports: https://github.com/Yunuuuu/eheat/issues
 License: MIT + file LICENSE
+biocViews: Software, Visualization
 Encoding: UTF-8
 Depends:
     ComplexHeatmap,
diff --git a/R/gganno.R b/R/gganno.R
index de5df79..99ed9a0 100644
--- a/R/gganno.R
+++ b/R/gganno.R
@@ -31,9 +31,10 @@
 #' draw(gganno(rnorm(10L), function(p) {
 #'     p + geom_point(aes(y = V1))
 #' }, height = unit(10, "cm"), width = unit(0.7, "npc")))
-#' draw(gganno2(rnorm(10L), function(p) {
-#'     p + geom_point(aes(y = V1))
-#' }, height = unit(10, "cm"), width = unit(0.7, "npc")))
+#' @return
+#' - `gganno`: A `ggAnnotationFunction` object.
+#' - `gganno2`: A [AnnotationFunction][ComplexHeatmap::AnnotationFunction]
+#'   object.
 #' @export
 #' @name gganno
 gganno <- function(matrix, ggfn, ..., which = NULL,
@@ -57,6 +58,10 @@ gganno <- function(matrix, ggfn, ..., which = NULL,
     out
 }
 
+#' @examples 
+#' draw(gganno2(rnorm(10L), function(p) {
+#'     p + geom_point(aes(y = V1))
+#' }, height = unit(10, "cm"), width = unit(0.7, "npc")))
 #' @export
 #' @rdname gganno
 gganno2 <- function(
diff --git a/R/ggheat.R b/R/ggheat.R
index f158372..5868a28 100644
--- a/R/ggheat.R
+++ b/R/ggheat.R
@@ -212,6 +212,8 @@ ggheat <- function(matrix, ggfn = NULL, ..., ggparams = list(), debug = FALSE) {
     out
 }
 
+#' @examples 
+#' draw(ggheat(matrix(rnorm(81), nrow = 9)))
 #' @importFrom ComplexHeatmap draw
 #' @export
 ComplexHeatmap::draw
diff --git a/R/utils-complexheatmap.R b/R/utils-complexheatmap.R
index 30609e4..cf4ccc9 100644
--- a/R/utils-complexheatmap.R
+++ b/R/utils-complexheatmap.R
@@ -1,3 +1,5 @@
+#' @examples 
+#' ht_opt("heatmap_row_names_gp")
 #' @importFrom ComplexHeatmap ht_opt
 #' @export
 ComplexHeatmap::ht_opt
diff --git a/R/utils.R b/R/utils.R
index 6859543..2e4a356 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -4,10 +4,14 @@ pkg_nm <- function() {
     utils::packageName(topenv(environment()))
 }
 
+#' @examples 
+#' gpar(col = "red")
 #' @importFrom grid gpar
 #' @export
 grid::gpar
 
+#' @examples 
+#' unit(1, "npc")
 #' @importFrom grid unit
 #' @export
 grid::unit
diff --git a/README.Rmd b/README.Rmd
index 8bf4d53..588968e 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -16,6 +16,7 @@ knitr::opts_chunk$set(
 # eheat
 
 <!-- badges: start -->
+[![R-CMD-check](https://github.com/Yunuuuu/eheat/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/Yunuuuu/eheat/actions/workflows/R-CMD-check.yaml)
 <!-- badges: end -->
 
 ```{r child = "vignettes/eheat.Rmd"}
diff --git a/man/eheat-package.Rd b/man/eheat-package.Rd
index dbd4f00..32313cc 100644
--- a/man/eheat-package.Rd
+++ b/man/eheat-package.Rd
@@ -6,7 +6,7 @@
 \alias{eheat-package}
 \title{eheat: Extented ComplexHeatmap}
 \description{
-Extented ComplexHeatmap.
+This package serves as a bridge between the ggplot2 and ComplexHeatmap packages. Essentially, all ggplot2 geometries and operations can be utilized in ComplexHeatmap.
 }
 \seealso{
 Useful links:
@@ -17,7 +17,7 @@ Useful links:
 
 }
 \author{
-\strong{Maintainer}: Yun Peng \email{yunyunp96@gmail.com}
+\strong{Maintainer}: Yun Peng \email{yunyunp96@163.com} (\href{https://orcid.org/0000-0003-2801-3332}{ORCID})
 
 }
 \keyword{internal}
diff --git a/man/gganno.Rd b/man/gganno.Rd
index 4108ff1..6ca7247 100644
--- a/man/gganno.Rd
+++ b/man/gganno.Rd
@@ -59,6 +59,12 @@ be deemed acceptable) to be carried out conjointly with the
 }
 \value{
 A \code{ggAnnotationFunction} object.
+
+\itemize{
+\item \code{gganno}: A \code{ggAnnotationFunction} object.
+\item \code{gganno2}: A \link[ComplexHeatmap:AnnotationFunction]{AnnotationFunction}
+object.
+}
 }
 \description{
 Plot heatmaps layer by layer
diff --git a/man/reexports.Rd b/man/reexports.Rd
index 7fda3db..272aa97 100644
--- a/man/reexports.Rd
+++ b/man/reexports.Rd
@@ -8,6 +8,12 @@
 \alias{gpar}
 \alias{unit}
 \title{Objects exported from other packages}
+\examples{
+draw(ggheat(matrix(rnorm(81), nrow = 9)))
+ht_opt("heatmap_row_names_gp")
+gpar(col = "red")
+unit(1, "npc")
+}
 \keyword{internal}
 \description{
 These objects are imported from other packages. Follow the links