diff --git a/.github/workflows/format.yml.disabled b/.github/workflows/format.yml.disabled
deleted file mode 100644
index 9fae7be9..00000000
--- a/.github/workflows/format.yml.disabled
+++ /dev/null
@@ -1,22 +0,0 @@
-name: format
-
-on:
-  pull_request:
-
-jobs:
-  JuliaFormatter:
-    if: "!contains(github.event.head_commit.message, '[skip ci]')"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@latest
-        with:
-          version: 1
-
-      # Check format
-      - name: Install JuliaFormatter and format
-        run: |
-          git diff --name-only --exit-code
-          julia -e 'using Pkg; pkg"add JuliaFormatter CSTParser#master"'
-          julia -e 'using JuliaFormatter; [format(["src", "test"]) for _ in 1:2]'
-          git diff --exit-code
diff --git a/.github/workflows/format_check.yml b/.github/workflows/format_check.yml
new file mode 100644
index 00000000..2ccd2b2c
--- /dev/null
+++ b/.github/workflows/format_check.yml
@@ -0,0 +1,38 @@
+name: format
+
+on:
+  push:
+    branches:
+      - 'master'
+    tags: '*'
+  pull_request:
+
+jobs:
+  check:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        julia-version: ['1']
+        julia-arch: [x64]
+        os: [ubuntu-latest]
+    steps:
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: ${{ matrix.julia-version }}
+
+      - uses: actions/checkout@v2
+      - name: Install JuliaFormatter and format
+        run: |
+          julia -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
+          julia -e 'using JuliaFormatter; format(["src", "test"], verbose=true)'
+      - name: Format check
+        run: |
+          julia -e '
+          out = Cmd(`git diff --name-only`) |> read |> String
+          if out == ""
+              exit(0)
+          else
+              @error "Some files have not been formatted !!!"
+              write(stdout, out)
+              exit(1)
+          end'
diff --git a/.github/workflows/format_pr.yml b/.github/workflows/format_pr.yml
index f547d1d5..649b065b 100644
--- a/.github/workflows/format_pr.yml
+++ b/.github/workflows/format_pr.yml
@@ -1,19 +1,19 @@
-name: format-pr
+name: format
 
 on:
   schedule:
-    - cron: '0 0 * * SUN'
+    - cron: '0 0 1 * *'
 
 jobs:
-  build:
+  pr:
     if: "!contains(github.event.head_commit.message, '[skip ci]')"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - name: Install JuliaFormatter and format
         run: |
-          julia  -e 'using Pkg; pkg"add JuliaFormatter"'
-          julia  -e 'using JuliaFormatter; [format(["src", "test"]) for _ in 1:2]'
+          julia -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
+          julia -e 'using JuliaFormatter; [format(["src", "test"]) for _ in 1:2]'
           git diff --exit-code
 
       - name: Create Pull Request
diff --git a/src/backends/unicodeplots.jl b/src/backends/unicodeplots.jl
index ef09268d..2994acb4 100644
--- a/src/backends/unicodeplots.jl
+++ b/src/backends/unicodeplots.jl
@@ -144,8 +144,15 @@ function addUnicodeSeries!(
             colorbar = hascolorbar(sp),
         )
         if st === :contour
-            isfilledcontour(series) && @warn "Plots(UnicodePlots): filled contour is not implemented"
-            return UnicodePlots.contourplot(x, y, series[:z].surf; kw..., levels = series[:levels])
+            isfilledcontour(series) &&
+                @warn "Plots(UnicodePlots): filled contour is not implemented"
+            return UnicodePlots.contourplot(
+                x,
+                y,
+                series[:z].surf;
+                kw...,
+                levels = series[:levels],
+            )
         elseif st === :heatmap
             return UnicodePlots.heatmap(series[:z].surf; fix_ar = _up_fix_ar[], kw...)
             # zlim = collect(axis_limits(sp, :z))