diff --git a/.gitea/workflows/test.yaml b/.gitea/workflows/test.yaml
new file mode 100644
index 00000000..f5b227bd
--- /dev/null
+++ b/.gitea/workflows/test.yaml
@@ -0,0 +1,32 @@
+name: checks
+
+on:
+  - pull_request
+
+jobs:
+  build-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: https://github.com/actions/setup-node@v3
+        with:
+          node-version: 16
+      - name: install necessary tools
+        run: |
+          apt update -y && apt install -y rsync python python3-pip
+          pip install awscli
+      - name: prepare nightly docs
+        run: |
+          make prepare-latest
+          make prepare-latest-zh-cn
+      - name: prepare 1.19 docs
+        run: |
+          make prepare\#19
+          make prepare-zh-cn\#19
+      - name: cleanup before build
+        run: |
+          rm static/_*
+      - name: build site
+        run: |
+          npm ci
+          npm run build
diff --git a/i18n/zh-cn/docusaurus-theme-classic/navbar.json b/i18n/zh-cn/docusaurus-theme-classic/navbar.json
index 4e34b1b4..4ab02bea 100644
--- a/i18n/zh-cn/docusaurus-theme-classic/navbar.json
+++ b/i18n/zh-cn/docusaurus-theme-classic/navbar.json
@@ -3,10 +3,10 @@
     "message": "Gitea"
   },
   "item.label.Docs": {
-    "message": "开源文档"
+    "message": "文档"
   },
   "item.label.Code": {
-    "message": "代码"
+    "message": "开源代码"
   },
   "item.label.Support": {
     "message": "支持"
diff --git a/loop_docs-19-zh-cn.sh b/loop_docs-19-zh-cn.sh
index d2c72084..c88a0334 100644
--- a/loop_docs-19-zh-cn.sh
+++ b/loop_docs-19-zh-cn.sh
@@ -8,14 +8,8 @@ else
     SED_INPLACE="sed -i ''"
 fi
 
-$SED_INPLACE 's/</<&#8288;/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/installation/with-docker.zh-cn.md
-$SED_INPLACE 's/<empty/<&#8288;empty/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/installation/with-docker.zh-cn.md
-
-$SED_INPLACE 's/</<&#8288;/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/contributing/guidelines-backend.zh-cn.md
-$SED_INPLACE 's/</&#8288;/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/contributing/guidelines-backend.zh-cn.md
-$SED_INPLACE 's/<empty/<&#8288;empty/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/contributing/guidelines-backend.zh-cn.md
-
-$SED_INPLACE 's/<empty/<&#8288;empty/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/administration/config-cheat-sheet.zh-cn.md
+$SED_INPLACE 's/\\<empty>/<empty\\>/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/installation/with-docker.zh-cn.md
+$SED_INPLACE 's/\\<empty\\>/<empty\\>/' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/administration/config-cheat-sheet.zh-cn.md
 
 $SED_INPLACE 's/^url:.*//' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/intro.md
 $SED_INPLACE 's/^slug:.*/slug: \//' i18n/zh-cn/docusaurus-plugin-content-docs/version-1.19/intro.md
diff --git a/loop_docs-zh-cn.sh b/loop_docs-zh-cn.sh
index 9878be81..25459427 100644
--- a/loop_docs-zh-cn.sh
+++ b/loop_docs-zh-cn.sh
@@ -8,14 +8,8 @@ else
     SED_INPLACE="sed -i ''"
 fi
 
-$SED_INPLACE 's/</<&#8288;/' i18n/zh-cn/docusaurus-plugin-content-docs/current/installation/with-docker.zh-cn.md
-$SED_INPLACE 's/<empty/<&#8288;empty/' i18n/zh-cn/docusaurus-plugin-content-docs/current/installation/with-docker.zh-cn.md
-
-$SED_INPLACE 's/</<&#8288;/' i18n/zh-cn/docusaurus-plugin-content-docs/current/contributing/guidelines-backend.zh-cn.md
-$SED_INPLACE 's/</&#8288;/' i18n/zh-cn/docusaurus-plugin-content-docs/current/contributing/guidelines-backend.zh-cn.md
-$SED_INPLACE 's/<empty/<&#8288;empty/' i18n/zh-cn/docusaurus-plugin-content-docs/current/contributing/guidelines-backend.zh-cn.md
-
-$SED_INPLACE 's/<empty/<&#8288;empty/' i18n/zh-cn/docusaurus-plugin-content-docs/current/administration/config-cheat-sheet.zh-cn.md
+$SED_INPLACE 's/\\<empty>/<empty\\>/' i18n/zh-cn/docusaurus-plugin-content-docs/current/installation/with-docker.zh-cn.md
+$SED_INPLACE 's/\\<empty\\>/<empty\\>/' i18n/zh-cn/docusaurus-plugin-content-docs/current/administration/config-cheat-sheet.zh-cn.md
 
 $SED_INPLACE 's/^url:.*//' i18n/zh-cn/docusaurus-plugin-content-docs/current/intro.md
 $SED_INPLACE 's/^slug:.*/slug: \//' i18n/zh-cn/docusaurus-plugin-content-docs/current/intro.md
diff --git a/loop_docs.sh b/loop_docs.sh
index 35d71279..7dd41ee7 100644
--- a/loop_docs.sh
+++ b/loop_docs.sh
@@ -9,9 +9,6 @@ else
 fi
 
 $SED_INPLACE 's/<empty/<&#8288;empty/' docs/administration/config-cheat-sheet.en-us.md
-$SED_INPLACE 's/<empty/<&#8288;empty/' docs/contributing/guidelines-backend.en-us.md
-$SED_INPLACE 's/</<&#8288;/' docs/contributing/guidelines-backend.en-us.md
-$SED_INPLACE 's/</&#8288;/' docs/contributing/guidelines-backend.en-us.md
 $SED_INPLACE 's/^url:.*//' docs/intro.md
 $SED_INPLACE 's/^slug:.*/slug: \//' docs/intro.md
 $SED_INPLACE 's/.\/guidelines-frontend.md/.\/guidelines-frontend/' docs/development/hacking-on-gitea.en-us.md