diff --git a/.github/workflows/check-online-doc-build.yml b/.github/workflows/check-online-doc-build.yml
new file mode 100644
index 0000000..13c6d6a
--- /dev/null
+++ b/.github/workflows/check-online-doc-build.yml
@@ -0,0 +1,24 @@
+# Copyright (C) 2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+name: Check Online Document Building
+permissions: {}
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      contents: write
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build Online Document
+      shell: bash
+      run: |
+        git config --local --get remote.origin.url
+        echo "build online doc"
+        bash scripts/build.sh
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9c8bd2d..2a3bfc2 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -11,4 +11,4 @@ Thank you for being a part of this journey. We can't wait to see what we can ach
 # Additional Content
 
 - [Code of Conduct](https://github.com/opea-project/docs/tree/main/community/CODE_OF_CONDUCT.md)
-- [Security Policy](https://github.com/opea-project/docs/tree/main/community/SECURITY.md)
\ No newline at end of file
+- [Security Policy](https://github.com/opea-project/docs/tree/main/community/SECURITY.md)
diff --git a/conf.py b/conf.py
index 4316462..40e4637 100644
--- a/conf.py
+++ b/conf.py
@@ -114,6 +114,7 @@
                )
     }
 
+show_warning_types = True
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
diff --git a/scripts/build.sh b/scripts/build.sh
index 8967988..9cedec5 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -40,8 +40,8 @@ echo "Build HTML"
 cd docs
 make clean
 make html
-
 retval=$?
+echo "result = $retval"
 if [ $retval -ne 0 ]; then
   echo "make html is error"
   exit 1
diff --git a/scripts/filter-doc-log.sh b/scripts/filter-doc-log.sh
index 61f2417..a7cbd90 100755
--- a/scripts/filter-doc-log.sh
+++ b/scripts/filter-doc-log.sh
@@ -9,7 +9,7 @@
 # Only argument is the name of the log file saved by the build.
 
 KI_SCRIPT=scripts/filter-known-issues.py
-CONFIG_DIR=.known-issues/doc
+CONFIG_DIR=.known-issues/
 
 LOG_FILE=$1
 BUILDDIR=$(dirname $LOG_FILE)
@@ -32,7 +32,7 @@ else
 fi
 
 if [ -s "${LOG_FILE}" ]; then
-   $KI_SCRIPT --config-dir ${CONFIG_DIR} ${LOG_FILE} > ${BUILDDIR}/doc.warnings 2>&1
+   python3 $KI_SCRIPT --config-dir ${CONFIG_DIR} ${LOG_FILE} > ${BUILDDIR}/doc.warnings 2>&1
    if [ -s ${BUILDDIR}/doc.warnings ]; then
 	   echo
 	   echo -e "${red}New errors/warnings found, please fix them:"
@@ -41,7 +41,7 @@ if [ -s "${LOG_FILE}" ]; then
 	   echo
 	   cat ${BUILDDIR}/doc.warnings
 	   echo
-	   exit 1
+	   exit 2
    else
 	   echo -e "${green}No new errors/warnings."
 	   $TPUT sgr0
@@ -49,5 +49,5 @@ if [ -s "${LOG_FILE}" ]; then
 
 else
    echo "Error in $0: logfile \"${LOG_FILE}\" not found."
-   exit 1
+   exit 3
 fi
diff --git a/scripts/filter-known-issues.py b/scripts/filter-known-issues.py
index 79f56fd..256aa3b 100755
--- a/scripts/filter-known-issues.py
+++ b/scripts/filter-known-issues.py
@@ -113,12 +113,21 @@ def config_import(paths):
     _paths = []
     # Go over the list, flush it if the user gave an empty path ("")
     for path in paths:
+        if not os.path.exists(path):
+            logging.debug("{} not exist".format(path))
+            continue
+
         if path == "" or path is None:
             logging.debug("flushing current config list: %s", _paths)
             _paths = []
         else:
             _paths.append(path)
     logging.debug("config list: %s", _paths)
+
+    if len(_paths)==0:
+        logging.debug("No available path")
+        assert(False)
+
     for path in _paths:
         config_import_path(path)
 
@@ -146,8 +155,7 @@ def config_import(paths):
 logging.basicConfig(level=40 - 10 * (args.verbosity - args.quiet),
                     format="%(levelname)s: %(message)s")
 
-path = ".known-issues/"
-logging.debug("Reading configuration from directory `%s`", path)
+logging.debug("Reading configuration from directory `%s`", args.config_dir)
 config_import(args.config_dir)
 
 exclude_ranges = []