diff --git a/.github/workflows/ci-pull-request.yaml b/.github/workflows/ci-pull-request.yaml
index e6e3109502..5bc0d5d061 100644
--- a/.github/workflows/ci-pull-request.yaml
+++ b/.github/workflows/ci-pull-request.yaml
@@ -14,10 +14,6 @@ on:
       - master
       - 'v[0-9]+.*' # release branch
       - ci-test # testing branch for github action
-    paths:
-      - 'rdsn/**'
-      - 'src/**'
-      - '.github/workflows/ci-pull-request.yaml'
   # for manually triggering workflow
   workflow_dispatch:
 
@@ -50,13 +46,11 @@ jobs:
       image: ghcr.io/pegasus-kv/thirdparties-bin:ubuntu1804
     defaults:
       run:
-        working-directory: /root/incubator-pegasus
         shell: bash
     steps:
-      - name: Clone Apache Pegasus Source
-        working-directory: /root
-        run: |
-          git clone --recursive --depth=1 https://github.com/apache/incubator-pegasus.git
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
       - name: Unpack prebuilt third-parties
         run: unzip /root/thirdparties-bin.zip -d ./rdsn/thirdparty
       - name: Compilation
diff --git a/rdsn b/rdsn
index c057d35c93..e2bf7c740b 160000
--- a/rdsn
+++ b/rdsn
@@ -1 +1 @@
-Subproject commit c057d35c93ff9d895d5eefef343b6c7afd74812d
+Subproject commit e2bf7c740b93cc4a59769b6dc888609f36871b67
diff --git a/scripts/pack_server.sh b/scripts/pack_server.sh
index ff97858949..e6126c24d8 100755
--- a/scripts/pack_server.sh
+++ b/scripts/pack_server.sh
@@ -160,9 +160,9 @@ DISTRIB_ID=$(cat /etc/*-release | grep DISTRIB_ID | awk -F'=' '{print $2}')
 DISTRIB_RELEASE=$(cat /etc/*-release | grep DISTRIB_RELEASE | awk -F'=' '{print $2}')
 if [ -n "$DISTRIB_ID" ] && [ -n "$DISTRIB_RELEASE" ]; then
     if [ "$DISTRIB_ID" == "Ubuntu" ] && [ "$DISTRIB_RELEASE" == "18.04" ]; then
-        pack_system_lib icui18n
-        pack_system_lib icuuc
-        pack_system_lib icudata
+        pack_server_lib icui18n
+        pack_server_lib icuuc
+        pack_server_lib icudata
     fi
     # more cases can be added here.
 fi
diff --git a/src/server/config.min.ini b/src/server/config.min.ini
index 5b9a7b191d..d7bd9085aa 100644
--- a/src/server/config.min.ini
+++ b/src/server/config.min.ini
@@ -131,7 +131,7 @@
   # Options:
   #   - falcon
   #   - prometheus
-  perf_counter_sink = prometheus
+  perf_counter_sink =
   # The HTTP port exposed to Prometheus for pulling metrics from pegasus server.
   prometheus_port = @PROMETHEUS_PORT@