diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index 01bd26774..cc9e9e72a 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -15,16 +15,19 @@ env:
 
 jobs:
   Test-on-k8s-v-1-19-7:
-    runs-on: ubuntu-latest
+    runs-on: self-hosted
     timeout-minutes: 150
     steps:
     - uses: actions/checkout@v2
 
+    - name: Clean up
+      run: kind delete cluster --name chart-testing && docker image prune -f
+
     - name: Build image
       run: docker build . --file Dockerfile --tag ks-installer
 
     - name: Create kind cluster
-      uses: helm/kind-action@v1.0.0-rc.1
+      uses: helm/kind-action@v1.1.0
       with:
         config: .github/workflows/kind/kind.yaml
 
@@ -78,32 +81,6 @@ jobs:
         kubectl apply -f deploy/kubesphere-installer.yaml
         kubectl apply -f deploy/cluster-configuration.yaml
         kubectl -n kubesphere-system patch cc ks-installer --type merge --patch '{"spec":{"servicemesh":{"enabled":true}}}'
-        for i in {1..300};do
-          set +e
-          kubectl -n istio-system get deploy | grep istiod
-          if [[ $? -ne 0 ]];then
-            sleep 1
-            echo "wait $i s..."
-            continue
-          fi
-          set -e
-          sleep 2
-          kubectl -n istio-system get deploy istiod-1-6-10 -oyaml | sed '/cpu: /d' | sed '/memory: /d' | sed '/resourceVersion: /d' | kubectl replace -f -
-          break
-        done
-        for i in {1..300};do
-          set +e
-          kubectl -n istio-system get deploy | grep istio-ingressgateway
-          if [[ $? -ne 0 ]];then
-            sleep 1
-            echo "wait $i s..."
-            continue
-          fi
-          set -e
-          sleep 2
-          kubectl -n istio-system get deploy istio-ingressgateway -oyaml | sed '/cpu: /d' | sed '/memory: /d' | sed '/resourceVersion: /d' | kubectl replace -f -
-          break
-        done
         bash scripts/check_cluster_status.sh
 
     - name: slack
diff --git a/scripts/check_cluster_status.sh b/scripts/check_cluster_status.sh
old mode 100644
new mode 100755
index 28bf06e72..1f2fa8019
--- a/scripts/check_cluster_status.sh
+++ b/scripts/check_cluster_status.sh
@@ -9,12 +9,12 @@ function check_installer_ok(){
     kubectl -n kubesphere-system wait --timeout=180s --for=condition=Ready $(kubectl -n kubesphere-system get pod -l app=ks-install -oname)
     echo "waiting for KubeSphere ready"
     while IFS= read -r line; do
-        echo $line
+        echo "$line"
         if [[ $line =~ "Welcome to KubeSphere" ]]
             then
                 return
         fi
-    done < <(timeout 1200 kubectl logs -n kubesphere-system deploy/ks-installer -f)
+    done < <(timeout 1200 kubectl logs -n kubesphere-system deploy/ks-installer -f --tail 1)
     echo "ks-install not output 'Welcome to KubeSphere'"
     exit 1
 }