diff --git a/.github/workflows/pod-kill-chaos-test.yaml b/.github/workflows/pod-kill-chaos-test.yaml
index 4c73094f8dfa1f7fff5c1478b93d71590f161482..a4d5e7833620eab83fd77e5f5b6e4f27d9a181df 100644
--- a/.github/workflows/pod-kill-chaos-test.yaml
+++ b/.github/workflows/pod-kill-chaos-test.yaml
@@ -107,6 +107,7 @@ jobs:
         shell: bash
         working-directory: tests/python_client/chaos
         run: |
+          kubectl config set-context --current --namespace=chaos-testing
           bash scripts/uninstall_milvus.sh
           helm install --wait --timeout 360s milvus-chaos milvus/milvus -f cluster-values.yaml  -n=chaos-testing
           kubectl get pods -n chaos-testing
diff --git a/tests/python_client/chaos/chaos_test.sh b/tests/python_client/chaos/chaos_test.sh
index 3df68d468f7bcb1aec35a2751c5ed5b3f8c6c78c..997cb27a2582c17e6748556a9c5aeef79fef544b 100644
--- a/tests/python_client/chaos/chaos_test.sh
+++ b/tests/python_client/chaos/chaos_test.sh
@@ -14,6 +14,10 @@ echo "platform: $platform"
 
 # define chaos testing object
 release=${1:-"milvus-chaos"}
+ns=${2:-"chaos-testing"}
+
+# switch namespace
+kubectl config set-context --current --namespace=${ns}
 pod="proxy"
 chaos_type="pod_failure"
 release="milvus-chaos"
@@ -22,9 +26,9 @@ ns="chaos-testing"
 # install milvus cluster for chaos testing
 pushd ./scripts
 echo "uninstall milvus if exist"
-bash uninstall_milvus.sh ${release}|| true
+bash uninstall_milvus.sh ${release} ${ns}|| true
 echo "install milvus"
-bash install_milvus.sh ${release}
+bash install_milvus.sh ${release} ${ns}
 
 # if chaos_type is pod_failure, update replicas
 if [ "$chaos_type" == "pod_failure" ];
diff --git a/tests/python_client/chaos/scripts/install_milvus.sh b/tests/python_client/chaos/scripts/install_milvus.sh
index bed4bae83fa4fb9e77b205df28ec754a9b6805f0..584ff3e8994e337b17a66b9673574eb01dfc8c85 100644
--- a/tests/python_client/chaos/scripts/install_milvus.sh
+++ b/tests/python_client/chaos/scripts/install_milvus.sh
@@ -1,8 +1,8 @@
 
 release=${1:-"milvs-chaos"}
-
-bash uninstall_milvus.sh ${release} || true
+ns=${2:-"chaos-testing"}
+bash uninstall_milvus.sh ${release} ${ns}|| true
 
 helm repo add milvus https://milvus-io.github.io/milvus-helm/
 helm repo update
-helm install --wait --timeout 360s ${release} milvus/milvus --set service.type=NodePort -f ../cluster-values.yaml  -n=chaos-testing
+helm install --wait --timeout 360s ${release} milvus/milvus --set service.type=NodePort -f ../cluster-values.yaml  -n=${ns}
diff --git a/tests/python_client/chaos/scripts/uninstall_milvus.sh b/tests/python_client/chaos/scripts/uninstall_milvus.sh
index 22daa8995d493075799a8913a7d20505fc2aac29..82e65c518fd1940e46a5be2d6c7ad5fed235a29e 100644
--- a/tests/python_client/chaos/scripts/uninstall_milvus.sh
+++ b/tests/python_client/chaos/scripts/uninstall_milvus.sh
@@ -1,6 +1,7 @@
 
 set -e
 release=${1:-"milvus-chaos"}
-helm uninstall ${release}
-kubectl delete pvc -l release=${release}
-kubectl delete pvc -l app.kubernetes.io/instance=${release}
+ns=${2:-"chaos-testing"}
+helm uninstall ${release} -n=${ns}
+kubectl delete pvc -l release=${release} -n=${ns}
+kubectl delete pvc -l app.kubernetes.io/instance=${release} -n=${ns}