diff --git a/tests/docker/.env b/tests/docker/.env
index c7a6ddc19b7d7b9772dea70491602822c5f905ed..c98a7c9bf4768ebdee90d2ff4dcef2bcc4434f30 100644
--- a/tests/docker/.env
+++ b/tests/docker/.env
@@ -1,5 +1,4 @@
 SERVICE_IP=127.0.0.1
 SERVICE_PORT=19530
 IMAGE_REPO=milvusdb
-IMAGE_TAG=20210331-546c8df
-PRE_EXIST_NETWORK=bridge
\ No newline at end of file
+IMAGE_TAG=20210331-546c8df
\ No newline at end of file
diff --git a/tests/docker/docker-compose.yml b/tests/docker/docker-compose.yml
index 0f2a0a88f5fbf6f69b6a2eee101663a9575110de..3f7c427688a9f5bd2530522aa89b5dd7819f7a43 100644
--- a/tests/docker/docker-compose.yml
+++ b/tests/docker/docker-compose.yml
@@ -18,5 +18,5 @@ services:
 
 networks:
   default:
-    external:
-      name: ${PRE_EXIST_NETWORK}
+    external: ${PRE_EXIST_NETWORK:-false}
+    name: ${PYTEST_NETWORK:-pytest}
diff --git a/tests/scripts/e2e.sh b/tests/scripts/e2e.sh
index e7ff7b929048f7a2d1141bef83b82fa79f4c4610..3e4a93d41927d908dd1c874ff31c9bfdcc13ac33 100755
--- a/tests/scripts/e2e.sh
+++ b/tests/scripts/e2e.sh
@@ -54,7 +54,8 @@ fi
 pushd "${ROOT}/tests/docker"
   docker-compose pull --ignore-pull-failures pytest
   if [[ "${TEST_ENV:-}" =~ ^kind*  ]]; then
-    export PRE_EXIST_NETWORK="kind"
+    export PRE_EXIST_NETWORK="true"
+    export PYTEST_NETWORK="kind"
   fi
 
   export SERVICE_IP="${SERVICE_IP:-127.0.0.1}"