diff --git a/.env b/.env
index c8356ab782..6a94eb9289 100644
--- a/.env
+++ b/.env
@@ -1,4 +1,4 @@
 REPO=milvusdb/milvus-distributed-dev
 ARCH=amd64
 UBUNTU=18.04
-DATE_VERSION=20201102-104943
+DATE_VERSION=20201113-042812
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index a3b190f0a7..80be652925 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -10,6 +10,7 @@ on:
       - 'internal/**'
       - 'cmd/**'
       - '.github/workflows/main.yaml'
+      - '.env'
       - docker-compose.yml
       - Makefile
       - '!**.md'
@@ -20,6 +21,7 @@ on:
       - 'internal/**'
       - 'cmd/**'
       - '.github/workflows/main.yaml'
+      - '.env'
       - docker-compose.yml
       - Makefile
       - '!**.md'
diff --git a/build/builder.sh b/build/builder.sh
index de234ba5fe..109a3719c9 100755
--- a/build/builder.sh
+++ b/build/builder.sh
@@ -36,7 +36,6 @@ mkdir -p "${DOCKER_VOLUME_DIRECTORY:-.docker}/amd64-ubuntu18.04-cache"
 chmod -R 777 "${DOCKER_VOLUME_DIRECTORY:-.docker}"
 
 docker-compose pull --ignore-pull-failures ubuntu
-docker-compose build ubuntu
 docker-compose run --rm -u "$uid:$gid" ubuntu "$@"
 
 popd
diff --git a/internal/master/meta_table_test.go b/internal/master/meta_table_test.go
index 6c5572e1a9..6e8d5c88cb 100644
--- a/internal/master/meta_table_test.go
+++ b/internal/master/meta_table_test.go
@@ -2,7 +2,6 @@ package master
 
 import (
 	"context"
-	"reflect"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -106,10 +105,7 @@ func TestMetaTable_Collection(t *testing.T) {
 
 	collsName, err := meta.ListCollections()
 	assert.Nil(t, err)
-	assert.Equal(t, len(collsName), 2)
-	e1 := reflect.DeepEqual(collsName, []string{"coll1", "coll2"})
-	e2 := reflect.DeepEqual(collsName, []string{"coll2", "coll1"})
-	assert.True(t, e1 || e2)
+	assert.Equal(t, collsName, []string{"coll1", "coll2"})
 
 	hasCollection := meta.HasCollection(colMeta.ID)
 	assert.True(t, hasCollection)