diff --git a/api/.env.example b/api/.env.example
index ae7e82c779..5003ca24dc 100644
--- a/api/.env.example
+++ b/api/.env.example
@@ -166,6 +166,7 @@ MILVUS_URI=http://127.0.0.1:19530
 MILVUS_TOKEN=
 MILVUS_USER=root
 MILVUS_PASSWORD=Milvus
+MILVUS_DATABASE=default
 MILVUS_ANALYZER_PARAMS=
 
 # MyScale configuration
diff --git a/docker/.env.example b/docker/.env.example
index 9d68527796..d38fdc33a0 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -422,6 +422,7 @@ MILVUS_TOKEN=
 MILVUS_USER=
 MILVUS_PASSWORD=
 MILVUS_ENABLE_HYBRID_SEARCH=False
+MILVUS_DATABASE=default
 MILVUS_ANALYZER_PARAMS=
 
 # MyScale configuration, only available when VECTOR_STORE is `myscale`
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index a13f115cd2..9634710f99 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -140,7 +140,7 @@ x-shared-env: &shared-api-worker-env
   QDRANT_GRPC_PORT: ${QDRANT_GRPC_PORT:-6334}
   QDRANT_REPLICATION_FACTOR: ${QDRANT_REPLICATION_FACTOR:-1}
   MILVUS_URI: ${MILVUS_URI:-http://host.docker.internal:19530}
-  MILVUS_DATABASE: ${MILVUS_DATABASE:-}
+  MILVUS_DATABASE: ${MILVUS_DATABASE:-default}
   MILVUS_TOKEN: ${MILVUS_TOKEN:-}
   MILVUS_USER: ${MILVUS_USER:-}
   MILVUS_PASSWORD: ${MILVUS_PASSWORD:-}