diff --git a/api/.env.example b/api/.env.example
index 26b8283a7b..91dbfc4f6c 100644
--- a/api/.env.example
+++ b/api/.env.example
@@ -76,7 +76,7 @@ TENCENT_COS_SCHEME=your-scheme
 WEB_API_CORS_ALLOW_ORIGINS=http://127.0.0.1:3000,*
 CONSOLE_CORS_ALLOW_ORIGINS=http://127.0.0.1:3000,*
 
-# Vector database configuration, support: weaviate, qdrant, milvus, relyt, pgvecto_rs, pgvector
+# Vector database configuration, support: weaviate, qdrant, milvus, relyt, pgvecto_rs, pgvector, pgvector, chroma, opensearch, tidb_vector
 VECTOR_STORE=weaviate
 
 # Weaviate configuration
@@ -144,6 +144,13 @@ CHROMA_DATABASE=default_database
 CHROMA_AUTH_PROVIDER=chromadb.auth.token_authn.TokenAuthenticationServerProvider
 CHROMA_AUTH_CREDENTIALS=difyai123456
 
+# OpenSearch configuration
+OPENSEARCH_HOST=127.0.0.1
+OPENSEARCH_PORT=9200
+OPENSEARCH_USER=admin
+OPENSEARCH_PASSWORD=admin
+OPENSEARCH_SECURE=true
+
 # Upload configuration
 UPLOAD_FILE_SIZE_LIMIT=15
 UPLOAD_FILE_BATCH_LIMIT=5
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 0e0f997c97..f157a17a53 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -109,7 +109,7 @@ services:
       TENCENT_COS_SECRET_ID: 'your-secret-id'
       TENCENT_COS_REGION: 'your-region'
       TENCENT_COS_SCHEME: 'your-scheme'
-      # The type of vector store to use. Supported values are `weaviate`, `qdrant`, `milvus`, `relyt`.
+      # The type of vector store to use. Supported values are `weaviate`, `qdrant`, `milvus`, `relyt`,`pgvector`, `chroma`, 'opensearch', 'tidb_vector'.
       VECTOR_STORE: weaviate
       # The Weaviate endpoint URL. Only available when VECTOR_STORE is `weaviate`.
       WEAVIATE_ENDPOINT: http://weaviate:8080
@@ -284,7 +284,7 @@ services:
       TENCENT_COS_SECRET_ID: 'your-secret-id'
       TENCENT_COS_REGION: 'your-region'
       TENCENT_COS_SCHEME: 'your-scheme'
-      # The type of vector store to use. Supported values are `weaviate`, `qdrant`, `milvus`, `relyt`, `pgvector`.
+      # The type of vector store to use. Supported values are `weaviate`, `qdrant`, `milvus`, `relyt`, `pgvector`, `chroma`, 'opensearch', 'tidb_vector'.
       VECTOR_STORE: weaviate
       # The Weaviate endpoint URL. Only available when VECTOR_STORE is `weaviate`.
       WEAVIATE_ENDPOINT: http://weaviate:8080