diff --git a/api/.env.example b/api/.env.example
index 1f691048549e06..05cb5f5fcf9f34 100644
--- a/api/.env.example
+++ b/api/.env.example
@@ -33,16 +33,15 @@ REDIS_DB=0
 # Database configuration
 DB_PASSWORD=difyai123456
 DB_DATABASE=dify
+DB_HOST=localhost
 
 # For MySQL Database
 # SQLALCHEMY_DATABASE_URI_SCHEME=mysql+pymysql
 # DB_USERNAME=root
-# DB_HOST=mysql-db
 # DB_PORT=3306
 
 # For PostgresQL (By default)
 DB_USERNAME=postgres
-DB_HOST=db
 DB_PORT=5432
 
 # Storage configuration