diff --git a/docker/.env.example b/docker/.env.example
index f85a3d94ee..80508fbf72 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -937,7 +937,7 @@ TOP_K_MAX_VALUE=10
 # Plugin Daemon Configuration
 # ------------------------------
 
-DB_PLUGIN_DATABASE=dify-plugin
+DB_PLUGIN_DATABASE=dify_plugin
 EXPOSE_PLUGIN_DAEMON_PORT=5002
 PLUGIN_DAEMON_PORT=5002
 PLUGIN_DAEMON_KEY=lYkiYYT6owG+71oLerGzA7GXCgOT++6ovaezWAjpCjf+Sjc3ZtU+qUEi
diff --git a/docker/middleware.env.example b/docker/middleware.env.example
index 31ccc8ed68..357a60fe13 100644
--- a/docker/middleware.env.example
+++ b/docker/middleware.env.example
@@ -92,7 +92,7 @@ EXPOSE_WEAVIATE_PORT=8080
 # Plugin Daemon Configuration
 # ------------------------------
 
-DB_PLUGIN_DATABASE=dify-plugin
+DB_PLUGIN_DATABASE=dify_plugin
 EXPOSE_PLUGIN_DAEMON_PORT=5002
 PLUGIN_DAEMON_PORT=5002
 PLUGIN_DAEMON_KEY=lYkiYYT6owG+71oLerGzA7GXCgOT++6ovaezWAjpCjf+Sjc3ZtU+qUEi