diff --git a/api/apps/file_app.py b/api/apps/file_app.py
index 8b5383a66..e262b3d7b 100644
--- a/api/apps/file_app.py
+++ b/api/apps/file_app.py
@@ -125,8 +125,8 @@ async def upload():
 @validate_request("name")
 async def create():
     req = await request.json
-    pf_id = await request.json.get("parent_id")
-    input_file_type = await request.json.get("type")
+    pf_id = req.get("parent_id")
+    input_file_type = req.get("type")
     if not pf_id:
         root_folder = FileService.get_root_folder(current_user.id)
         pf_id = root_folder["id"]
diff --git a/api/db/init_data.py b/api/db/init_data.py
index 4a9ad067a..d4873d332 100644
--- a/api/db/init_data.py
+++ b/api/db/init_data.py
@@ -34,14 +34,17 @@ from common.file_utils import get_project_base_directory
 from common import settings
 from api.common.base64 import encode_to_base64
 
+DEFAULT_SUPERUSER_NICKNAME = os.getenv("DEFAULT_SUPERUSER_NICKNAME", "admin")
+DEFAULT_SUPERUSER_EMAIL = os.getenv("DEFAULT_SUPERUSER_EMAIL", "admin@ragflow.io")
+DEFAULT_SUPERUSER_PASSWORD = os.getenv("DEFAULT_SUPERUSER_PASSWORD", "admin")
 
-def init_superuser():
+def init_superuser(nickname=DEFAULT_SUPERUSER_NICKNAME, email=DEFAULT_SUPERUSER_EMAIL, password=DEFAULT_SUPERUSER_PASSWORD, role=UserTenantRole.OWNER):
     user_info = {
         "id": uuid.uuid1().hex,
-        "password": encode_to_base64("admin"),
-        "nickname": "admin",
+        "password": encode_to_base64(password),
+        "nickname": nickname,
         "is_superuser": True,
-        "email": "admin@ragflow.io",
+        "email": email,
         "creator": "system",
         "status": "1",
     }
@@ -58,7 +61,7 @@ def init_superuser():
         "tenant_id": user_info["id"],
         "user_id": user_info["id"],
         "invited_by": user_info["id"],
-        "role": UserTenantRole.OWNER
+        "role": role
     }
 
     tenant_llm = get_init_tenant_llm(user_info["id"])
@@ -70,7 +73,7 @@ def init_superuser():
     UserTenantService.insert(**usr_tenant)
     TenantLLMService.insert_many(tenant_llm)
     logging.info(
-        "Super user initialized. email: admin@ragflow.io, password: admin. Changing the password after login is strongly recommended.")
+        f"Super user initialized. email: {email}, password: {password}. Changing the password after login is strongly recommended.")
 
     chat_mdl = LLMBundle(tenant["id"], LLMType.CHAT, tenant["llm_id"])
     msg = chat_mdl.chat(system="", history=[
diff --git a/api/ragflow_server.py b/api/ragflow_server.py
index 852372d0b..a2d9d6a6e 100644
--- a/api/ragflow_server.py
+++ b/api/ragflow_server.py
@@ -37,7 +37,7 @@ from api.db.services.document_service import DocumentService
 from common.file_utils import get_project_base_directory
 from common import settings
 from api.db.db_models import init_database_tables as init_web_db
-from api.db.init_data import init_web_data
+from api.db.init_data import init_web_data, init_superuser
 from common.versions import get_ragflow_version
 from common.config_utils import show_configs
 from common.mcp_tool_call_conn import shutdown_all_mcp_sessions
@@ -109,11 +109,16 @@ if __name__ == '__main__':
     parser.add_argument(
         "--debug", default=False, help="debug mode", action="store_true"
     )
+    parser.add_argument(
+        "--init-superuser", default=False, help="init superuser", action="store_true"
+    )
     args = parser.parse_args()
     if args.version:
         print(get_ragflow_version())
         sys.exit(0)
 
+    if args.init_superuser:
+        init_superuser()
     RuntimeConfig.DEBUG = args.debug
     if RuntimeConfig.DEBUG:
         logging.info("run on debug mode")
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
index cfde08d0c..a5942c5b8 100755
--- a/docker/entrypoint.sh
+++ b/docker/entrypoint.sh
@@ -13,6 +13,7 @@ function usage() {
     echo "  --disable-datasync              Disables synchronization of datasource workers."
     echo "  --enable-mcpserver              Enables the MCP server."
     echo "  --enable-adminserver            Enables the Admin server."
+    echo "  --init-superuser                Initializes the superuser."
     echo "  --consumer-no-beg=<num>         Start range for consumers (if using range-based)."
     echo "  --consumer-no-end=<num>         End range for consumers (if using range-based)."
     echo "  --workers=<num>                 Number of task executors to run (if range is not used)."
@@ -24,6 +25,7 @@ function usage() {
     echo "  $0 --disable-webserver --workers=2 --host-id=myhost123"
     echo "  $0 --enable-mcpserver"
     echo "  $0 --enable-adminserver"
+    echo "  $0 --init-superuser"
     exit 1
 }
 
@@ -32,6 +34,7 @@ ENABLE_TASKEXECUTOR=1  # Default to enable task executor
 ENABLE_DATASYNC=1
 ENABLE_MCP_SERVER=0
 ENABLE_ADMIN_SERVER=0 # Default close admin server
+INIT_SUPERUSER_ARGS="" # Default to not initialize superuser
 CONSUMER_NO_BEG=0
 CONSUMER_NO_END=0
 WORKERS=1
@@ -83,6 +86,10 @@ for arg in "$@"; do
       ENABLE_ADMIN_SERVER=1
       shift
       ;;
+    --init-superuser)
+      INIT_SUPERUSER_ARGS="--init-superuser"
+      shift
+      ;;
     --mcp-host=*)
       MCP_HOST="${arg#*=}"
       shift
@@ -240,7 +247,7 @@ if [[ "${ENABLE_WEBSERVER}" -eq 1 ]]; then
 
     echo "Starting ragflow_server..."
     while true; do
-        "$PY" api/ragflow_server.py &
+        "$PY" api/ragflow_server.py ${INIT_SUPERUSER_ARGS} &
         wait;
         sleep 1;
     done &
diff --git a/docs/references/http_api_reference.md b/docs/references/http_api_reference.md
index 253745432..3c73cf58c 100644
--- a/docs/references/http_api_reference.md
+++ b/docs/references/http_api_reference.md
@@ -2122,9 +2122,9 @@ curl --request POST \
 - `"top_k"`: (*Body parameter*), `integer`  
   The number of chunks engaged in vector cosine computation. Defaults to `1024`.
 - `"use_kg"`: (*Body parameter*), `boolean`  
-  The search includes text chunks related to the knowledge graph of the selected dataset to handle complex multi-hop queries. Defaults to `False`.
+  Whether to search chunks related to the generated knowledge graph for multi-hop queries. Defaults to `False`. Before enabling this, ensure you have successfully constructed a knowledge graph for the specified datasets. See [here](https://ragflow.io/docs/dev/construct_knowledge_graph) for details.
 - `"toc_enhance"`: (*Body parameter*), `boolean`  
-  The search includes table of content enhancement in order to boost rank of relevant chunks. Files parsed with `TOC Enhance` enabled is prerequisite. Defaults to `False`.
+  Whether to search chunks with extracted table of content. Defaults to `False`. Before enabling this, ensure you have enabled `TOC_Enhance` and successfully extracted table of contents for the specified datasets. See [here](https://ragflow.io/docs/dev/enable_table_of_contents) for details.
 - `"rerank_id"`: (*Body parameter*), `integer`  
   The ID of the rerank model.
 - `"keyword"`: (*Body parameter*), `boolean`  
@@ -2140,8 +2140,8 @@ curl --request POST \
 - `"metadata_condition"`: (*Body parameter*), `object`  
   The metadata condition used for filtering chunks:  
   - `"logic"`: (*Body parameter*), `string`
-    - `"and"` Intersection of the result from each condition (default).
-    - `"or"` union of the result from each condition.
+    - `"and"`: Return only results that satisfy *every* condition (default).
+    - `"or"`: Return results that satisfy *any* condition.
   - `"conditions"`: (*Body parameter*), `array`  
     A list of metadata filter conditions.  
     - `"name"`: `string` - The metadata field name to filter by, e.g., `"author"`, `"company"`, `"url"`. Ensure this parameter before use. See [Set metadata](../guides/dataset/set_metadata.md) for details.