Fix docs parser (#1714)

### What problem does this PR solve?

#1711 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

docker/docker-compose.yml

@@ -1,8 +1,7 @@
 include:
   - path: ./docker-compose-base.yml
     env_file: ./.env
-  - path: ./docker-compose-admin-tool.yml
+
-    env_file: ./.env
 services:
   ragflow:
     depends_on:

docker/service_conf.yaml

@@ -17,10 +17,6 @@ es:
   hosts: 'http://es01:9200'
   username: 'elastic'
   password: 'infini_rag_flow'
-kibana:
-  hosts: 'http://${host}:6601'
-  username: 'rag_flow'
-  password: 'infini_rag_flow'
 redis:
   db: 1
   password: 'infini_rag_flow'

rag/nlp/__init__.py

@@ -550,7 +550,7 @@ def concat_img(img1, img2):
 
 def naive_merge_docx(sections, chunk_token_num=128, delimiter="\n。；！？"):
     if not sections:
-        return []
+        return [], []
 
     cks = [""]
     images = [None]