diff --git a/README.md b/README.md
index 577e7f7..1d4bb8f 100644
--- a/README.md
+++ b/README.md
@@ -209,7 +209,7 @@ embedding_model_dict = {
                        }
 ```
 
-如果你选择使用OpenAI的Embedding模型，请将模型的 ``key``写入 `embedding_model_dict`中。使用该模型，你需要鞥能够访问OpenAI官的API，或设置代理。
+如果你选择使用OpenAI的Embedding模型，请将模型的 ``key``写入 `embedding_model_dict`中。使用该模型，你需要能够访问OpenAI官的API，或设置代理。
 
 ### 4. 知识库初始化与迁移
 
diff --git a/requirements.txt b/requirements.txt
index 4271f3a..385747b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 langchain==0.0.266
 openai
+zhipuai
 sentence_transformers
 fschat==0.2.24
 transformers>=4.31.0
@@ -9,7 +10,7 @@ nltk~=3.8.1
 uvicorn~=0.23.1
 starlette~=0.27.0
 pydantic~=1.10.11
-unstructured[all-docs]
+unstructured[all-docs]>=0.10.4
 python-magic-bin; sys_platform == 'win32'
 SQLAlchemy==2.0.19
 faiss-cpu
diff --git a/server/knowledge_base/migrate.py b/server/knowledge_base/migrate.py
index 129dd53..c11c00d 100644
--- a/server/knowledge_base/migrate.py
+++ b/server/knowledge_base/migrate.py
@@ -75,7 +75,7 @@ def folder2db(
         files = list_files_from_folder(kb_name)
         kb_files = file_to_kbfile(kb_name, files)
 
-        for kb_file in kb_file:
+        for kb_file in kb_files:
             add_file_to_db(kb_file)
             print(f"已将 {kb_name}/{kb_file.filename} 添加到数据库")
     elif mode == "update_in_db":